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diff --git a/src/imgui/examples/README.txt b/src/imgui/examples/README.txt new file mode 100644 index 0000000..6db2f3c --- /dev/null +++ b/src/imgui/examples/README.txt @@ -0,0 +1,9 @@ +See BACKENDS and EXAMPLES files in the docs/ folder, or on the web at: https://github.com/ocornut/imgui/tree/master/docs + +Backends = Helper code to facilitate integration with platforms/graphics api (used by Examples + should be used by your app). +Examples = Standalone applications showcasing integration with platforms/graphics api. + +Some Examples have extra README files in their respective directory, please check them too! + +Once Dear ImGui is running (in either examples or your own application/game/engine), +run and refer to ImGui::ShowDemoWindow() in imgui_demo.cpp for the end-user API. diff --git a/src/imgui/examples/example_allegro5/README.md b/src/imgui/examples/example_allegro5/README.md new file mode 100644 index 0000000..4af31f6 --- /dev/null +++ b/src/imgui/examples/example_allegro5/README.md @@ -0,0 +1,36 @@ + +# Configuration + +Dear ImGui outputs 16-bit vertex indices by default. +Allegro doesn't support them natively, so we have two solutions: convert the indices manually in imgui_impl_allegro5.cpp, or compile dear imgui with 32-bit indices. +You can either modify imconfig.h that comes with Dear ImGui (easier), or set a C++ preprocessor option IMGUI_USER_CONFIG to find to a filename. +We are providing `imconfig_allegro5.h` that enables 32-bit indices. +Note that the backend supports _BOTH_ 16-bit and 32-bit indices, but 32-bit indices will be slightly faster as they won't require a manual conversion. + +# How to Build + +### On Ubuntu 14.04+ and macOS + +```bash +g++ -DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" -I .. -I ../.. -I ../../backends main.cpp ../../backends/imgui_impl_allegro5.cpp ../../imgui*.cpp -lallegro -lallegro_main -lallegro_primitives -o allegro5_example +``` + +On macOS, install Allegro with homebrew: `brew install allegro`. + +### On Windows with Visual Studio's CLI + +You may install Allegro using vcpkg: +``` +git clone https://github.com/Microsoft/vcpkg +cd vcpkg +bootstrap-vcpkg.bat +vcpkg install allegro5 --triplet=x86-windows ; for win32 +vcpkg install allegro5 --triplet=x64-windows ; for win64 +vcpkg integrate install ; register include / libs in Visual Studio +``` + +Build: +``` +set ALLEGRODIR=path_to_your_allegro5_folder +cl /Zi /MD /utf-8 /I %ALLEGRODIR%\include /DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" /I .. /I ..\.. /I ..\..\backends main.cpp ..\..\backends\imgui_impl_allegro5.cpp ..\..\imgui*.cpp /link /LIBPATH:%ALLEGRODIR%\lib allegro-5.0.10-monolith-md.lib user32.lib +``` diff --git a/src/imgui/examples/example_allegro5/example_allegro5.vcxproj b/src/imgui/examples/example_allegro5/example_allegro5.vcxproj new file mode 100644 index 0000000..02f6a47 --- /dev/null +++ b/src/imgui/examples/example_allegro5/example_allegro5.vcxproj @@ -0,0 +1,185 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration Include="Debug|Win32"> + <Configuration>Debug</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Debug|x64"> + <Configuration>Debug</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|Win32"> + <Configuration>Release</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|x64"> + <Configuration>Release</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + </ItemGroup> + <PropertyGroup Label="Globals"> + <ProjectGuid>{73F235B5-7D31-4FC6-8682-DDC5A097B9C1}</ProjectGuid> + <RootNamespace>example_allegro5</RootNamespace> + <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>true</UseDebugLibraries> + <CharacterSet>MultiByte</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>true</UseDebugLibraries> + <CharacterSet>MultiByte</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>MultiByte</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>MultiByte</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" /> + <ImportGroup Label="ExtensionSettings"> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <PropertyGroup Label="UserMacros" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + <IncludePath>$(IncludePath)</IncludePath> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + <IncludePath>$(IncludePath)</IncludePath> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + <IncludePath>$(IncludePath)</IncludePath> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + <IncludePath>$(IncludePath)</IncludePath> + </PropertyGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>Disabled</Optimization> + <AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + <IgnoreSpecificDefaultLibraries>msvcrt.lib</IgnoreSpecificDefaultLibraries> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>Disabled</Optimization> + <AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + <IgnoreSpecificDefaultLibraries>msvcrt.lib</IgnoreSpecificDefaultLibraries> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <BufferSecurityCheck>false</BufferSecurityCheck> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + <IgnoreSpecificDefaultLibraries> + </IgnoreSpecificDefaultLibraries> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <BufferSecurityCheck>false</BufferSecurityCheck> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + <IgnoreSpecificDefaultLibraries> + </IgnoreSpecificDefaultLibraries> + </Link> + </ItemDefinitionGroup> + <ItemGroup> + <ClCompile Include="..\..\imgui.cpp" /> + <ClCompile Include="..\..\imgui_demo.cpp" /> + <ClCompile Include="..\..\imgui_draw.cpp" /> + <ClCompile Include="..\..\imgui_tables.cpp" /> + <ClCompile Include="..\..\imgui_widgets.cpp" /> + <ClCompile Include="..\..\backends\imgui_impl_allegro5.cpp" /> + <ClCompile Include="imconfig_allegro5.h" /> + <ClCompile Include="main.cpp" /> + </ItemGroup> + <ItemGroup> + <ClInclude Include="..\..\imconfig.h" /> + <ClInclude Include="..\..\imgui.h" /> + <ClInclude Include="..\..\imgui_internal.h" /> + <ClInclude Include="..\..\backends\imgui_impl_allegro5.h" /> + </ItemGroup> + <ItemGroup> + <None Include="..\..\misc\debuggers\imgui.natstepfilter" /> + <None Include="..\..\misc\debuggers\imgui.natvis" /> + <None Include="..\README.txt" /> + </ItemGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> + <ImportGroup Label="ExtensionTargets"> + </ImportGroup> +</Project>
\ No newline at end of file diff --git a/src/imgui/examples/example_allegro5/example_allegro5.vcxproj.filters b/src/imgui/examples/example_allegro5/example_allegro5.vcxproj.filters new file mode 100644 index 0000000..84881d3 --- /dev/null +++ b/src/imgui/examples/example_allegro5/example_allegro5.vcxproj.filters @@ -0,0 +1,61 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup> + <Filter Include="imgui"> + <UniqueIdentifier>{20b90ce4-7fcb-4731-b9a0-075f875de82d}</UniqueIdentifier> + </Filter> + <Filter Include="sources"> + <UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier> + <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> + </Filter> + </ItemGroup> + <ItemGroup> + <ClCompile Include="..\..\imgui.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_demo.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_draw.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="main.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\..\backends\imgui_impl_allegro5.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="imconfig_allegro5.h"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_tables.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_widgets.cpp"> + <Filter>imgui</Filter> + </ClCompile> + </ItemGroup> + <ItemGroup> + <ClInclude Include="..\..\imconfig.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\imgui.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\imgui_internal.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\backends\imgui_impl_allegro5.h"> + <Filter>sources</Filter> + </ClInclude> + </ItemGroup> + <ItemGroup> + <None Include="..\README.txt" /> + <None Include="..\..\misc\debuggers\imgui.natvis"> + <Filter>imgui</Filter> + </None> + <None Include="..\..\misc\debuggers\imgui.natstepfilter"> + <Filter>imgui</Filter> + </None> + </ItemGroup> +</Project>
\ No newline at end of file diff --git a/src/imgui/examples/example_allegro5/imconfig_allegro5.h b/src/imgui/examples/example_allegro5/imconfig_allegro5.h new file mode 100644 index 0000000..35afa67 --- /dev/null +++ b/src/imgui/examples/example_allegro5/imconfig_allegro5.h @@ -0,0 +1,11 @@ +//----------------------------------------------------------------------------- +// COMPILE-TIME OPTIONS FOR DEAR IMGUI ALLEGRO 5 EXAMPLE +// See imconfig.h for the full template +// Because Allegro doesn't support 16-bit vertex indices, we enable the compile-time option of imgui to use 32-bit indices +//----------------------------------------------------------------------------- + +#pragma once + +// Use 32-bit vertex indices because Allegro doesn't support 16-bit ones +// This allows us to avoid converting vertices format at runtime +#define ImDrawIdx int diff --git a/src/imgui/examples/example_allegro5/main.cpp b/src/imgui/examples/example_allegro5/main.cpp new file mode 100644 index 0000000..3ca061c --- /dev/null +++ b/src/imgui/examples/example_allegro5/main.cpp @@ -0,0 +1,149 @@ +// Dear ImGui: standalone example application for Allegro 5 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// On Windows, you can install Allegro5 using vcpkg: +// git clone https://github.com/Microsoft/vcpkg +// cd vcpkg +// bootstrap - vcpkg.bat +// vcpkg install allegro5 --triplet=x86-windows ; for win32 +// vcpkg install allegro5 --triplet=x64-windows ; for win64 +// vcpkg integrate install ; register include and libs in Visual Studio + +#include <stdint.h> +#include <allegro5/allegro.h> +#include <allegro5/allegro_primitives.h> +#include "imgui.h" +#include "imgui_impl_allegro5.h" + +int main(int, char**) +{ + // Setup Allegro + al_init(); + al_install_keyboard(); + al_install_mouse(); + al_init_primitives_addon(); + al_set_new_display_flags(ALLEGRO_RESIZABLE); + ALLEGRO_DISPLAY* display = al_create_display(1280, 720); + al_set_window_title(display, "Dear ImGui Allegro 5 example"); + ALLEGRO_EVENT_QUEUE* queue = al_create_event_queue(); + al_register_event_source(queue, al_get_display_event_source(display)); + al_register_event_source(queue, al_get_keyboard_event_source()); + al_register_event_source(queue, al_get_mouse_event_source()); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplAllegro5_Init(display); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool running = true; + while (running) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + ALLEGRO_EVENT ev; + while (al_get_next_event(queue, &ev)) + { + ImGui_ImplAllegro5_ProcessEvent(&ev); + if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) + running = false; + if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) + { + ImGui_ImplAllegro5_InvalidateDeviceObjects(); + al_acknowledge_resize(display); + ImGui_ImplAllegro5_CreateDeviceObjects(); + } + } + + // Start the Dear ImGui frame + ImGui_ImplAllegro5_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + al_clear_to_color(al_map_rgba_f(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w)); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); + al_flip_display(); + } + + // Cleanup + ImGui_ImplAllegro5_Shutdown(); + ImGui::DestroyContext(); + al_destroy_event_queue(queue); + al_destroy_display(display); + + return 0; +} diff --git a/src/imgui/examples/example_android_opengl3/CMakeLists.txt b/src/imgui/examples/example_android_opengl3/CMakeLists.txt new file mode 100644 index 0000000..63531f4 --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.6) + +project(ImGuiExample) + +set(CMAKE_CXX_STANDARD 11) +set(CMAKE_CXX_STANDARD_REQUIRED ON) +set(CMAKE_CXX_EXTENSIONS OFF) + +add_library(${CMAKE_PROJECT_NAME} SHARED + ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui_demo.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui_draw.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui_tables.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui_widgets.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../backends/imgui_impl_android.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/../../backends/imgui_impl_opengl3.cpp + ${ANDROID_NDK}/sources/android/native_app_glue/android_native_app_glue.c +) + +set(CMAKE_SHARED_LINKER_FLAGS + "${CMAKE_SHARED_LINKER_FLAGS} -u ANativeActivity_onCreate" +) + +target_compile_definitions(${CMAKE_PROJECT_NAME} PRIVATE + IMGUI_IMPL_OPENGL_ES3 +) + +target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE + ${CMAKE_CURRENT_SOURCE_DIR}/../.. + ${CMAKE_CURRENT_SOURCE_DIR}/../../backends + ${ANDROID_NDK}/sources/android/native_app_glue +) + +target_link_libraries(${CMAKE_PROJECT_NAME} PRIVATE + android + EGL + GLESv3 + log +) diff --git a/src/imgui/examples/example_android_opengl3/android/.gitignore b/src/imgui/examples/example_android_opengl3/android/.gitignore new file mode 100644 index 0000000..3c7a619 --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/android/.gitignore @@ -0,0 +1,12 @@ +.cxx +.externalNativeBuild +build/ +*.iml + +.idea +.gradle +local.properties + +# Android Studio puts a Gradle wrapper here, that we don't want: +gradle/ +gradlew* diff --git a/src/imgui/examples/example_android_opengl3/android/app/build.gradle b/src/imgui/examples/example_android_opengl3/android/app/build.gradle new file mode 100644 index 0000000..53181ba --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/android/app/build.gradle @@ -0,0 +1,46 @@ +apply plugin: 'com.android.application' +apply plugin: 'kotlin-android' + +android { + compileSdkVersion 33 + buildToolsVersion "33.0.2" + ndkVersion "25.2.9519653" + + defaultConfig { + applicationId "imgui.example.android" + namespace "imgui.example.android" + minSdkVersion 24 + targetSdkVersion 33 + versionCode 1 + versionName "1.0" + } + + buildTypes { + release { + minifyEnabled false + proguardFiles getDefaultProguardFile('proguard-android-optimize.txt') + } + } + + compileOptions { + sourceCompatibility JavaVersion.VERSION_11 + targetCompatibility JavaVersion.VERSION_11 + } + + kotlinOptions { + jvmTarget="11" + } + + externalNativeBuild { + cmake { + path "../../CMakeLists.txt" + version '3.22.1' + } + } +} +repositories { + mavenCentral() +} +dependencies { + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" +} diff --git a/src/imgui/examples/example_android_opengl3/android/app/src/main/AndroidManifest.xml b/src/imgui/examples/example_android_opengl3/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..a87b95b --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,24 @@ +<?xml version="1.0" encoding="utf-8"?> +<manifest xmlns:android="http://schemas.android.com/apk/res/android"> + + <application + android:label="ImGuiExample" + android:allowBackup="false" + android:fullBackupContent="false" + android:hasCode="true"> + + <activity + android:name="imgui.example.android.MainActivity" + android:theme="@android:style/Theme.NoTitleBar.Fullscreen" + android:configChanges="orientation|keyboardHidden|screenSize" + android:exported="false"> + <meta-data android:name="android.app.lib_name" + android:value="ImGuiExample" /> + + <intent-filter> + <action android:name="android.intent.action.MAIN" /> + <category android:name="android.intent.category.LAUNCHER" /> + </intent-filter> + </activity> + </application> +</manifest> diff --git a/src/imgui/examples/example_android_opengl3/android/app/src/main/java/MainActivity.kt b/src/imgui/examples/example_android_opengl3/android/app/src/main/java/MainActivity.kt new file mode 100644 index 0000000..896a88c --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/android/app/src/main/java/MainActivity.kt @@ -0,0 +1,40 @@ +package imgui.example.android + +import android.app.NativeActivity +import android.os.Bundle +import android.content.Context +import android.view.inputmethod.InputMethodManager +import android.view.KeyEvent +import java.util.concurrent.LinkedBlockingQueue + +class MainActivity : NativeActivity() { + public override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + } + + fun showSoftInput() { + val inputMethodManager = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager + inputMethodManager.showSoftInput(this.window.decorView, 0) + } + + fun hideSoftInput() { + val inputMethodManager = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager + inputMethodManager.hideSoftInputFromWindow(this.window.decorView.windowToken, 0) + } + + // Queue for the Unicode characters to be polled from native code (via pollUnicodeChar()) + private var unicodeCharacterQueue: LinkedBlockingQueue<Int> = LinkedBlockingQueue() + + // We assume dispatchKeyEvent() of the NativeActivity is actually called for every + // KeyEvent and not consumed by any View before it reaches here + override fun dispatchKeyEvent(event: KeyEvent): Boolean { + if (event.action == KeyEvent.ACTION_DOWN) { + unicodeCharacterQueue.offer(event.getUnicodeChar(event.metaState)) + } + return super.dispatchKeyEvent(event) + } + + fun pollUnicodeChar(): Int { + return unicodeCharacterQueue.poll() ?: 0 + } +} diff --git a/src/imgui/examples/example_android_opengl3/android/build.gradle b/src/imgui/examples/example_android_opengl3/android/build.gradle new file mode 100644 index 0000000..ccd2185 --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/android/build.gradle @@ -0,0 +1,24 @@ +buildscript { + ext.kotlin_version = '1.8.0' + repositories { + google() + mavenCentral() + + } + dependencies { + classpath 'com.android.tools.build:gradle:7.4.1' + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + + } +} + +allprojects { + repositories { + google() + mavenCentral() + } +} + +task clean(type: Delete) { + delete rootProject.buildDir +} diff --git a/src/imgui/examples/example_android_opengl3/android/settings.gradle b/src/imgui/examples/example_android_opengl3/android/settings.gradle new file mode 100644 index 0000000..e7b4def --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/android/settings.gradle @@ -0,0 +1 @@ +include ':app' diff --git a/src/imgui/examples/example_android_opengl3/main.cpp b/src/imgui/examples/example_android_opengl3/main.cpp new file mode 100644 index 0000000..2316ce6 --- /dev/null +++ b/src/imgui/examples/example_android_opengl3/main.cpp @@ -0,0 +1,383 @@ +// dear imgui: standalone example application for Android + OpenGL ES 3 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_android.h" +#include "imgui_impl_opengl3.h" +#include <android/log.h> +#include <android_native_app_glue.h> +#include <android/asset_manager.h> +#include <EGL/egl.h> +#include <GLES3/gl3.h> +#include <string> + +// Data +static EGLDisplay g_EglDisplay = EGL_NO_DISPLAY; +static EGLSurface g_EglSurface = EGL_NO_SURFACE; +static EGLContext g_EglContext = EGL_NO_CONTEXT; +static struct android_app* g_App = nullptr; +static bool g_Initialized = false; +static char g_LogTag[] = "ImGuiExample"; +static std::string g_IniFilename = ""; + +// Forward declarations of helper functions +static void Init(struct android_app* app); +static void Shutdown(); +static void MainLoopStep(); +static int ShowSoftKeyboardInput(); +static int PollUnicodeChars(); +static int GetAssetData(const char* filename, void** out_data); + +// Main code +static void handleAppCmd(struct android_app* app, int32_t appCmd) +{ + switch (appCmd) + { + case APP_CMD_SAVE_STATE: + break; + case APP_CMD_INIT_WINDOW: + Init(app); + break; + case APP_CMD_TERM_WINDOW: + Shutdown(); + break; + case APP_CMD_GAINED_FOCUS: + case APP_CMD_LOST_FOCUS: + break; + } +} + +static int32_t handleInputEvent(struct android_app* app, AInputEvent* inputEvent) +{ + return ImGui_ImplAndroid_HandleInputEvent(inputEvent); +} + +void android_main(struct android_app* app) +{ + app->onAppCmd = handleAppCmd; + app->onInputEvent = handleInputEvent; + + while (true) + { + int out_events; + struct android_poll_source* out_data; + + // Poll all events. If the app is not visible, this loop blocks until g_Initialized == true. + while (ALooper_pollAll(g_Initialized ? 0 : -1, nullptr, &out_events, (void**)&out_data) >= 0) + { + // Process one event + if (out_data != nullptr) + out_data->process(app, out_data); + + // Exit the app by returning from within the infinite loop + if (app->destroyRequested != 0) + { + // shutdown() should have been called already while processing the + // app command APP_CMD_TERM_WINDOW. But we play save here + if (!g_Initialized) + Shutdown(); + + return; + } + } + + // Initiate a new frame + MainLoopStep(); + } +} + +void Init(struct android_app* app) +{ + if (g_Initialized) + return; + + g_App = app; + ANativeWindow_acquire(g_App->window); + + // Initialize EGL + // This is mostly boilerplate code for EGL... + { + g_EglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); + if (g_EglDisplay == EGL_NO_DISPLAY) + __android_log_print(ANDROID_LOG_ERROR, g_LogTag, "%s", "eglGetDisplay(EGL_DEFAULT_DISPLAY) returned EGL_NO_DISPLAY"); + + if (eglInitialize(g_EglDisplay, 0, 0) != EGL_TRUE) + __android_log_print(ANDROID_LOG_ERROR, g_LogTag, "%s", "eglInitialize() returned with an error"); + + const EGLint egl_attributes[] = { EGL_BLUE_SIZE, 8, EGL_GREEN_SIZE, 8, EGL_RED_SIZE, 8, EGL_DEPTH_SIZE, 24, EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_NONE }; + EGLint num_configs = 0; + if (eglChooseConfig(g_EglDisplay, egl_attributes, nullptr, 0, &num_configs) != EGL_TRUE) + __android_log_print(ANDROID_LOG_ERROR, g_LogTag, "%s", "eglChooseConfig() returned with an error"); + if (num_configs == 0) + __android_log_print(ANDROID_LOG_ERROR, g_LogTag, "%s", "eglChooseConfig() returned 0 matching config"); + + // Get the first matching config + EGLConfig egl_config; + eglChooseConfig(g_EglDisplay, egl_attributes, &egl_config, 1, &num_configs); + EGLint egl_format; + eglGetConfigAttrib(g_EglDisplay, egl_config, EGL_NATIVE_VISUAL_ID, &egl_format); + ANativeWindow_setBuffersGeometry(g_App->window, 0, 0, egl_format); + + const EGLint egl_context_attributes[] = { EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE }; + g_EglContext = eglCreateContext(g_EglDisplay, egl_config, EGL_NO_CONTEXT, egl_context_attributes); + + if (g_EglContext == EGL_NO_CONTEXT) + __android_log_print(ANDROID_LOG_ERROR, g_LogTag, "%s", "eglCreateContext() returned EGL_NO_CONTEXT"); + + g_EglSurface = eglCreateWindowSurface(g_EglDisplay, egl_config, g_App->window, nullptr); + eglMakeCurrent(g_EglDisplay, g_EglSurface, g_EglSurface, g_EglContext); + } + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); + + // Redirect loading/saving of .ini file to our location. + // Make sure 'g_IniFilename' persists while we use Dear ImGui. + g_IniFilename = std::string(app->activity->internalDataPath) + "/imgui.ini"; + io.IniFilename = g_IniFilename.c_str();; + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplAndroid_Init(g_App->window); + ImGui_ImplOpenGL3_Init("#version 300 es"); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Android: The TTF files have to be placed into the assets/ directory (android/app/src/main/assets), we use our GetAssetData() helper to retrieve them. + + // We load the default font with increased size to improve readability on many devices with "high" DPI. + // FIXME: Put some effort into DPI awareness. + // Important: when calling AddFontFromMemoryTTF(), ownership of font_data is transfered by Dear ImGui by default (deleted is handled by Dear ImGui), unless we set FontDataOwnedByAtlas=false in ImFontConfig + ImFontConfig font_cfg; + font_cfg.SizePixels = 22.0f; + io.Fonts->AddFontDefault(&font_cfg); + //void* font_data; + //int font_data_size; + //ImFont* font; + //font_data_size = GetAssetData("segoeui.ttf", &font_data); + //font = io.Fonts->AddFontFromMemoryTTF(font_data, font_data_size, 16.0f); + //IM_ASSERT(font != nullptr); + //font_data_size = GetAssetData("DroidSans.ttf", &font_data); + //font = io.Fonts->AddFontFromMemoryTTF(font_data, font_data_size, 16.0f); + //IM_ASSERT(font != nullptr); + //font_data_size = GetAssetData("Roboto-Medium.ttf", &font_data); + //font = io.Fonts->AddFontFromMemoryTTF(font_data, font_data_size, 16.0f); + //IM_ASSERT(font != nullptr); + //font_data_size = GetAssetData("Cousine-Regular.ttf", &font_data); + //font = io.Fonts->AddFontFromMemoryTTF(font_data, font_data_size, 15.0f); + //IM_ASSERT(font != nullptr); + //font_data_size = GetAssetData("ArialUni.ttf", &font_data); + //font = io.Fonts->AddFontFromMemoryTTF(font_data, font_data_size, 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Arbitrary scale-up + // FIXME: Put some effort into DPI awareness + ImGui::GetStyle().ScaleAllSizes(3.0f); + + g_Initialized = true; +} + +void MainLoopStep() +{ + ImGuiIO& io = ImGui::GetIO(); + if (g_EglDisplay == EGL_NO_DISPLAY) + return; + + // Our state + // (we use static, which essentially makes the variable globals, as a convenience to keep the example code easy to follow) + static bool show_demo_window = true; + static bool show_another_window = false; + static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Poll Unicode characters via JNI + // FIXME: do not call this every frame because of JNI overhead + PollUnicodeChars(); + + // Open on-screen (soft) input if requested by Dear ImGui + static bool WantTextInputLast = false; + if (io.WantTextInput && !WantTextInputLast) + ShowSoftKeyboardInput(); + WantTextInputLast = io.WantTextInput; + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplAndroid_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + eglSwapBuffers(g_EglDisplay, g_EglSurface); +} + +void Shutdown() +{ + if (!g_Initialized) + return; + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplAndroid_Shutdown(); + ImGui::DestroyContext(); + + if (g_EglDisplay != EGL_NO_DISPLAY) + { + eglMakeCurrent(g_EglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + + if (g_EglContext != EGL_NO_CONTEXT) + eglDestroyContext(g_EglDisplay, g_EglContext); + + if (g_EglSurface != EGL_NO_SURFACE) + eglDestroySurface(g_EglDisplay, g_EglSurface); + + eglTerminate(g_EglDisplay); + } + + g_EglDisplay = EGL_NO_DISPLAY; + g_EglContext = EGL_NO_CONTEXT; + g_EglSurface = EGL_NO_SURFACE; + ANativeWindow_release(g_App->window); + + g_Initialized = false; +} + +// Helper functions + +// Unfortunately, there is no way to show the on-screen input from native code. +// Therefore, we call ShowSoftKeyboardInput() of the main activity implemented in MainActivity.kt via JNI. +static int ShowSoftKeyboardInput() +{ + JavaVM* java_vm = g_App->activity->vm; + JNIEnv* java_env = nullptr; + + jint jni_return = java_vm->GetEnv((void**)&java_env, JNI_VERSION_1_6); + if (jni_return == JNI_ERR) + return -1; + + jni_return = java_vm->AttachCurrentThread(&java_env, nullptr); + if (jni_return != JNI_OK) + return -2; + + jclass native_activity_clazz = java_env->GetObjectClass(g_App->activity->clazz); + if (native_activity_clazz == nullptr) + return -3; + + jmethodID method_id = java_env->GetMethodID(native_activity_clazz, "showSoftInput", "()V"); + if (method_id == nullptr) + return -4; + + java_env->CallVoidMethod(g_App->activity->clazz, method_id); + + jni_return = java_vm->DetachCurrentThread(); + if (jni_return != JNI_OK) + return -5; + + return 0; +} + +// Unfortunately, the native KeyEvent implementation has no getUnicodeChar() function. +// Therefore, we implement the processing of KeyEvents in MainActivity.kt and poll +// the resulting Unicode characters here via JNI and send them to Dear ImGui. +static int PollUnicodeChars() +{ + JavaVM* java_vm = g_App->activity->vm; + JNIEnv* java_env = nullptr; + + jint jni_return = java_vm->GetEnv((void**)&java_env, JNI_VERSION_1_6); + if (jni_return == JNI_ERR) + return -1; + + jni_return = java_vm->AttachCurrentThread(&java_env, nullptr); + if (jni_return != JNI_OK) + return -2; + + jclass native_activity_clazz = java_env->GetObjectClass(g_App->activity->clazz); + if (native_activity_clazz == nullptr) + return -3; + + jmethodID method_id = java_env->GetMethodID(native_activity_clazz, "pollUnicodeChar", "()I"); + if (method_id == nullptr) + return -4; + + // Send the actual characters to Dear ImGui + ImGuiIO& io = ImGui::GetIO(); + jint unicode_character; + while ((unicode_character = java_env->CallIntMethod(g_App->activity->clazz, method_id)) != 0) + io.AddInputCharacter(unicode_character); + + jni_return = java_vm->DetachCurrentThread(); + if (jni_return != JNI_OK) + return -5; + + return 0; +} + +// Helper to retrieve data placed into the assets/ directory (android/app/src/main/assets) +static int GetAssetData(const char* filename, void** outData) +{ + int num_bytes = 0; + AAsset* asset_descriptor = AAssetManager_open(g_App->activity->assetManager, filename, AASSET_MODE_BUFFER); + if (asset_descriptor) + { + num_bytes = AAsset_getLength(asset_descriptor); + *outData = IM_ALLOC(num_bytes); + int64_t num_bytes_read = AAsset_read(asset_descriptor, *outData, num_bytes); + AAsset_close(asset_descriptor); + IM_ASSERT(num_bytes_read == num_bytes); + } + return num_bytes; +} diff --git a/src/imgui/examples/example_apple_metal/README.md b/src/imgui/examples/example_apple_metal/README.md new file mode 100644 index 0000000..48a2b57 --- /dev/null +++ b/src/imgui/examples/example_apple_metal/README.md @@ -0,0 +1,10 @@ +# iOS / OSX Metal example + +## Introduction + +This example shows how to integrate Dear ImGui with Metal. It is based on the "cross-platform" game template provided with Xcode as of Xcode 9. + +Consider basing your work off the example_glfw_metal/ or example_sdl2_metal/ examples. They are better supported and will be portable unlike this one. + + + diff --git a/src/imgui/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj b/src/imgui/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj new file mode 100644 index 0000000..4bb4fc2 --- /dev/null +++ b/src/imgui/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj @@ -0,0 +1,503 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; + classes = { + }; + objectVersion = 48; + objects = { + +/* Begin PBXBuildFile section */ + 05318E0F274C397200A8DE2E /* GameController.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 05318E0E274C397200A8DE2E /* GameController.framework */; }; + 07A82ED82139413D0078D120 /* imgui_widgets.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07A82ED72139413C0078D120 /* imgui_widgets.cpp */; }; + 07A82ED92139418F0078D120 /* imgui_widgets.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07A82ED72139413C0078D120 /* 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b/src/imgui/examples/example_apple_metal/iOS/Info-iOS.plist new file mode 100644 index 0000000..93ef078 --- /dev/null +++ b/src/imgui/examples/example_apple_metal/iOS/Info-iOS.plist @@ -0,0 +1,49 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> +<dict> + <key>CFBundleDevelopmentRegion</key> + <string>$(DEVELOPMENT_LANGUAGE)</string> + <key>CFBundleExecutable</key> + <string>$(EXECUTABLE_NAME)</string> + <key>CFBundleIdentifier</key> + <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string> + <key>CFBundleInfoDictionaryVersion</key> + <string>6.0</string> + <key>CFBundleName</key> + <string>imgui</string> + <key>CFBundlePackageType</key> + <string>APPL</string> + <key>CFBundleShortVersionString</key> + <string>1.0</string> + <key>CFBundleVersion</key> + <string>1</string> + <key>LSRequiresIPhoneOS</key> + <true/> + <key>UILaunchStoryboardName</key> + <string>LaunchScreen</string> + <key>UIRequiredDeviceCapabilities</key> + <array> + <string>armv7</string> + <string>metal</string> + </array> + <key>UIRequiresFullScreen</key> + <true/> + <key>UIStatusBarHidden</key> + <true/> + <key>UISupportedInterfaceOrientations</key> + <array> + <string>UIInterfaceOrientationPortrait</string> + <string>UIInterfaceOrientationLandscapeLeft</string> + <string>UIInterfaceOrientationLandscapeRight</string> + <string>UIInterfaceOrientationPortraitUpsideDown</string> + </array> + <key>UISupportedInterfaceOrientations~ipad</key> + <array> + <string>UIInterfaceOrientationPortrait</string> + <string>UIInterfaceOrientationPortraitUpsideDown</string> + <string>UIInterfaceOrientationLandscapeLeft</string> + <string>UIInterfaceOrientationLandscapeRight</string> + </array> +</dict> +</plist> diff --git a/src/imgui/examples/example_apple_metal/iOS/LaunchScreen.storyboard b/src/imgui/examples/example_apple_metal/iOS/LaunchScreen.storyboard new file mode 100644 index 0000000..12c52cf --- /dev/null +++ b/src/imgui/examples/example_apple_metal/iOS/LaunchScreen.storyboard @@ -0,0 +1,27 @@ +<?xml version="1.0" encoding="UTF-8"?> +<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17156" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM"> + <device id="retina6_1" orientation="portrait" appearance="light"/> + <dependencies> + <deployment identifier="iOS"/> + <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17125"/> + <capability name="Safe area layout guides" minToolsVersion="9.0"/> + <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/> + </dependencies> + <scenes> + <!--View Controller--> + <scene sceneID="EHf-IW-A2E"> + <objects> + <viewController id="01J-lp-oVM" sceneMemberID="viewController"> + <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3"> + <rect key="frame" x="0.0" y="0.0" width="414" height="896"/> + <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/> + <viewLayoutGuide key="safeArea" id="Bcu-3y-fUS"/> + <color key="backgroundColor" red="0.27843137254901962" green="0.36078431372549019" blue="0.50196078431372548" alpha="1" colorSpace="custom" customColorSpace="displayP3"/> + </view> + </viewController> + <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/> + </objects> + <point key="canvasLocation" x="53" y="375"/> + </scene> + </scenes> +</document> diff --git a/src/imgui/examples/example_apple_metal/macOS/Info-macOS.plist b/src/imgui/examples/example_apple_metal/macOS/Info-macOS.plist new file mode 100644 index 0000000..6f4a2b2 --- /dev/null +++ b/src/imgui/examples/example_apple_metal/macOS/Info-macOS.plist @@ -0,0 +1,30 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> +<dict> + <key>CFBundleDevelopmentRegion</key> + <string>$(DEVELOPMENT_LANGUAGE)</string> + <key>CFBundleExecutable</key> + <string>$(EXECUTABLE_NAME)</string> + <key>CFBundleIconFile</key> + <string></string> + <key>CFBundleIdentifier</key> + <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string> + <key>CFBundleInfoDictionaryVersion</key> + <string>6.0</string> + <key>CFBundleName</key> + <string>imgui</string> + <key>CFBundlePackageType</key> + <string>APPL</string> + <key>CFBundleShortVersionString</key> + <string>1.0</string> + <key>CFBundleVersion</key> + <string>1</string> + <key>LSMinimumSystemVersion</key> + <string>$(MACOSX_DEPLOYMENT_TARGET)</string> + <key>NSMainStoryboardFile</key> + <string>MainMenu</string> + <key>NSPrincipalClass</key> + <string>NSApplication</string> +</dict> +</plist> diff --git a/src/imgui/examples/example_apple_metal/macOS/MainMenu.storyboard b/src/imgui/examples/example_apple_metal/macOS/MainMenu.storyboard new file mode 100644 index 0000000..38ad432 --- /dev/null +++ b/src/imgui/examples/example_apple_metal/macOS/MainMenu.storyboard @@ -0,0 +1,93 @@ +<?xml version="1.0" encoding="UTF-8"?> +<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="17156" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES"> + <dependencies> + <deployment identifier="macosx"/> + <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17156"/> + </dependencies> + <scenes> + <!--Application--> + <scene sceneID="JPo-4y-FX3"> + <objects> + <application id="hnw-xV-0zn" sceneMemberID="viewController"> + <menu key="mainMenu" title="Main Menu" systemMenu="main" id="AYu-sK-qS6"> + <items> + <menuItem title="ImGui" id="1Xt-HY-uBw"> + <modifierMask key="keyEquivalentModifierMask"/> + <menu key="submenu" title="ImGui" systemMenu="apple" id="uQy-DD-JDr"> + <items> + <menuItem title="Services" id="NMo-om-nkz"> + <modifierMask key="keyEquivalentModifierMask"/> + <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/> + </menuItem> + <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/> + <menuItem title="Hide" keyEquivalent="h" id="Olw-nP-bQN"> + <connections> + <action selector="hide:" target="Ady-hI-5gd" id="PnN-Uc-m68"/> + </connections> + </menuItem> + <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO"> + <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/> + <connections> + <action selector="hideOtherApplications:" target="Ady-hI-5gd" id="VT4-aY-XCT"/> + </connections> + </menuItem> + <menuItem title="Show All" id="Kd2-mp-pUS"> + <modifierMask key="keyEquivalentModifierMask"/> + <connections> + <action selector="unhideAllApplications:" target="Ady-hI-5gd" id="Dhg-Le-xox"/> + </connections> + </menuItem> + <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/> + <menuItem title="Quit" keyEquivalent="q" id="4sb-4s-VLi"> + <connections> + <action selector="terminate:" target="Ady-hI-5gd" id="Te7-pn-YzF"/> + </connections> + </menuItem> + </items> + </menu> + </menuItem> + <menuItem title="View" id="H8h-7b-M4v"> + <modifierMask key="keyEquivalentModifierMask"/> + <menu key="submenu" title="View" id="HyV-fh-RgO"> + <items> + <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa"> + <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/> + <connections> + <action selector="toggleFullScreen:" target="Ady-hI-5gd" id="dU3-MA-1Rq"/> + </connections> + </menuItem> + </items> + </menu> + </menuItem> + <menuItem title="Window" id="aUF-d1-5bR"> + <modifierMask key="keyEquivalentModifierMask"/> + <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo"> + <items> + <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV"> + <connections> + <action selector="performMiniaturize:" target="Ady-hI-5gd" id="VwT-WD-YPe"/> + </connections> + </menuItem> + <menuItem title="Zoom" id="R4o-n2-Eq4"> + <modifierMask key="keyEquivalentModifierMask"/> + <connections> + <action selector="performZoom:" target="Ady-hI-5gd" id="DIl-cC-cCs"/> + </connections> + </menuItem> + </items> + </menu> + </menuItem> + </items> + </menu> + <connections> + <outlet property="delegate" destination="Voe-Tx-rLC" id="PrD-fu-P6m"/> + </connections> + </application> + <customObject id="Voe-Tx-rLC" customClass="AppDelegate"/> + <customObject id="YLy-65-1bz" customClass="NSFontManager"/> + <customObject id="Ady-hI-5gd" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/> + </objects> + <point key="canvasLocation" x="-362" y="-38"/> + </scene> + </scenes> +</document> diff --git a/src/imgui/examples/example_apple_metal/main.mm b/src/imgui/examples/example_apple_metal/main.mm new file mode 100644 index 0000000..109ef61 --- /dev/null +++ b/src/imgui/examples/example_apple_metal/main.mm @@ -0,0 +1,337 @@ +// Dear ImGui: standalone example application for OSX + Metal. + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#import <Foundation/Foundation.h> + +#if TARGET_OS_OSX +#import <Cocoa/Cocoa.h> +#else +#import <UIKit/UIKit.h> +#endif + +#import <Metal/Metal.h> +#import <MetalKit/MetalKit.h> + +#include "imgui.h" +#include "imgui_impl_metal.h" +#if TARGET_OS_OSX +#include "imgui_impl_osx.h" +@interface AppViewController : NSViewController<NSWindowDelegate> +@end +#else +@interface AppViewController : UIViewController +@end +#endif + +@interface AppViewController () <MTKViewDelegate> +@property (nonatomic, readonly) MTKView *mtkView; +@property (nonatomic, strong) id <MTLDevice> device; +@property (nonatomic, strong) id <MTLCommandQueue> commandQueue; +@end + +//----------------------------------------------------------------------------------- +// AppViewController +//----------------------------------------------------------------------------------- + +@implementation AppViewController + +-(instancetype)initWithNibName:(nullable NSString *)nibNameOrNil bundle:(nullable NSBundle *)nibBundleOrNil +{ + self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; + + _device = MTLCreateSystemDefaultDevice(); + _commandQueue = [_device newCommandQueue]; + + if (!self.device) + { + NSLog(@"Metal is not supported"); + abort(); + } + + // Setup Dear ImGui context + // FIXME: This example doesn't have proper cleanup... + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Renderer backend + ImGui_ImplMetal_Init(_device); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + return self; +} + +-(MTKView *)mtkView +{ + return (MTKView *)self.view; +} + +-(void)loadView +{ + self.view = [[MTKView alloc] initWithFrame:CGRectMake(0, 0, 1200, 720)]; +} + +-(void)viewDidLoad +{ + [super viewDidLoad]; + + self.mtkView.device = self.device; + self.mtkView.delegate = self; + +#if TARGET_OS_OSX + ImGui_ImplOSX_Init(self.view); + [NSApp activateIgnoringOtherApps:YES]; +#endif +} + +-(void)drawInMTKView:(MTKView*)view +{ + ImGuiIO& io = ImGui::GetIO(); + io.DisplaySize.x = view.bounds.size.width; + io.DisplaySize.y = view.bounds.size.height; + +#if TARGET_OS_OSX + CGFloat framebufferScale = view.window.screen.backingScaleFactor ?: NSScreen.mainScreen.backingScaleFactor; +#else + CGFloat framebufferScale = view.window.screen.scale ?: UIScreen.mainScreen.scale; +#endif + io.DisplayFramebufferScale = ImVec2(framebufferScale, framebufferScale); + + id<MTLCommandBuffer> commandBuffer = [self.commandQueue commandBuffer]; + + MTLRenderPassDescriptor* renderPassDescriptor = view.currentRenderPassDescriptor; + if (renderPassDescriptor == nil) + { + [commandBuffer commit]; + return; + } + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); +#if TARGET_OS_OSX + ImGui_ImplOSX_NewFrame(view); +#endif + ImGui::NewFrame(); + + // Our state (make them static = more or less global) as a convenience to keep the example terse. + static bool show_demo_window = true; + static bool show_another_window = false; + static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImDrawData* draw_data = ImGui::GetDrawData(); + + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"Dear ImGui rendering"]; + ImGui_ImplMetal_RenderDrawData(draw_data, commandBuffer, renderEncoder); + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + // Present + [commandBuffer presentDrawable:view.currentDrawable]; + [commandBuffer commit]; +} + +-(void)mtkView:(MTKView*)view drawableSizeWillChange:(CGSize)size +{ +} + +//----------------------------------------------------------------------------------- +// Input processing +//----------------------------------------------------------------------------------- + +#if TARGET_OS_OSX + +- (void)viewWillAppear +{ + [super viewWillAppear]; + self.view.window.delegate = self; +} + +- (void)windowWillClose:(NSNotification *)notification +{ + ImGui_ImplMetal_Shutdown(); + ImGui_ImplOSX_Shutdown(); + ImGui::DestroyContext(); +} + +#else + +// This touch mapping is super cheesy/hacky. We treat any touch on the screen +// as if it were a depressed left mouse button, and we don't bother handling +// multitouch correctly at all. This causes the "cursor" to behave very erratically +// when there are multiple active touches. But for demo purposes, single-touch +// interaction actually works surprisingly well. +-(void)updateIOWithTouchEvent:(UIEvent *)event +{ + UITouch *anyTouch = event.allTouches.anyObject; + CGPoint touchLocation = [anyTouch locationInView:self.view]; + ImGuiIO &io = ImGui::GetIO(); + io.AddMouseSourceEvent(ImGuiMouseSource_TouchScreen); + io.AddMousePosEvent(touchLocation.x, touchLocation.y); + + BOOL hasActiveTouch = NO; + for (UITouch *touch in event.allTouches) + { + if (touch.phase != UITouchPhaseEnded && touch.phase != UITouchPhaseCancelled) + { + hasActiveTouch = YES; + break; + } + } + io.AddMouseButtonEvent(0, hasActiveTouch); +} + +-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { [self updateIOWithTouchEvent:event]; } +-(void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { [self updateIOWithTouchEvent:event]; } +-(void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { [self updateIOWithTouchEvent:event]; } +-(void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { [self updateIOWithTouchEvent:event]; } + +#endif + +@end + +//----------------------------------------------------------------------------------- +// AppDelegate +//----------------------------------------------------------------------------------- + +#if TARGET_OS_OSX + +@interface AppDelegate : NSObject <NSApplicationDelegate> +@property (nonatomic, strong) NSWindow *window; +@end + +@implementation AppDelegate + +-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender +{ + return YES; +} + +-(instancetype)init +{ + if (self = [super init]) + { + NSViewController *rootViewController = [[AppViewController alloc] initWithNibName:nil bundle:nil]; + self.window = [[NSWindow alloc] initWithContentRect:NSZeroRect + styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskResizable | NSWindowStyleMaskMiniaturizable + backing:NSBackingStoreBuffered + defer:NO]; + self.window.contentViewController = rootViewController; + [self.window center]; + [self.window makeKeyAndOrderFront:self]; + } + return self; +} + +@end + +#else + +@interface AppDelegate : UIResponder <UIApplicationDelegate> +@property (strong, nonatomic) UIWindow *window; +@end + +@implementation AppDelegate + +-(BOOL)application:(UIApplication *)application + didFinishLaunchingWithOptions:(NSDictionary<UIApplicationLaunchOptionsKey,id> *)launchOptions +{ + UIViewController *rootViewController = [[AppViewController alloc] init]; + self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds]; + self.window.rootViewController = rootViewController; + [self.window makeKeyAndVisible]; + return YES; +} + +@end + +#endif + +//----------------------------------------------------------------------------------- +// Application main() function +//----------------------------------------------------------------------------------- + +#if TARGET_OS_OSX + +int main(int argc, const char * argv[]) +{ + return NSApplicationMain(argc, argv); +} + +#else + +int main(int argc, char * argv[]) +{ + @autoreleasepool + { + return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); + } +} + +#endif diff --git a/src/imgui/examples/example_apple_opengl2/example_apple_opengl2.xcodeproj/project.pbxproj b/src/imgui/examples/example_apple_opengl2/example_apple_opengl2.xcodeproj/project.pbxproj new file mode 100644 index 0000000..a168373 --- /dev/null +++ b/src/imgui/examples/example_apple_opengl2/example_apple_opengl2.xcodeproj/project.pbxproj @@ -0,0 +1,332 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; + classes = { + }; + objectVersion = 48; + objects = { + +/* Begin PBXBuildFile section */ + 05E31B59274EF0700083FCB6 /* GameController.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 05E31B57274EF0360083FCB6 /* GameController.framework */; }; + 07A82EDB213941D00078D120 /* imgui_widgets.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07A82EDA213941D00078D120 /* imgui_widgets.cpp */; }; + 4080A99820B02D340036BA46 /* main.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4080A98A20B02CD90036BA46 /* main.mm */; }; + 4080A9A220B034280036BA46 /* imgui_impl_opengl2.cpp in Sources */ = {isa = PBXBuildFile; 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+} +@end + +@implementation AppView + +-(void)prepareOpenGL +{ + [super prepareOpenGL]; + +#ifndef DEBUG + GLint swapInterval = 1; + [[self openGLContext] setValues:&swapInterval forParameter:NSOpenGLCPSwapInterval]; + if (swapInterval == 0) + NSLog(@"Error: Cannot set swap interval."); +#endif +} + +-(void)initialize +{ + // Setup Dear ImGui context + // FIXME: This example doesn't have proper cleanup... + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplOSX_Init(self); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); +} + +-(void)updateAndDrawDemoView +{ + // Start the Dear ImGui frame + ImGuiIO& io = ImGui::GetIO(); + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplOSX_NewFrame(self); + ImGui::NewFrame(); + + // Our state (make them static = more or less global) as a convenience to keep the example terse. + static bool show_demo_window = true; + static bool show_another_window = false; + static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImDrawData* draw_data = ImGui::GetDrawData(); + + [[self openGLContext] makeCurrentContext]; + GLsizei width = (GLsizei)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x); + GLsizei height = (GLsizei)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y); + glViewport(0, 0, width, height); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + + ImGui_ImplOpenGL2_RenderDrawData(draw_data); + + // Present + [[self openGLContext] flushBuffer]; + + if (!animationTimer) + animationTimer = [NSTimer scheduledTimerWithTimeInterval:0.017 target:self selector:@selector(animationTimerFired:) userInfo:nil repeats:YES]; +} + +-(void)reshape { [super reshape]; [[self openGLContext] update]; [self updateAndDrawDemoView]; } +-(void)drawRect:(NSRect)bounds { [self updateAndDrawDemoView]; } +-(void)animationTimerFired:(NSTimer*)timer { [self setNeedsDisplay:YES]; } +-(void)dealloc { animationTimer = nil; } + +@end + +//----------------------------------------------------------------------------------- +// AppDelegate +//----------------------------------------------------------------------------------- + +@interface AppDelegate : NSObject <NSApplicationDelegate> +@property (nonatomic, readonly) NSWindow* window; +@end + +@implementation AppDelegate +@synthesize window = _window; + +-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication +{ + return YES; +} + +-(NSWindow*)window +{ + if (_window != nil) + return (_window); + + NSRect viewRect = NSMakeRect(100.0, 100.0, 100.0 + 1280.0, 100 + 720.0); + + _window = [[NSWindow alloc] initWithContentRect:viewRect styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskResizable|NSWindowStyleMaskClosable backing:NSBackingStoreBuffered defer:YES]; + [_window setTitle:@"Dear ImGui OSX+OpenGL2 Example"]; + [_window setAcceptsMouseMovedEvents:YES]; + [_window setOpaque:YES]; + [_window makeKeyAndOrderFront:NSApp]; + + return (_window); +} + +-(void)setupMenu +{ + NSMenu* mainMenuBar = [[NSMenu alloc] init]; + NSMenu* appMenu; + NSMenuItem* menuItem; + + appMenu = [[NSMenu alloc] initWithTitle:@"Dear ImGui OSX+OpenGL2 Example"]; + menuItem = [appMenu addItemWithTitle:@"Quit Dear ImGui OSX+OpenGL2 Example" action:@selector(terminate:) keyEquivalent:@"q"]; + [menuItem setKeyEquivalentModifierMask:NSEventModifierFlagCommand]; + + menuItem = [[NSMenuItem alloc] init]; + [menuItem setSubmenu:appMenu]; + + [mainMenuBar addItem:menuItem]; + + appMenu = nil; + [NSApp setMainMenu:mainMenuBar]; +} + +-(void)dealloc +{ + _window = nil; +} + +-(void)applicationDidFinishLaunching:(NSNotification *)aNotification +{ + // Make the application a foreground application (else it won't receive keyboard events) + ProcessSerialNumber psn = {0, kCurrentProcess}; + TransformProcessType(&psn, kProcessTransformToForegroundApplication); + + // Menu + [self setupMenu]; + + NSOpenGLPixelFormatAttribute attrs[] = + { + NSOpenGLPFADoubleBuffer, + NSOpenGLPFADepthSize, 32, + 0 + }; + + NSOpenGLPixelFormat* format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs]; + AppView* view = [[AppView alloc] initWithFrame:self.window.frame pixelFormat:format]; + format = nil; +#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 + if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6) + [view setWantsBestResolutionOpenGLSurface:YES]; +#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 + [self.window setContentView:view]; + + if ([view openGLContext] == nil) + NSLog(@"No OpenGL Context!"); + + [view initialize]; +} + +@end + +//----------------------------------------------------------------------------------- +// Application main() function +//----------------------------------------------------------------------------------- + +int main(int argc, const char* argv[]) +{ + @autoreleasepool + { + NSApp = [NSApplication sharedApplication]; + AppDelegate* delegate = [[AppDelegate alloc] init]; + [[NSApplication sharedApplication] setDelegate:delegate]; + [NSApp run]; + } + return NSApplicationMain(argc, argv); +} diff --git a/src/imgui/examples/example_emscripten_wgpu/Makefile b/src/imgui/examples/example_emscripten_wgpu/Makefile new file mode 100644 index 0000000..5c79f0c --- /dev/null +++ b/src/imgui/examples/example_emscripten_wgpu/Makefile @@ -0,0 +1,88 @@ +# +# Makefile to use with emscripten +# See https://emscripten.org/docs/getting_started/downloads.html +# for installation instructions. +# +# This Makefile assumes you have loaded emscripten's environment. +# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead) +# +# Running `make` will produce three files: +# - web/index.html (current stored in the repository) +# - web/index.js +# - web/index.wasm +# +# All three are needed to run the demo. + +CC = emcc +CXX = em++ +WEB_DIR = web +EXE = $(WEB_DIR)/index.js +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_wgpu.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +CPPFLAGS = +LDFLAGS = +EMS = + +##--------------------------------------------------------------------- +## EMSCRIPTEN OPTIONS +##--------------------------------------------------------------------- + +# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only) +EMS += -s DISABLE_EXCEPTION_CATCHING=1 +LDFLAGS += -s USE_GLFW=3 -s USE_WEBGPU=1 +LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1 + +# Emscripten allows preloading a file or folder to be accessible at runtime. +# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts" +# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html +# (Default value is 0. Set to 1 to enable file-system and include the misc/fonts/ folder as part of the build.) +USE_FILE_SYSTEM ?= 0 +ifeq ($(USE_FILE_SYSTEM), 0) +LDFLAGS += -s NO_FILESYSTEM=1 +CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS +endif +ifeq ($(USE_FILE_SYSTEM), 1) +LDFLAGS += --no-heap-copy --preload-file ../../misc/fonts@/fonts +endif + +##--------------------------------------------------------------------- +## FINAL BUILD FLAGS +##--------------------------------------------------------------------- + +CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +#CPPFLAGS += -g +CPPFLAGS += -Wall -Wformat -Os $(EMS) +#LDFLAGS += --shell-file shell_minimal.html +LDFLAGS += $(EMS) + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(EXE) + +$(WEB_DIR): + mkdir $@ + +serve: all + python3 -m http.server -d $(WEB_DIR) + +$(EXE): $(OBJS) $(WEB_DIR) + $(CXX) -o $@ $(OBJS) $(LDFLAGS) + +clean: + rm -f $(EXE) $(OBJS) $(WEB_DIR)/*.js $(WEB_DIR)/*.wasm $(WEB_DIR)/*.wasm.pre diff --git a/src/imgui/examples/example_emscripten_wgpu/README.md b/src/imgui/examples/example_emscripten_wgpu/README.md new file mode 100644 index 0000000..c4c4dec --- /dev/null +++ b/src/imgui/examples/example_emscripten_wgpu/README.md @@ -0,0 +1,24 @@ +## How to Build + +- You need to install Emscripten from https://emscripten.org/docs/getting_started/downloads.html, and have the environment variables set, as described in https://emscripten.org/docs/getting_started/downloads.html#installation-instructions + +- Depending on your configuration, in Windows you may need to run `emsdk/emsdk_env.bat` in your console to access the Emscripten command-line tools. + +- You may also refer to our [Continuous Integration setup](https://github.com/ocornut/imgui/tree/master/.github/workflows) for Emscripten setup. + +- Then build using `make` while in the `example_emscripten_wgpu/` directory. + +- Requires recent Emscripten as WGPU is still a work-in-progress API. + +## How to Run + +To run on a local machine: +- Make sure your browse supports WGPU and it is enabled. WGPU is still WIP not enabled by default in most browser. +- `make serve` will use Python3 to spawn a local webserver, you can then browse http://localhost:8000 to access your build. +- Otherwise, generally you will need a local webserver: + - Quoting [https://emscripten.org/docs/getting_started](https://emscripten.org/docs/getting_started/Tutorial.html#generating-html):<br> +_"Unfortunately several browsers (including Chrome, Safari, and Internet Explorer) do not support file:// [XHR](https://emscripten.org/docs/site/glossary.html#term-xhr) requests, and can’t load extra files needed by the HTML (like a .wasm file, or packaged file data as mentioned lower down). For these browsers you’ll need to serve the files using a [local webserver](https://emscripten.org/docs/getting_started/FAQ.html#faq-local-webserver) and then open http://localhost:8000/hello.html."_ + - Emscripten SDK has a handy `emrun` command: `emrun web/example_emscripten_opengl3.html --browser firefox` which will spawn a temporary local webserver (in Firefox). See https://emscripten.org/docs/compiling/Running-html-files-with-emrun.html for details. + - You may use Python 3 builtin webserver: `python -m http.server -d web` (this is what `make serve` uses). + - You may use Python 2 builtin webserver: `cd web && python -m SimpleHTTPServer`. + - If you are accessing the files over a network, certain browsers, such as Firefox, will restrict Gamepad API access to secure contexts only (e.g. https only). diff --git a/src/imgui/examples/example_emscripten_wgpu/main.cpp b/src/imgui/examples/example_emscripten_wgpu/main.cpp new file mode 100644 index 0000000..590453c --- /dev/null +++ b/src/imgui/examples/example_emscripten_wgpu/main.cpp @@ -0,0 +1,254 @@ +// Dear ImGui: standalone example application for Emscripten, using GLFW + WebGPU +// (Emscripten is a C++-to-javascript compiler, used to publish executables for the web. See https://emscripten.org/) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_wgpu.h" +#include <stdio.h> +#include <emscripten.h> +#include <emscripten/html5.h> +#include <emscripten/html5_webgpu.h> +#include <GLFW/glfw3.h> +#include <webgpu/webgpu.h> +#include <webgpu/webgpu_cpp.h> + +// Global WebGPU required states +static WGPUDevice wgpu_device = nullptr; +static WGPUSurface wgpu_surface = nullptr; +static WGPUTextureFormat wgpu_preferred_fmt = WGPUTextureFormat_RGBA8Unorm; +static WGPUSwapChain wgpu_swap_chain = nullptr; +static int wgpu_swap_chain_width = 0; +static int wgpu_swap_chain_height = 0; + +// Forward declarations +static void MainLoopStep(void* window); +static bool InitWGPU(); +static void print_glfw_error(int error, const char* description); +static void print_wgpu_error(WGPUErrorType error_type, const char* message, void*); + +// Main code +int main(int, char**) +{ + glfwSetErrorCallback(print_glfw_error); + if (!glfwInit()) + return 1; + + // Make sure GLFW does not initialize any graphics context. + // This needs to be done explicitly later. + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+WebGPU example", nullptr, nullptr); + if (!window) + { + glfwTerminate(); + return 1; + } + + // Initialize the WebGPU environment + if (!InitWGPU()) + { + if (window) + glfwDestroyWindow(window); + glfwTerminate(); + return 1; + } + glfwShowWindow(window); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. + // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. + io.IniFilename = nullptr; + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplGlfw_InitForOther(window, true); + ImGui_ImplGlfw_InstallEmscriptenCanvasResizeCallback("#canvas"); + ImGui_ImplWGPU_Init(wgpu_device, 3, wgpu_preferred_fmt, WGPUTextureFormat_Undefined); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Emscripten allows preloading a file or folder to be accessible at runtime. See Makefile for details. + //io.Fonts->AddFontDefault(); +#ifndef IMGUI_DISABLE_FILE_FUNCTIONS + //io.Fonts->AddFontFromFileTTF("fonts/segoeui.ttf", 18.0f); + io.Fonts->AddFontFromFileTTF("fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("fonts/ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); +#endif + + // This function will directly return and exit the main function. + // Make sure that no required objects get cleaned up. + // This way we can use the browsers 'requestAnimationFrame' to control the rendering. + emscripten_set_main_loop_arg(MainLoopStep, window, 0, false); + + return 0; +} + +static bool InitWGPU() +{ + wgpu_device = emscripten_webgpu_get_device(); + if (!wgpu_device) + return false; + + wgpuDeviceSetUncapturedErrorCallback(wgpu_device, print_wgpu_error, nullptr); + + // Use C++ wrapper due to misbehavior in Emscripten. + // Some offset computation for wgpuInstanceCreateSurface in JavaScript + // seem to be inline with struct alignments in the C++ structure + wgpu::SurfaceDescriptorFromCanvasHTMLSelector html_surface_desc = {}; + html_surface_desc.selector = "#canvas"; + + wgpu::SurfaceDescriptor surface_desc = {}; + surface_desc.nextInChain = &html_surface_desc; + + wgpu::Instance instance = wgpuCreateInstance(nullptr); + wgpu::Surface surface = instance.CreateSurface(&surface_desc); + wgpu::Adapter adapter = {}; + wgpu_preferred_fmt = (WGPUTextureFormat)surface.GetPreferredFormat(adapter); + wgpu_surface = surface.Release(); + + return true; +} + +static void MainLoopStep(void* window) +{ + ImGuiIO& io = ImGui::GetIO(); + + glfwPollEvents(); + + int width, height; + glfwGetFramebufferSize((GLFWwindow*)window, &width, &height); + + // React to changes in screen size + if (width != wgpu_swap_chain_width && height != wgpu_swap_chain_height) + { + ImGui_ImplWGPU_InvalidateDeviceObjects(); + if (wgpu_swap_chain) + wgpuSwapChainRelease(wgpu_swap_chain); + wgpu_swap_chain_width = width; + wgpu_swap_chain_height = height; + WGPUSwapChainDescriptor swap_chain_desc = {}; + swap_chain_desc.usage = WGPUTextureUsage_RenderAttachment; + swap_chain_desc.format = wgpu_preferred_fmt; + swap_chain_desc.width = width; + swap_chain_desc.height = height; + swap_chain_desc.presentMode = WGPUPresentMode_Fifo; + wgpu_swap_chain = wgpuDeviceCreateSwapChain(wgpu_device, wgpu_surface, &swap_chain_desc); + ImGui_ImplWGPU_CreateDeviceObjects(); + } + + // Start the Dear ImGui frame + ImGui_ImplWGPU_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // Our state + // (we use static, which essentially makes the variable globals, as a convenience to keep the example code easy to follow) + static bool show_demo_window = true; + static bool show_another_window = false; + static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + + WGPURenderPassColorAttachment color_attachments = {}; + color_attachments.loadOp = WGPULoadOp_Clear; + color_attachments.storeOp = WGPUStoreOp_Store; + color_attachments.clearValue = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; + color_attachments.view = wgpuSwapChainGetCurrentTextureView(wgpu_swap_chain); + WGPURenderPassDescriptor render_pass_desc = {}; + render_pass_desc.colorAttachmentCount = 1; + render_pass_desc.colorAttachments = &color_attachments; + render_pass_desc.depthStencilAttachment = nullptr; + + WGPUCommandEncoderDescriptor enc_desc = {}; + WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(wgpu_device, &enc_desc); + + WGPURenderPassEncoder pass = wgpuCommandEncoderBeginRenderPass(encoder, &render_pass_desc); + ImGui_ImplWGPU_RenderDrawData(ImGui::GetDrawData(), pass); + wgpuRenderPassEncoderEnd(pass); + + WGPUCommandBufferDescriptor cmd_buffer_desc = {}; + WGPUCommandBuffer cmd_buffer = wgpuCommandEncoderFinish(encoder, &cmd_buffer_desc); + WGPUQueue queue = wgpuDeviceGetQueue(wgpu_device); + wgpuQueueSubmit(queue, 1, &cmd_buffer); +} + +static void print_glfw_error(int error, const char* description) +{ + printf("GLFW Error %d: %s\n", error, description); +} + +static void print_wgpu_error(WGPUErrorType error_type, const char* message, void*) +{ + const char* error_type_lbl = ""; + switch (error_type) + { + case WGPUErrorType_Validation: error_type_lbl = "Validation"; break; + case WGPUErrorType_OutOfMemory: error_type_lbl = "Out of memory"; break; + case WGPUErrorType_Unknown: error_type_lbl = "Unknown"; break; + case WGPUErrorType_DeviceLost: error_type_lbl = "Device lost"; break; + default: error_type_lbl = "Unknown"; + } + printf("%s error: %s\n", error_type_lbl, message); +} diff --git a/src/imgui/examples/example_glfw_metal/Makefile b/src/imgui/examples/example_glfw_metal/Makefile new file mode 100644 index 0000000..82d5ac9 --- /dev/null +++ b/src/imgui/examples/example_glfw_metal/Makefile @@ -0,0 +1,46 @@ +# +# You will need GLFW (http://www.glfw.org): +# brew install glfw +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_glfw_metal +IMGUI_DIR = ../.. +SOURCES = main.mm +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_metal.mm +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) + +LIBS = -framework Metal -framework MetalKit -framework Cocoa -framework IOKit -framework CoreVideo -framework QuartzCore +LIBS += -L/usr/local/lib -L/opt/homebrew/lib +LIBS += -lglfw + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends -I/usr/local/include -I/opt/homebrew/include +CXXFLAGS += -Wall -Wformat +CFLAGS = $(CXXFLAGS) + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:%.mm + $(CXX) $(CXXFLAGS) -ObjC++ -fobjc-weak -fobjc-arc -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.mm + $(CXX) $(CXXFLAGS) -ObjC++ -fobjc-weak -fobjc-arc -c -o $@ $< + +all: $(EXE) + @echo Build complete + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_glfw_metal/main.mm b/src/imgui/examples/example_glfw_metal/main.mm new file mode 100644 index 0000000..e9bc63a --- /dev/null +++ b/src/imgui/examples/example_glfw_metal/main.mm @@ -0,0 +1,177 @@ +// Dear ImGui: standalone example application for GLFW + Metal, using programmable pipeline +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_metal.h" +#include <stdio.h> + +#define GLFW_INCLUDE_NONE +#define GLFW_EXPOSE_NATIVE_COCOA +#include <GLFW/glfw3.h> +#include <GLFW/glfw3native.h> + +#import <Metal/Metal.h> +#import <QuartzCore/QuartzCore.h> + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "Glfw Error %d: %s\n", error, description); +} + +int main(int, char**) +{ + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Setup window + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Create window with graphics context + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Metal example", nullptr, nullptr); + if (window == nullptr) + return 1; + + id <MTLDevice> device = MTLCreateSystemDefaultDevice(); + id <MTLCommandQueue> commandQueue = [device newCommandQueue]; + + // Setup Platform/Renderer backends + ImGui_ImplGlfw_InitForOpenGL(window, true); + ImGui_ImplMetal_Init(device); + + NSWindow *nswin = glfwGetCocoaWindow(window); + CAMetalLayer *layer = [CAMetalLayer layer]; + layer.device = device; + layer.pixelFormat = MTLPixelFormatBGRA8Unorm; + nswin.contentView.layer = layer; + nswin.contentView.wantsLayer = YES; + + MTLRenderPassDescriptor *renderPassDescriptor = [MTLRenderPassDescriptor new]; + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f}; + + // Main loop + while (!glfwWindowShouldClose(window)) + { + @autoreleasepool + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + int width, height; + glfwGetFramebufferSize(window, &width, &height); + layer.drawableSize = CGSizeMake(width, height); + id<CAMetalDrawable> drawable = [layer nextDrawable]; + + id<MTLCommandBuffer> commandBuffer = [commandQueue commandBuffer]; + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0] * clear_color[3], clear_color[1] * clear_color[3], clear_color[2] * clear_color[3], clear_color[3]); + renderPassDescriptor.colorAttachments[0].texture = drawable.texture; + renderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear; + renderPassDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore; + id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"ImGui demo"]; + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData(), commandBuffer, renderEncoder); + + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + [commandBuffer presentDrawable:drawable]; + [commandBuffer commit]; + } + } + + // Cleanup + ImGui_ImplMetal_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/src/imgui/examples/example_glfw_opengl2/Makefile b/src/imgui/examples/example_glfw_opengl2/Makefile new file mode 100644 index 0000000..1f15c15 --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl2/Makefile @@ -0,0 +1,81 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need GLFW (http://www.glfw.org): +# Linux: +# apt-get install libglfw-dev +# Mac OS X: +# brew install glfw +# MSYS2: +# pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_glfw_opengl2 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl2.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += -lGL `pkg-config --static --libs glfw3` + + CXXFLAGS += `pkg-config --cflags glfw3` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo + LIBS += -L/usr/local/lib -L/opt/local/lib -L/opt/homebrew/lib + #LIBS += -lglfw3 + LIBS += -lglfw + + CXXFLAGS += -I/usr/local/include -I/opt/local/include -I/opt/homebrew/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lglfw3 -lgdi32 -lopengl32 -limm32 + + CXXFLAGS += `pkg-config --cflags glfw3` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) + diff --git a/src/imgui/examples/example_glfw_opengl2/build_win32.bat b/src/imgui/examples/example_glfw_opengl2/build_win32.bat new file mode 100644 index 0000000..24c0e08 --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl2/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_glfw_opengl2/main.cpp b/src/imgui/examples/example_glfw_opengl2/main.cpp new file mode 100644 index 0000000..5e47b00 --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl2/main.cpp @@ -0,0 +1,166 @@ +// Dear ImGui: standalone example application for GLFW + OpenGL2, using legacy fixed pipeline +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** +// **Prefer using the code in the example_glfw_opengl2/ folder** +// See imgui_impl_glfw.cpp for details. + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_opengl2.h" +#include <stdio.h> +#ifdef __APPLE__ +#define GL_SILENCE_DEPRECATION +#endif +#include <GLFW/glfw3.h> + +// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers. +// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma. +// Your own project should not be affected, as you are likely to link with a newer binary of GLFW that is adequate for your version of Visual Studio. +#if defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#pragma comment(lib, "legacy_stdio_definitions") +#endif + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "GLFW Error %d: %s\n", error, description); +} + +// Main code +int main(int, char**) +{ + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Create window with graphics context + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL2 example", nullptr, nullptr); + if (window == nullptr) + return 1; + glfwMakeContextCurrent(window); + glfwSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplGlfw_InitForOpenGL(window, true); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + int display_w, display_h; + glfwGetFramebufferSize(window, &display_w, &display_h); + glViewport(0, 0, display_w, display_h); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + + // If you are using this code with non-legacy OpenGL header/contexts (which you should not, prefer using imgui_impl_opengl3.cpp!!), + // you may need to backup/reset/restore other state, e.g. for current shader using the commented lines below. + //GLint last_program; + //glGetIntegerv(GL_CURRENT_PROGRAM, &last_program); + //glUseProgram(0); + ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); + //glUseProgram(last_program); + + glfwMakeContextCurrent(window); + glfwSwapBuffers(window); + } + + // Cleanup + ImGui_ImplOpenGL2_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/src/imgui/examples/example_glfw_opengl3/Makefile b/src/imgui/examples/example_glfw_opengl3/Makefile new file mode 100644 index 0000000..252ce57 --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl3/Makefile @@ -0,0 +1,89 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need GLFW (http://www.glfw.org): +# Linux: +# apt-get install libglfw-dev +# Mac OS X: +# brew install glfw +# MSYS2: +# pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_glfw_opengl3 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +LINUX_GL_LIBS = -lGL + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## OPENGL ES +##--------------------------------------------------------------------- + +## This assumes a GL ES library available in the system, e.g. libGLESv2.so +# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2 +# LINUX_GL_LIBS = -lGLESv2 + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += $(LINUX_GL_LIBS) `pkg-config --static --libs glfw3` + + CXXFLAGS += `pkg-config --cflags glfw3` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo + LIBS += -L/usr/local/lib -L/opt/local/lib -L/opt/homebrew/lib + #LIBS += -lglfw3 + LIBS += -lglfw + + CXXFLAGS += -I/usr/local/include -I/opt/local/include -I/opt/homebrew/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lglfw3 -lgdi32 -lopengl32 -limm32 + + CXXFLAGS += `pkg-config --cflags glfw3` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_glfw_opengl3/Makefile.emscripten b/src/imgui/examples/example_glfw_opengl3/Makefile.emscripten new file mode 100644 index 0000000..bd972ab --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl3/Makefile.emscripten @@ -0,0 +1,91 @@ +# +# Makefile to use with GLFW+emscripten +# See https://emscripten.org/docs/getting_started/downloads.html +# for installation instructions. +# +# This Makefile assumes you have loaded emscripten's environment. +# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead) +# +# Running `make -f Makefile.emscripten` will produce three files: +# - web/index.html +# - web/index.js +# - web/index.wasm +# +# All three are needed to run the demo. + +CC = emcc +CXX = em++ +WEB_DIR = web +EXE = $(WEB_DIR)/index.html +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +CPPFLAGS = +LDFLAGS = +EMS = + +##--------------------------------------------------------------------- +## EMSCRIPTEN OPTIONS +##--------------------------------------------------------------------- + +# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only) +EMS += -s DISABLE_EXCEPTION_CATCHING=1 +LDFLAGS += -s USE_GLFW=3 -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1 + +# Uncomment next line to fix possible rendering bugs with Emscripten version older then 1.39.0 (https://github.com/ocornut/imgui/issues/2877) +#EMS += -s BINARYEN_TRAP_MODE=clamp +#EMS += -s SAFE_HEAP=1 ## Adds overhead + +# Emscripten allows preloading a file or folder to be accessible at runtime. +# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts" +# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html +# (Default value is 0. Set to 1 to enable file-system and include the misc/fonts/ folder as part of the build.) +USE_FILE_SYSTEM ?= 0 +ifeq ($(USE_FILE_SYSTEM), 0) +LDFLAGS += -s NO_FILESYSTEM=1 +CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS +endif +ifeq ($(USE_FILE_SYSTEM), 1) +LDFLAGS += --no-heap-copy --preload-file ../../misc/fonts@/fonts +endif + +##--------------------------------------------------------------------- +## FINAL BUILD FLAGS +##--------------------------------------------------------------------- + +CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +#CPPFLAGS += -g +CPPFLAGS += -Wall -Wformat -Os $(EMS) +LDFLAGS += --shell-file ../libs/emscripten/shell_minimal.html +LDFLAGS += $(EMS) + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(EXE) + +$(WEB_DIR): + mkdir $@ + +serve: all + python3 -m http.server -d $(WEB_DIR) + +$(EXE): $(OBJS) $(WEB_DIR) + $(CXX) -o $@ $(OBJS) $(LDFLAGS) + +clean: + rm -rf $(OBJS) $(WEB_DIR) diff --git a/src/imgui/examples/example_glfw_opengl3/build_win32.bat b/src/imgui/examples/example_glfw_opengl3/build_win32.bat new file mode 100644 index 0000000..b5979ad --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_glfw_opengl3/main.cpp b/src/imgui/examples/example_glfw_opengl3/main.cpp new file mode 100644 index 0000000..4438fa5 --- /dev/null +++ b/src/imgui/examples/example_glfw_opengl3/main.cpp @@ -0,0 +1,197 @@ +// Dear ImGui: standalone example application for GLFW + OpenGL 3, using programmable pipeline +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_opengl3.h" +#include <stdio.h> +#define GL_SILENCE_DEPRECATION +#if defined(IMGUI_IMPL_OPENGL_ES2) +#include <GLES2/gl2.h> +#endif +#include <GLFW/glfw3.h> // Will drag system OpenGL headers + +// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers. +// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma. +// Your own project should not be affected, as you are likely to link with a newer binary of GLFW that is adequate for your version of Visual Studio. +#if defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#pragma comment(lib, "legacy_stdio_definitions") +#endif + +// This example can also compile and run with Emscripten! See 'Makefile.emscripten' for details. +#ifdef __EMSCRIPTEN__ +#include "../libs/emscripten/emscripten_mainloop_stub.h" +#endif + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "GLFW Error %d: %s\n", error, description); +} + +// Main code +int main(int, char**) +{ + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Decide GL+GLSL versions +#if defined(IMGUI_IMPL_OPENGL_ES2) + // GL ES 2.0 + GLSL 100 + const char* glsl_version = "#version 100"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); +#elif defined(__APPLE__) + // GL 3.2 + GLSL 150 + const char* glsl_version = "#version 150"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); + glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // Required on Mac +#else + // GL 3.0 + GLSL 130 + const char* glsl_version = "#version 130"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + //glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only + //glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // 3.0+ only +#endif + + // Create window with graphics context + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL3 example", nullptr, nullptr); + if (window == nullptr) + return 1; + glfwMakeContextCurrent(window); + glfwSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplGlfw_InitForOpenGL(window, true); +#ifdef __EMSCRIPTEN__ + ImGui_ImplGlfw_InstallEmscriptenCanvasResizeCallback("#canvas"); +#endif + ImGui_ImplOpenGL3_Init(glsl_version); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Our Emscripten build process allows embedding fonts to be accessible at runtime from the "fonts/" folder. See Makefile.emscripten for details. + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop +#ifdef __EMSCRIPTEN__ + // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. + // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. + io.IniFilename = nullptr; + EMSCRIPTEN_MAINLOOP_BEGIN +#else + while (!glfwWindowShouldClose(window)) +#endif + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + int display_w, display_h; + glfwGetFramebufferSize(window, &display_w, &display_h); + glViewport(0, 0, display_w, display_h); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + + glfwSwapBuffers(window); + } +#ifdef __EMSCRIPTEN__ + EMSCRIPTEN_MAINLOOP_END; +#endif + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/src/imgui/examples/example_glfw_vulkan/CMakeLists.txt b/src/imgui/examples/example_glfw_vulkan/CMakeLists.txt new file mode 100644 index 0000000..a6e5bf9 --- /dev/null +++ b/src/imgui/examples/example_glfw_vulkan/CMakeLists.txt @@ -0,0 +1,45 @@ +# Example usage: +# mkdir build +# cd build +# cmake -g "Visual Studio 14 2015" .. + +cmake_minimum_required(VERSION 2.8) +project(imgui_example_glfw_vulkan C CXX) + +if(NOT CMAKE_BUILD_TYPE) + set(CMAKE_BUILD_TYPE Debug CACHE STRING "" FORCE) +endif() + +set(CMAKE_CXX_STANDARD 11) +set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DVK_PROTOTYPES") +set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_PROTOTYPES") + +# GLFW +set(GLFW_DIR ../../../glfw) # Set this to point to an up-to-date GLFW repo +option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" OFF) +option(GLFW_BUILD_TESTS "Build the GLFW test programs" OFF) +option(GLFW_BUILD_DOCS "Build the GLFW documentation" OFF) +option(GLFW_INSTALL "Generate installation target" OFF) +option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF) +add_subdirectory(${GLFW_DIR} binary_dir EXCLUDE_FROM_ALL) +include_directories(${GLFW_DIR}/include) + +# Dear ImGui +set(IMGUI_DIR ../../) +include_directories(${IMGUI_DIR} ${IMGUI_DIR}/backends ..) + +# Libraries +find_package(Vulkan REQUIRED) +#find_library(VULKAN_LIBRARY + #NAMES vulkan vulkan-1) +#set(LIBRARIES "glfw;${VULKAN_LIBRARY}") +set(LIBRARIES "glfw;Vulkan::Vulkan") + +# Use vulkan headers from glfw: +include_directories(${GLFW_DIR}/deps) + +file(GLOB sources *.cpp) + +add_executable(example_glfw_vulkan ${sources} ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp ${IMGUI_DIR}/backends/imgui_impl_vulkan.cpp ${IMGUI_DIR}/imgui.cpp ${IMGUI_DIR}/imgui_draw.cpp ${IMGUI_DIR}/imgui_demo.cpp ${IMGUI_DIR}/imgui_tables.cpp ${IMGUI_DIR}/imgui_widgets.cpp) +target_link_libraries(example_glfw_vulkan ${LIBRARIES}) +target_compile_definitions(example_glfw_vulkan PUBLIC -DImTextureID=ImU64) diff --git a/src/imgui/examples/example_glfw_vulkan/build_win32.bat b/src/imgui/examples/example_glfw_vulkan/build_win32.bat new file mode 100644 index 0000000..be92398 --- /dev/null +++ b/src/imgui/examples/example_glfw_vulkan/build_win32.bat @@ -0,0 +1,14 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. + +@set OUT_EXE=example_glfw_vulkan +@set INCLUDES=/I..\.. /I..\..\backends /I..\libs\glfw\include /I %VULKAN_SDK%\include +@set SOURCES=main.cpp ..\..\backends\imgui_impl_vulkan.cpp ..\..\backends\imgui_impl_glfw.cpp ..\..\imgui*.cpp +@set LIBS=/LIBPATH:..\libs\glfw\lib-vc2010-32 /libpath:%VULKAN_SDK%\lib32 glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib + +@set OUT_DIR=Debug +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% + +@set OUT_DIR=Release +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% diff --git a/src/imgui/examples/example_glfw_vulkan/build_win64.bat b/src/imgui/examples/example_glfw_vulkan/build_win64.bat new file mode 100644 index 0000000..c60b027 --- /dev/null +++ b/src/imgui/examples/example_glfw_vulkan/build_win64.bat @@ -0,0 +1,13 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_glfw_vulkan/main.cpp b/src/imgui/examples/example_glfw_vulkan/main.cpp new file mode 100644 index 0000000..e8027c4 --- /dev/null +++ b/src/imgui/examples/example_glfw_vulkan/main.cpp @@ -0,0 +1,561 @@ +// Dear ImGui: standalone example application for Glfw + Vulkan + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering backend in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the backend itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_vulkan.h" +#include <stdio.h> // printf, fprintf +#include <stdlib.h> // abort +#define GLFW_INCLUDE_NONE +#define GLFW_INCLUDE_VULKAN +#include <GLFW/glfw3.h> +#include <vulkan/vulkan.h> +//#include <vulkan/vulkan_beta.h> + +// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers. +// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma. +// Your own project should not be affected, as you are likely to link with a newer binary of GLFW that is adequate for your version of Visual Studio. +#if defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#pragma comment(lib, "legacy_stdio_definitions") +#endif + +//#define IMGUI_UNLIMITED_FRAME_RATE +#ifdef _DEBUG +#define IMGUI_VULKAN_DEBUG_REPORT +#endif + +// Data +static VkAllocationCallbacks* g_Allocator = nullptr; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static ImGui_ImplVulkanH_Window g_MainWindowData; +static int g_MinImageCount = 2; +static bool g_SwapChainRebuild = false; + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "GLFW Error %d: %s\n", error, description); +} +static void check_vk_result(VkResult err) +{ + if (err == 0) + return; + fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err); + if (err < 0) + abort(); +} + +#ifdef IMGUI_VULKAN_DEBUG_REPORT +static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) +{ + (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments + fprintf(stderr, "[vulkan] Debug report from ObjectType: %i\nMessage: %s\n\n", objectType, pMessage); + return VK_FALSE; +} +#endif // IMGUI_VULKAN_DEBUG_REPORT + +static bool IsExtensionAvailable(const ImVector<VkExtensionProperties>& properties, const char* extension) +{ + for (const VkExtensionProperties& p : properties) + if (strcmp(p.extensionName, extension) == 0) + return true; + return false; +} + +static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice() +{ + uint32_t gpu_count; + VkResult err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, nullptr); + check_vk_result(err); + IM_ASSERT(gpu_count > 0); + + ImVector<VkPhysicalDevice> gpus; + gpus.resize(gpu_count); + err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus.Data); + check_vk_result(err); + + // If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers + // most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple + // dedicated GPUs) is out of scope of this sample. + for (VkPhysicalDevice& device : gpus) + { + VkPhysicalDeviceProperties properties; + vkGetPhysicalDeviceProperties(device, &properties); + if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) + return device; + } + + // Use first GPU (Integrated) is a Discrete one is not available. + if (gpu_count > 0) + return gpus[0]; + return VK_NULL_HANDLE; +} + +static void SetupVulkan(ImVector<const char*> instance_extensions) +{ + VkResult err; + + // Create Vulkan Instance + { + VkInstanceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + + // Enumerate available extensions + uint32_t properties_count; + ImVector<VkExtensionProperties> properties; + vkEnumerateInstanceExtensionProperties(nullptr, &properties_count, nullptr); + properties.resize(properties_count); + err = vkEnumerateInstanceExtensionProperties(nullptr, &properties_count, properties.Data); + check_vk_result(err); + + // Enable required extensions + if (IsExtensionAvailable(properties, VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME)) + instance_extensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME); +#ifdef VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME + if (IsExtensionAvailable(properties, VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME)) + { + instance_extensions.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME); + create_info.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR; + } +#endif + + // Enabling validation layers +#ifdef IMGUI_VULKAN_DEBUG_REPORT + const char* layers[] = { "VK_LAYER_KHRONOS_validation" }; + create_info.enabledLayerCount = 1; + create_info.ppEnabledLayerNames = layers; + instance_extensions.push_back("VK_EXT_debug_report"); +#endif + + // Create Vulkan Instance + create_info.enabledExtensionCount = (uint32_t)instance_extensions.Size; + create_info.ppEnabledExtensionNames = instance_extensions.Data; + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + + // Setup the debug report callback +#ifdef IMGUI_VULKAN_DEBUG_REPORT + auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT"); + IM_ASSERT(vkCreateDebugReportCallbackEXT != nullptr); + VkDebugReportCallbackCreateInfoEXT debug_report_ci = {}; + debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT; + debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; + debug_report_ci.pfnCallback = debug_report; + debug_report_ci.pUserData = nullptr; + err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport); + check_vk_result(err); +#endif + } + + // Select Physical Device (GPU) + g_PhysicalDevice = SetupVulkan_SelectPhysicalDevice(); + + // Select graphics queue family + { + uint32_t count; + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, nullptr); + VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count); + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues); + for (uint32_t i = 0; i < count; i++) + if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) + { + g_QueueFamily = i; + break; + } + free(queues); + IM_ASSERT(g_QueueFamily != (uint32_t)-1); + } + + // Create Logical Device (with 1 queue) + { + ImVector<const char*> device_extensions; + device_extensions.push_back("VK_KHR_swapchain"); + + // Enumerate physical device extension + uint32_t properties_count; + ImVector<VkExtensionProperties> properties; + vkEnumerateDeviceExtensionProperties(g_PhysicalDevice, nullptr, &properties_count, nullptr); + properties.resize(properties_count); + vkEnumerateDeviceExtensionProperties(g_PhysicalDevice, nullptr, &properties_count, properties.Data); +#ifdef VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME + if (IsExtensionAvailable(properties, VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME)) + device_extensions.push_back(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME); +#endif + + const float queue_priority[] = { 1.0f }; + VkDeviceQueueCreateInfo queue_info[1] = {}; + queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queue_info[0].queueFamilyIndex = g_QueueFamily; + queue_info[0].queueCount = 1; + queue_info[0].pQueuePriorities = queue_priority; + VkDeviceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; + create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]); + create_info.pQueueCreateInfos = queue_info; + create_info.enabledExtensionCount = (uint32_t)device_extensions.Size; + create_info.ppEnabledExtensionNames = device_extensions.Data; + err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device); + check_vk_result(err); + vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue); + } + + // Create Descriptor Pool + // The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that) + // If you wish to load e.g. additional textures you may need to alter pools sizes. + { + VkDescriptorPoolSize pool_sizes[] = + { + { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 }, + }; + VkDescriptorPoolCreateInfo pool_info = {}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; + pool_info.maxSets = 1; + pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes); + pool_info.pPoolSizes = pool_sizes; + err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool); + check_vk_result(err); + } +} + +// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo. +// Your real engine/app may not use them. +static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height) +{ + wd->Surface = surface; + + // Check for WSI support + VkBool32 res; + vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res); + if (res != VK_TRUE) + { + fprintf(stderr, "Error no WSI support on physical device 0\n"); + exit(-1); + } + + // Select Surface Format + const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM }; + const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; + wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace); + + // Select Present Mode +#ifdef IMGUI_UNLIMITED_FRAME_RATE + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR }; +#else + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR }; +#endif + wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes)); + //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); + + // Create SwapChain, RenderPass, Framebuffer, etc. + IM_ASSERT(g_MinImageCount >= 2); + ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); +} + +static void CleanupVulkan() +{ + vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); + +#ifdef IMGUI_VULKAN_DEBUG_REPORT + // Remove the debug report callback + auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT"); + vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator); +#endif // IMGUI_VULKAN_DEBUG_REPORT + + vkDestroyDevice(g_Device, g_Allocator); + vkDestroyInstance(g_Instance, g_Allocator); +} + +static void CleanupVulkanWindow() +{ + ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator); +} + +static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data) +{ + VkResult err; + + VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore; + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); + if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR) + { + g_SwapChainRebuild = true; + return; + } + check_vk_result(err); + + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; + { + err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking + check_vk_result(err); + + err = vkResetFences(g_Device, 1, &fd->Fence); + check_vk_result(err); + } + { + err = vkResetCommandPool(g_Device, fd->CommandPool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(fd->CommandBuffer, &info); + check_vk_result(err); + } + { + VkRenderPassBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + info.renderPass = wd->RenderPass; + info.framebuffer = fd->Framebuffer; + info.renderArea.extent.width = wd->Width; + info.renderArea.extent.height = wd->Height; + info.clearValueCount = 1; + info.pClearValues = &wd->ClearValue; + vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE); + } + + // Record dear imgui primitives into command buffer + ImGui_ImplVulkan_RenderDrawData(draw_data, fd->CommandBuffer); + + // Submit command buffer + vkCmdEndRenderPass(fd->CommandBuffer); + { + VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + VkSubmitInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &image_acquired_semaphore; + info.pWaitDstStageMask = &wait_stage; + info.commandBufferCount = 1; + info.pCommandBuffers = &fd->CommandBuffer; + info.signalSemaphoreCount = 1; + info.pSignalSemaphores = &render_complete_semaphore; + + err = vkEndCommandBuffer(fd->CommandBuffer); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence); + check_vk_result(err); + } +} + +static void FramePresent(ImGui_ImplVulkanH_Window* wd) +{ + if (g_SwapChainRebuild) + return; + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + VkPresentInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &render_complete_semaphore; + info.swapchainCount = 1; + info.pSwapchains = &wd->Swapchain; + info.pImageIndices = &wd->FrameIndex; + VkResult err = vkQueuePresentKHR(g_Queue, &info); + if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR) + { + g_SwapChainRebuild = true; + return; + } + check_vk_result(err); + wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores +} + +// Main code +int main(int, char**) +{ + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Create window with Vulkan context + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Vulkan example", nullptr, nullptr); + if (!glfwVulkanSupported()) + { + printf("GLFW: Vulkan Not Supported\n"); + return 1; + } + + ImVector<const char*> extensions; + uint32_t extensions_count = 0; + const char** glfw_extensions = glfwGetRequiredInstanceExtensions(&extensions_count); + for (uint32_t i = 0; i < extensions_count; i++) + extensions.push_back(glfw_extensions[i]); + SetupVulkan(extensions); + + // Create Window Surface + VkSurfaceKHR surface; + VkResult err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &surface); + check_vk_result(err); + + // Create Framebuffers + int w, h; + glfwGetFramebufferSize(window, &w, &h); + ImGui_ImplVulkanH_Window* wd = &g_MainWindowData; + SetupVulkanWindow(wd, surface, w, h); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplGlfw_InitForVulkan(window, true); + ImGui_ImplVulkan_InitInfo init_info = {}; + init_info.Instance = g_Instance; + init_info.PhysicalDevice = g_PhysicalDevice; + init_info.Device = g_Device; + init_info.QueueFamily = g_QueueFamily; + init_info.Queue = g_Queue; + init_info.PipelineCache = g_PipelineCache; + init_info.DescriptorPool = g_DescriptorPool; + init_info.Subpass = 0; + init_info.MinImageCount = g_MinImageCount; + init_info.ImageCount = wd->ImageCount; + init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT; + init_info.Allocator = g_Allocator; + init_info.CheckVkResultFn = check_vk_result; + ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + // Resize swap chain? + if (g_SwapChainRebuild) + { + int width, height; + glfwGetFramebufferSize(window, &width, &height); + if (width > 0 && height > 0) + { + ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount); + ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); + g_MainWindowData.FrameIndex = 0; + g_SwapChainRebuild = false; + } + } + + // Start the Dear ImGui frame + ImGui_ImplVulkan_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImDrawData* draw_data = ImGui::GetDrawData(); + const bool is_minimized = (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f); + if (!is_minimized) + { + wd->ClearValue.color.float32[0] = clear_color.x * clear_color.w; + wd->ClearValue.color.float32[1] = clear_color.y * clear_color.w; + wd->ClearValue.color.float32[2] = clear_color.z * clear_color.w; + wd->ClearValue.color.float32[3] = clear_color.w; + FrameRender(wd, draw_data); + FramePresent(wd); + } + } + + // Cleanup + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplVulkan_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + CleanupVulkanWindow(); + CleanupVulkan(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/src/imgui/examples/example_glut_opengl2/Makefile b/src/imgui/examples/example_glut_opengl2/Makefile new file mode 100644 index 0000000..7af289d --- /dev/null +++ b/src/imgui/examples/example_glut_opengl2/Makefile @@ -0,0 +1,75 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# Linux: +# apt-get install freeglut3-dev +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_glut_opengl2 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glut.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl2.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += -lGL -lglut + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework GLUT + LIBS += -L/usr/local/lib -L/opt/local/lib + + CXXFLAGS += -I/usr/local/include -I/opt/local/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lgdi32 -lopengl32 -limm32 +ifeq ($(shell pkg-config freeglut --exists 2> /dev/null && echo yes || echo no),yes) + CXXFLAGS += $(shell pkg-config freeglut --cflags) + LIBS += $(shell pkg-config freeglut --libs) +else + LIBS += -lglut +endif + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_glut_opengl2/example_glut_opengl2.vcxproj b/src/imgui/examples/example_glut_opengl2/example_glut_opengl2.vcxproj new file mode 100644 index 0000000..c56452b --- /dev/null +++ b/src/imgui/examples/example_glut_opengl2/example_glut_opengl2.vcxproj @@ -0,0 +1,186 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + 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\ No newline at end of file diff --git a/src/imgui/examples/example_glut_opengl2/main.cpp b/src/imgui/examples/example_glut_opengl2/main.cpp new file mode 100644 index 0000000..58539ca --- /dev/null +++ b/src/imgui/examples/example_glut_opengl2/main.cpp @@ -0,0 +1,164 @@ +// Dear ImGui: standalone example application for GLUT/FreeGLUT + OpenGL2, using legacy fixed pipeline + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// !!! GLUT/FreeGLUT IS OBSOLETE PREHISTORIC SOFTWARE. Using GLUT is not recommended unless you really miss the 90's. !!! +// !!! If someone or something is teaching you GLUT today, you are being abused. Please show some resistance. !!! +// !!! Nowadays, prefer using GLFW or SDL instead! + +// On Windows, you can install Freeglut using vcpkg: +// git clone https://github.com/Microsoft/vcpkg +// cd vcpkg +// bootstrap - vcpkg.bat +// vcpkg install freeglut --triplet=x86-windows ; for win32 +// vcpkg install freeglut --triplet=x64-windows ; for win64 +// vcpkg integrate install ; register include and libs in Visual Studio + +#include "imgui.h" +#include "imgui_impl_glut.h" +#include "imgui_impl_opengl2.h" +#define GL_SILENCE_DEPRECATION +#ifdef __APPLE__ +#include <GLUT/glut.h> +#else +#include <GL/freeglut.h> +#endif + +#ifdef _MSC_VER +#pragma warning (disable: 4505) // unreferenced local function has been removed +#endif + +// Forward declarations of helper functions +void MainLoopStep(); + +// Our state +static bool show_demo_window = true; +static bool show_another_window = false; +static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + +int main(int argc, char** argv) +{ + // Create GLUT window + glutInit(&argc, argv); +#ifdef __FREEGLUT_EXT_H__ + glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS); +#endif + glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_MULTISAMPLE); + glutInitWindowSize(1280, 720); + glutCreateWindow("Dear ImGui GLUT+OpenGL2 Example"); + + // Setup GLUT display function + // We will also call ImGui_ImplGLUT_InstallFuncs() to get all the other functions installed for us, + // otherwise it is possible to install our own functions and call the imgui_impl_glut.h functions ourselves. + glutDisplayFunc(MainLoopStep); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + // FIXME: Consider reworking this example to install our own GLUT funcs + forward calls ImGui_ImplGLUT_XXX ones, instead of using ImGui_ImplGLUT_InstallFuncs(). + ImGui_ImplGLUT_Init(); + ImGui_ImplOpenGL2_Init(); + + // Install GLUT handlers (glutReshapeFunc(), glutMotionFunc(), glutPassiveMotionFunc(), glutMouseFunc(), glutKeyboardFunc() etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + ImGui_ImplGLUT_InstallFuncs(); + + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Main loop + glutMainLoop(); + + // Cleanup + ImGui_ImplOpenGL2_Shutdown(); + ImGui_ImplGLUT_Shutdown(); + ImGui::DestroyContext(); + + return 0; +} + +void MainLoopStep() +{ + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplGLUT_NewFrame(); + ImGui::NewFrame(); + ImGuiIO& io = ImGui::GetIO(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (GLsizei)io.DisplaySize.x, (GLsizei)io.DisplaySize.y); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + //glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound, but prefer using the GL3+ code. + ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); + + glutSwapBuffers(); + glutPostRedisplay(); +} diff --git a/src/imgui/examples/example_null/Makefile b/src/imgui/examples/example_null/Makefile new file mode 100644 index 0000000..9ceb353 --- /dev/null +++ b/src/imgui/examples/example_null/Makefile @@ -0,0 +1,92 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# Important: This is a "null backend" application, with no visible output or interaction! +# This is used for testing purpose and continuous integration, and has little use for end-user. +# + +# Options +WITH_EXTRA_WARNINGS ?= 0 +WITH_FREETYPE ?= 0 + +EXE = example_null +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) + +CXXFLAGS += -std=c++11 -I$(IMGUI_DIR) +CXXFLAGS += -g -Wall -Wformat +LIBS = + +# We use the WITH_EXTRA_WARNINGS flag on our CI setup to eagerly catch zealous warnings +ifeq ($(WITH_EXTRA_WARNINGS), 1) + CXXFLAGS += -Wno-zero-as-null-pointer-constant -Wno-double-promotion -Wno-variadic-macros +endif + +# We use the WITH_FREETYPE flag on our CI setup to test compiling misc/freetype/imgui_freetype.cpp +# (only supported on Linux, and note that the imgui_freetype code currently won't be executed) +ifeq ($(WITH_FREETYPE), 1) + SOURCES += $(IMGUI_DIR)/misc/freetype/imgui_freetype.cpp + CXXFLAGS += $(shell pkg-config --cflags freetype2) + LIBS += $(shell pkg-config --libs freetype2) +endif + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + ifeq ($(WITH_EXTRA_WARNINGS), 1) + CXXFLAGS += -Wextra -Wpedantic + ifeq ($(shell $(CXX) -v 2>&1 | grep -c "clang version"), 1) + CXXFLAGS += -Wshadow -Wsign-conversion + endif + endif + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + ifeq ($(WITH_EXTRA_WARNINGS), 1) + CXXFLAGS += -Weverything -Wno-reserved-id-macro -Wno-c++98-compat-pedantic -Wno-padded -Wno-poison-system-directories + endif + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + ifeq ($(WITH_EXTRA_WARNINGS), 1) + CXXFLAGS += -Wextra -Wpedantic + endif + LIBS += -limm32 + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/misc/freetype/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_null/build_win32.bat b/src/imgui/examples/example_null/build_win32.bat new file mode 100644 index 0000000..be81d80 --- /dev/null +++ b/src/imgui/examples/example_null/build_win32.bat @@ -0,0 +1,3 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /utf-8 /I ..\.. %* *.cpp ..\..\*.cpp /FeDebug/example_null.exe /FoDebug/ /link gdi32.lib shell32.lib imm32.lib diff --git a/src/imgui/examples/example_null/main.cpp b/src/imgui/examples/example_null/main.cpp new file mode 100644 index 0000000..f7153cc --- /dev/null +++ b/src/imgui/examples/example_null/main.cpp @@ -0,0 +1,37 @@ +// dear imgui: "null" example application +// (compile and link imgui, create context, run headless with NO INPUTS, NO GRAPHICS OUTPUT) +// This is useful to test building, but you cannot interact with anything here! +#include "imgui.h" +#include <stdio.h> + +int main(int, char**) +{ + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); + + // Build atlas + unsigned char* tex_pixels = nullptr; + int tex_w, tex_h; + io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_w, &tex_h); + + for (int n = 0; n < 20; n++) + { + printf("NewFrame() %d\n", n); + io.DisplaySize = ImVec2(1920, 1080); + io.DeltaTime = 1.0f / 60.0f; + ImGui::NewFrame(); + + static float f = 0.0f; + ImGui::Text("Hello, world!"); + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::ShowDemoWindow(nullptr); + + ImGui::Render(); + } + + printf("DestroyContext()\n"); + ImGui::DestroyContext(); + return 0; +} diff --git a/src/imgui/examples/example_sdl2_directx11/build_win32.bat b/src/imgui/examples/example_sdl2_directx11/build_win32.bat new file mode 100644 index 0000000..f0b485c --- /dev/null +++ b/src/imgui/examples/example_sdl2_directx11/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_sdl2_directx11/main.cpp b/src/imgui/examples/example_sdl2_directx11/main.cpp new file mode 100644 index 0000000..3275baf --- /dev/null +++ b/src/imgui/examples/example_sdl2_directx11/main.cpp @@ -0,0 +1,245 @@ +// Dear ImGui: standalone example application for SDL2 + DirectX 11 +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_sdl2.h" +#include "imgui_impl_dx11.h" +#include <d3d11.h> +#include <stdio.h> +#include <SDL.h> +#include <SDL_syswm.h> + +// Data +static ID3D11Device* g_pd3dDevice = nullptr; +static ID3D11DeviceContext* g_pd3dDeviceContext = nullptr; +static IDXGISwapChain* g_pSwapChain = nullptr; +static ID3D11RenderTargetView* g_mainRenderTargetView = nullptr; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); + +// Main code +int main(int, char**) +{ + // Setup SDL + // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems, + // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to the latest version of SDL is recommended!) + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // From 2.0.18: Enable native IME. +#ifdef SDL_HINT_IME_SHOW_UI + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); +#endif + + // Setup window + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+DirectX11 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + + SDL_SysWMinfo wmInfo; + SDL_VERSION(&wmInfo.version); + SDL_GetWindowWMInfo(window, &wmInfo); + HWND hwnd = (HWND)wmInfo.info.win.window; + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + return 1; + } + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL2_InitForD3D(window); + ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) + { + // Release all outstanding references to the swap chain's buffers before resizing. + CleanupRenderTarget(); + g_pSwapChain->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, 0); + CreateRenderTarget(); + } + } + + // Start the Dear ImGui frame + ImGui_ImplDX11_NewFrame(); + ImGui_ImplSDL2_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; + g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, nullptr); + g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, clear_color_with_alpha); + ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData()); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + } + + // Cleanup + ImGui_ImplDX11_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} + +// Helper functions to use DirectX11 +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC sd; + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = 2; + sd.BufferDesc.Width = 0; + sd.BufferDesc.Height = 0; + sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.BufferDesc.RefreshRate.Numerator = 60; + sd.BufferDesc.RefreshRate.Denominator = 1; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.OutputWindow = hWnd; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.Windowed = TRUE; + sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + + UINT createDeviceFlags = 0; + //createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG; + D3D_FEATURE_LEVEL featureLevel; + const D3D_FEATURE_LEVEL featureLevelArray[2] = { D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, }; + if (D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext) != S_OK) + return false; + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = nullptr; } + if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = nullptr; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } +} + +void CreateRenderTarget() +{ + ID3D11Texture2D* pBackBuffer; + g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, &g_mainRenderTargetView); + pBackBuffer->Release(); +} + +void CleanupRenderTarget() +{ + if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = nullptr; } +} diff --git a/src/imgui/examples/example_sdl2_metal/Makefile b/src/imgui/examples/example_sdl2_metal/Makefile new file mode 100644 index 0000000..53c5f75 --- /dev/null +++ b/src/imgui/examples/example_sdl2_metal/Makefile @@ -0,0 +1,47 @@ +# +# You will need SDL2 (http://www.libsdl.org): +# brew install sdl2 +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_sdl2_metal +IMGUI_DIR = ../.. +SOURCES = main.mm +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl2.cpp $(IMGUI_DIR)/backends/imgui_impl_metal.mm +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) + +LIBS = -framework Metal -framework MetalKit -framework Cocoa -framework IOKit -framework CoreVideo -framework QuartzCore +LIBS += `sdl2-config --libs` +LIBS += -L/usr/local/lib + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends -I/usr/local/include +CXXFLAGS += `sdl2-config --cflags` +CXXFLAGS += -Wall -Wformat +CFLAGS = $(CXXFLAGS) + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:%.mm + $(CXX) $(CXXFLAGS) -ObjC++ -fobjc-weak -fobjc-arc -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.mm + $(CXX) $(CXXFLAGS) -ObjC++ -fobjc-weak -fobjc-arc -c -o $@ $< + +all: $(EXE) + @echo Build complete + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_sdl2_metal/main.mm b/src/imgui/examples/example_sdl2_metal/main.mm new file mode 100644 index 0000000..d548127 --- /dev/null +++ b/src/imgui/examples/example_sdl2_metal/main.mm @@ -0,0 +1,189 @@ +// Dear ImGui: standalone example application for SDL2 + Metal +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_sdl2.h" +#include "imgui_impl_metal.h" +#include <stdio.h> +#include <SDL.h> + +#import <Metal/Metal.h> +#import <QuartzCore/QuartzCore.h> + +int main(int, char**) +{ + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Setup SDL + // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems, + // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to latest version of SDL is recommended!) + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Inform SDL that we will be using metal for rendering. Without this hint initialization of metal renderer may fail. + SDL_SetHint(SDL_HINT_RENDER_DRIVER, "metal"); + + // Enable native IME. + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); + + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL+Metal example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + if (window == nullptr) + { + printf("Error creating window: %s\n", SDL_GetError()); + return -2; + } + + SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC); + if (renderer == nullptr) + { + printf("Error creating renderer: %s\n", SDL_GetError()); + return -3; + } + + // Setup Platform/Renderer backends + CAMetalLayer* layer = (__bridge CAMetalLayer*)SDL_RenderGetMetalLayer(renderer); + layer.pixelFormat = MTLPixelFormatBGRA8Unorm; + ImGui_ImplMetal_Init(layer.device); + ImGui_ImplSDL2_InitForMetal(window); + + id<MTLCommandQueue> commandQueue = [layer.device newCommandQueue]; + MTLRenderPassDescriptor* renderPassDescriptor = [MTLRenderPassDescriptor new]; + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f}; + + // Main loop + bool done = false; + while (!done) + { + @autoreleasepool + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + int width, height; + SDL_GetRendererOutputSize(renderer, &width, &height); + layer.drawableSize = CGSizeMake(width, height); + id<CAMetalDrawable> drawable = [layer nextDrawable]; + + id<MTLCommandBuffer> commandBuffer = [commandQueue commandBuffer]; + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0] * clear_color[3], clear_color[1] * clear_color[3], clear_color[2] * clear_color[3], clear_color[3]); + renderPassDescriptor.colorAttachments[0].texture = drawable.texture; + renderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear; + renderPassDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore; + id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"ImGui demo"]; + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); + ImGui_ImplSDL2_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData(), commandBuffer, renderEncoder); + + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + [commandBuffer presentDrawable:drawable]; + [commandBuffer commit]; + } + } + + // Cleanup + ImGui_ImplMetal_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_DestroyRenderer(renderer); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_sdl2_opengl2/Makefile b/src/imgui/examples/example_sdl2_opengl2/Makefile new file mode 100644 index 0000000..a85ced0 --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl2/Makefile @@ -0,0 +1,79 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need SDL2 (http://www.libsdl.org): +# Linux: +# apt-get install libsdl2-dev +# Mac OS X: +# brew install sdl2 +# MSYS2: +# pacman -S mingw-w64-i686-SDL2 +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_sdl2_opengl2 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl2.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl2.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += -lGL -ldl `sdl2-config --libs` + + CXXFLAGS += `sdl2-config --cflags` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl2-config --libs` + LIBS += -L/usr/local/lib -L/opt/local/lib + + CXXFLAGS += `sdl2-config --cflags` + CXXFLAGS += -I/usr/local/include -I/opt/local/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2` + + CXXFLAGS += `pkg-config --cflags sdl2` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_sdl2_opengl2/README.md b/src/imgui/examples/example_sdl2_opengl2/README.md new file mode 100644 index 0000000..40a49e6 --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl2/README.md @@ -0,0 +1,29 @@ + +# How to Build + +- On Windows with Visual Studio's IDE + +Use the provided project file (.vcxproj). Add to solution (imgui_examples.sln) if necessary. + +- On Windows with Visual Studio's CLI + +``` +set SDL2_DIR=path_to_your_sdl2_folder +cl /Zi /MD /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_opengl2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_opengl2.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries +# or for 64-bit: +cl /Zi /MD /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_opengl2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_opengl2.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +``` + +- On Linux and similar Unixes + +``` +c++ `sdl2-config --cflags` -I .. -I ../.. -I ../../backends main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_opengl2.cpp ../../imgui*.cpp `sdl2-config --libs` -lGL +``` + +- On Mac OS X + +``` +brew install sdl2 +c++ `sdl2-config --cflags` -I .. -I ../.. -I ../../backends main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_opengl2.cpp ../../imgui*.cpp `sdl2-config --libs` -framework OpenGl +``` diff --git a/src/imgui/examples/example_sdl2_opengl2/build_win32.bat b/src/imgui/examples/example_sdl2_opengl2/build_win32.bat new file mode 100644 index 0000000..7543eda --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl2/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +@set OUT_DIR=Debug +@set OUT_EXE=example_sdl2_opengl2 +@set INCLUDES=/I..\.. /I..\..\backends /I%SDL2_DIR%\include +@set SOURCES=main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_opengl2.cpp ..\..\imgui*.cpp +@set LIBS=/LIBPATH:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib shell32.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console diff --git a/src/imgui/examples/example_sdl2_opengl2/example_sdl2_opengl2.vcxproj b/src/imgui/examples/example_sdl2_opengl2/example_sdl2_opengl2.vcxproj new file mode 100644 index 0000000..036463f --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl2/example_sdl2_opengl2.vcxproj @@ -0,0 +1,186 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + 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\ No newline at end of file diff --git a/src/imgui/examples/example_sdl2_opengl2/main.cpp b/src/imgui/examples/example_sdl2_opengl2/main.cpp new file mode 100644 index 0000000..efb28ed --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl2/main.cpp @@ -0,0 +1,171 @@ +// Dear ImGui: standalone example application for SDL2 + OpenGL +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** +// **Prefer using the code in the example_sdl2_opengl3/ folder** +// See imgui_impl_sdl2.cpp for details. + +#include "imgui.h" +#include "imgui_impl_sdl2.h" +#include "imgui_impl_opengl2.h" +#include <stdio.h> +#include <SDL.h> +#include <SDL_opengl.h> + +// Main code +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // From 2.0.18: Enable native IME. +#ifdef SDL_HINT_IME_SHOW_UI + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); +#endif + + // Setup window + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + + SDL_GLContext gl_context = SDL_GL_CreateContext(window); + SDL_GL_MakeCurrent(window, gl_context); + SDL_GL_SetSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL2_InitForOpenGL(window, gl_context); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplSDL2_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + //glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound + ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); + SDL_GL_SwapWindow(window); + } + + // Cleanup + ImGui_ImplOpenGL2_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_GL_DeleteContext(gl_context); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_sdl2_opengl3/Makefile b/src/imgui/examples/example_sdl2_opengl3/Makefile new file mode 100644 index 0000000..5b4f941 --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl3/Makefile @@ -0,0 +1,91 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need SDL2 (http://www.libsdl.org): +# Linux: +# apt-get install libsdl2-dev +# Mac OS X: +# brew install sdl2 +# MSYS2: +# pacman -S mingw-w64-i686-SDL2 +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_sdl2_opengl3 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl2.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +LINUX_GL_LIBS = -lGL + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## OPENGL ES +##--------------------------------------------------------------------- + +## This assumes a GL ES library available in the system, e.g. libGLESv2.so +# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2 +# LINUX_GL_LIBS = -lGLESv2 +## If you're on a Raspberry Pi and want to use the legacy drivers, +## use the following instead: +# LINUX_GL_LIBS = -L/opt/vc/lib -lbrcmGLESv2 + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += $(LINUX_GL_LIBS) -ldl `sdl2-config --libs` + + CXXFLAGS += `sdl2-config --cflags` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl2-config --libs` + LIBS += -L/usr/local/lib -L/opt/local/lib + + CXXFLAGS += `sdl2-config --cflags` + CXXFLAGS += -I/usr/local/include -I/opt/local/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2` + + CXXFLAGS += `pkg-config --cflags sdl2` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_sdl2_opengl3/Makefile.emscripten b/src/imgui/examples/example_sdl2_opengl3/Makefile.emscripten new file mode 100644 index 0000000..da03484 --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl3/Makefile.emscripten @@ -0,0 +1,92 @@ +# +# Makefile to use with SDL+emscripten +# See https://emscripten.org/docs/getting_started/downloads.html +# for installation instructions. +# +# This Makefile assumes you have loaded emscripten's environment. +# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead) +# +# Running `make -f Makefile.emscripten` will produce three files: +# - web/index.html +# - web/index.js +# - web/index.wasm +# +# All three are needed to run the demo. + +CC = emcc +CXX = em++ +WEB_DIR = web +EXE = $(WEB_DIR)/index.html +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl2.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +CPPFLAGS = +LDFLAGS = +EMS = + +##--------------------------------------------------------------------- +## EMSCRIPTEN OPTIONS +##--------------------------------------------------------------------- + +# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only) +EMS += -s USE_SDL=2 +EMS += -s DISABLE_EXCEPTION_CATCHING=1 +LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1 + +# Uncomment next line to fix possible rendering bugs with Emscripten version older then 1.39.0 (https://github.com/ocornut/imgui/issues/2877) +#EMS += -s BINARYEN_TRAP_MODE=clamp +#EMS += -s SAFE_HEAP=1 ## Adds overhead + +# Emscripten allows preloading a file or folder to be accessible at runtime. +# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts" +# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html +# (Default value is 0. Set to 1 to enable file-system and include the misc/fonts/ folder as part of the build.) +USE_FILE_SYSTEM ?= 0 +ifeq ($(USE_FILE_SYSTEM), 0) +LDFLAGS += -s NO_FILESYSTEM=1 +CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS +endif +ifeq ($(USE_FILE_SYSTEM), 1) +LDFLAGS += --no-heap-copy --preload-file ../../misc/fonts@/fonts +endif + +##--------------------------------------------------------------------- +## FINAL BUILD FLAGS +##--------------------------------------------------------------------- + +CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +#CPPFLAGS += -g +CPPFLAGS += -Wall -Wformat -Os $(EMS) +LDFLAGS += --shell-file ../libs/emscripten/shell_minimal.html +LDFLAGS += $(EMS) + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(EXE) + +$(WEB_DIR): + mkdir $@ + +serve: all + python3 -m http.server -d $(WEB_DIR) + +$(EXE): $(OBJS) $(WEB_DIR) + $(CXX) -o $@ $(OBJS) $(LDFLAGS) + +clean: + rm -rf $(OBJS) $(WEB_DIR) diff --git a/src/imgui/examples/example_sdl2_opengl3/README.md b/src/imgui/examples/example_sdl2_opengl3/README.md new file mode 100644 index 0000000..81fd9fe --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl3/README.md @@ -0,0 +1,57 @@ + +# How to Build + +## Windows with Visual Studio's IDE + +Use the provided project file (.vcxproj). Add to solution (imgui_examples.sln) if necessary. + +## Windows with Visual Studio's CLI + +Use build_win32.bat or directly: +``` +set SDL2_DIR=path_to_your_sdl2_folder +cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries +# or for 64-bit: +cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +``` + +## Linux and similar Unixes + +Use our Makefile or directly: +``` +c++ `sdl2-config --cflags` -I .. -I ../.. -I ../../backends + main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_opengl3.cpp ../../imgui*.cpp + `sdl2-config --libs` -lGL -ldl +``` + +## macOS + +Use our Makefile or directly: +``` +brew install sdl2 +c++ `sdl2-config --cflags` -I .. -I ../.. -I ../../backends + main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_opengl3.cpp ../../imgui*.cpp + `sdl2-config --libs` -framework OpenGl -framework CoreFoundation +``` + +## Emscripten + +**Building** + +You need to install Emscripten from https://emscripten.org/docs/getting_started/downloads.html, and have the environment variables set, as described in https://emscripten.org/docs/getting_started/downloads.html#installation-instructions + +- Depending on your configuration, in Windows you may need to run `emsdk/emsdk_env.bat` in your console to access the Emscripten command-line tools. +- You may also refer to our [Continuous Integration setup](https://github.com/ocornut/imgui/tree/master/.github/workflows) for Emscripten setup. +- Then build using `make -f Makefile.emscripten` while in the current directory. + +**Running an Emscripten project** + +To run on a local machine: +- `make -f Makefile.emscripten serve` will use Python3 to spawn a local webserver, you can then browse http://localhost:8000 to access your build. +- Otherwise, generally you will need a local webserver. Quoting [https://emscripten.org/docs/getting_started](https://emscripten.org/docs/getting_started/Tutorial.html#generating-html):<br> +_"Unfortunately several browsers (including Chrome, Safari, and Internet Explorer) do not support file:// [XHR](https://emscripten.org/docs/site/glossary.html#term-xhr) requests, and can’t load extra files needed by the HTML (like a .wasm file, or packaged file data as mentioned lower down). For these browsers you’ll need to serve the files using a [local webserver](https://emscripten.org/docs/getting_started/FAQ.html#faq-local-webserver) and then open http://localhost:8000/hello.html."_ +- Emscripten SDK has a handy `emrun` command: `emrun web/index.html --browser firefox` which will spawn a temporary local webserver (in Firefox). See https://emscripten.org/docs/compiling/Running-html-files-with-emrun.html for details. +- You may use Python 3 builtin webserver: `python -m http.server -d web` (this is what `make serve` uses). +- You may use Python 2 builtin webserver: `cd web && python -m SimpleHTTPServer`. +- If you are accessing the files over a network, certain browsers, such as Firefox, will restrict Gamepad API access to secure contexts only (e.g. https only). diff --git a/src/imgui/examples/example_sdl2_opengl3/build_win32.bat b/src/imgui/examples/example_sdl2_opengl3/build_win32.bat new file mode 100644 index 0000000..7b2fac9 --- /dev/null +++ b/src/imgui/examples/example_sdl2_opengl3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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See 'Makefile.emscripten' for details. +#ifdef __EMSCRIPTEN__ +#include "../libs/emscripten/emscripten_mainloop_stub.h" +#endif + +// Main code +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Decide GL+GLSL versions +#if defined(IMGUI_IMPL_OPENGL_ES2) + // GL ES 2.0 + GLSL 100 + const char* glsl_version = "#version 100"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); +#elif defined(__APPLE__) + // GL 3.2 Core + GLSL 150 + const char* glsl_version = "#version 150"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); // Always required on Mac + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); +#else + // GL 3.0 + GLSL 130 + const char* glsl_version = "#version 130"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); +#endif + + // From 2.0.18: Enable native IME. +#ifdef SDL_HINT_IME_SHOW_UI + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); +#endif + + // Create window with graphics context + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL3 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + + SDL_GLContext gl_context = SDL_GL_CreateContext(window); + SDL_GL_MakeCurrent(window, gl_context); + SDL_GL_SetSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL2_InitForOpenGL(window, gl_context); + ImGui_ImplOpenGL3_Init(glsl_version); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Our Emscripten build process allows embedding fonts to be accessible at runtime from the "fonts/" folder. See Makefile.emscripten for details. + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; +#ifdef __EMSCRIPTEN__ + // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. + // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. + io.IniFilename = nullptr; + EMSCRIPTEN_MAINLOOP_BEGIN +#else + while (!done) +#endif + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplSDL2_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + SDL_GL_SwapWindow(window); + } +#ifdef __EMSCRIPTEN__ + EMSCRIPTEN_MAINLOOP_END; +#endif + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_GL_DeleteContext(gl_context); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_sdl2_sdlrenderer2/Makefile b/src/imgui/examples/example_sdl2_sdlrenderer2/Makefile new file mode 100644 index 0000000..5820d9b --- /dev/null +++ b/src/imgui/examples/example_sdl2_sdlrenderer2/Makefile @@ -0,0 +1,79 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need SDL2 (http://www.libsdl.org): +# Linux: +# apt-get install libsdl2-dev +# Mac OS X: +# brew install sdl2 +# MSYS2: +# pacman -S mingw-w64-i686-SDL2 +# + +#CXX = g++ +#CXX = clang++ + +EXE = example_sdl2_sdlrenderer2 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl2.cpp $(IMGUI_DIR)/backends/imgui_impl_sdlrenderer2.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += -lGL -ldl `sdl2-config --libs` + + CXXFLAGS += `sdl2-config --cflags` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl2-config --libs` + LIBS += -L/usr/local/lib -L/opt/local/lib + + CXXFLAGS += `sdl2-config --cflags` + CXXFLAGS += -I/usr/local/include -I/opt/local/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2` + + CXXFLAGS += `pkg-config --cflags sdl2` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_sdl2_sdlrenderer2/README.md b/src/imgui/examples/example_sdl2_sdlrenderer2/README.md new file mode 100644 index 0000000..ef6fe85 --- /dev/null +++ b/src/imgui/examples/example_sdl2_sdlrenderer2/README.md @@ -0,0 +1,25 @@ + +# How to Build + +- On Windows with Visual Studio's CLI + +``` +set SDL2_DIR=path_to_your_sdl2_folder +cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_sdlrenderer2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_sdlrenderer.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib /subsystem:console +# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries +# or for 64-bit: +cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_sdlrenderer2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl2_sdlrenderer.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL2.lib SDL2main.lib /subsystem:console +``` + +- On Linux and similar Unixes + +``` +c++ `sdl2-config --cflags` -I .. -I ../.. main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_sdlrenderer2.cpp ../../imgui*.cpp `sdl2-config --libs` -lGL +``` + +- On Mac OS X + +``` +brew install sdl2 +c++ `sdl2-config --cflags` -I .. -I ../.. main.cpp ../../backends/imgui_impl_sdl2.cpp ../../backends/imgui_impl_sdlrenderer2.cpp ../../imgui*.cpp `sdl2-config --libs` -framework OpenGl +``` diff --git 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Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +@set OUT_DIR=Debug +@set OUT_EXE=example_sdl2_sdlrenderer_ +@set INCLUDES=/I..\.. /I..\..\backends /I%SDL2_DIR%\include +@set SOURCES=main.cpp ..\..\backends\imgui_impl_sdl2.cpp ..\..\backends\imgui_impl_sdlrenderer2.cpp ..\..\imgui*.cpp +@set LIBS=/LIBPATH:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console diff --git a/src/imgui/examples/example_sdl2_sdlrenderer2/example_sdl2_sdlrenderer2.vcxproj b/src/imgui/examples/example_sdl2_sdlrenderer2/example_sdl2_sdlrenderer2.vcxproj new file mode 100644 index 0000000..cf2c890 --- /dev/null +++ b/src/imgui/examples/example_sdl2_sdlrenderer2/example_sdl2_sdlrenderer2.vcxproj @@ -0,0 +1,187 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" 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<Filter>imgui</Filter> + </None> + </ItemGroup> +</Project> diff --git a/src/imgui/examples/example_sdl2_sdlrenderer2/main.cpp b/src/imgui/examples/example_sdl2_sdlrenderer2/main.cpp new file mode 100644 index 0000000..bfba8fa --- /dev/null +++ b/src/imgui/examples/example_sdl2_sdlrenderer2/main.cpp @@ -0,0 +1,172 @@ +// Dear ImGui: standalone example application for SDL2 + SDL_Renderer +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// Important to understand: SDL_Renderer is an _optional_ component of SDL2. +// For a multi-platform app consider using e.g. SDL+DirectX on Windows and SDL+OpenGL on Linux/OSX. + +#include "imgui.h" +#include "imgui_impl_sdl2.h" +#include "imgui_impl_sdlrenderer2.h" +#include <stdio.h> +#include <SDL.h> + +#if !SDL_VERSION_ATLEAST(2,0,17) +#error This backend requires SDL 2.0.17+ because of SDL_RenderGeometry() function +#endif + +// Main code +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // From 2.0.18: Enable native IME. +#ifdef SDL_HINT_IME_SHOW_UI + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); +#endif + + // Create window with SDL_Renderer graphics context + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+SDL_Renderer example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED); + if (renderer == nullptr) + { + SDL_Log("Error creating SDL_Renderer!"); + return 0; + } + //SDL_RendererInfo info; + //SDL_GetRendererInfo(renderer, &info); + //SDL_Log("Current SDL_Renderer: %s", info.name); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL2_InitForSDLRenderer(window, renderer); + ImGui_ImplSDLRenderer2_Init(renderer); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplSDLRenderer2_NewFrame(); + ImGui_ImplSDL2_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + SDL_RenderSetScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y); + SDL_SetRenderDrawColor(renderer, (Uint8)(clear_color.x * 255), (Uint8)(clear_color.y * 255), (Uint8)(clear_color.z * 255), (Uint8)(clear_color.w * 255)); + SDL_RenderClear(renderer); + ImGui_ImplSDLRenderer2_RenderDrawData(ImGui::GetDrawData()); + SDL_RenderPresent(renderer); + } + + // Cleanup + ImGui_ImplSDLRenderer2_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_DestroyRenderer(renderer); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_sdl2_vulkan/build_win32.bat b/src/imgui/examples/example_sdl2_vulkan/build_win32.bat new file mode 100644 index 0000000..8a4aefc --- /dev/null +++ b/src/imgui/examples/example_sdl2_vulkan/build_win32.bat @@ -0,0 +1,10 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_sdl2_vulkan/main.cpp b/src/imgui/examples/example_sdl2_vulkan/main.cpp new file mode 100644 index 0000000..bbd9eec --- /dev/null +++ b/src/imgui/examples/example_sdl2_vulkan/main.cpp @@ -0,0 +1,570 @@ +// Dear ImGui: standalone example application for SDL2 + Vulkan + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering backend in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the backend itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +#include "imgui.h" +#include "imgui_impl_sdl2.h" +#include "imgui_impl_vulkan.h" +#include <stdio.h> // printf, fprintf +#include <stdlib.h> // abort +#include <SDL.h> +#include <SDL_vulkan.h> +#include <vulkan/vulkan.h> +//#include <vulkan/vulkan_beta.h> + +//#define IMGUI_UNLIMITED_FRAME_RATE +#ifdef _DEBUG +#define IMGUI_VULKAN_DEBUG_REPORT +#endif + +// Data +static VkAllocationCallbacks* g_Allocator = nullptr; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static ImGui_ImplVulkanH_Window g_MainWindowData; +static uint32_t g_MinImageCount = 2; +static bool g_SwapChainRebuild = false; + +static void check_vk_result(VkResult err) +{ + if (err == 0) + return; + fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err); + if (err < 0) + abort(); +} + +#ifdef IMGUI_VULKAN_DEBUG_REPORT +static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) +{ + (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments + fprintf(stderr, "[vulkan] Debug report from ObjectType: %i\nMessage: %s\n\n", objectType, pMessage); + return VK_FALSE; +} +#endif // IMGUI_VULKAN_DEBUG_REPORT + +static bool IsExtensionAvailable(const ImVector<VkExtensionProperties>& properties, const char* extension) +{ + for (const VkExtensionProperties& p : properties) + if (strcmp(p.extensionName, extension) == 0) + return true; + return false; +} + +static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice() +{ + uint32_t gpu_count; + VkResult err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, nullptr); + check_vk_result(err); + IM_ASSERT(gpu_count > 0); + + ImVector<VkPhysicalDevice> gpus; + gpus.resize(gpu_count); + err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus.Data); + check_vk_result(err); + + // If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers + // most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple + // dedicated GPUs) is out of scope of this sample. + for (VkPhysicalDevice& device : gpus) + { + VkPhysicalDeviceProperties properties; + vkGetPhysicalDeviceProperties(device, &properties); + if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) + return device; + } + + // Use first GPU (Integrated) is a Discrete one is not available. + if (gpu_count > 0) + return gpus[0]; + return VK_NULL_HANDLE; +} + +static void SetupVulkan(ImVector<const char*> instance_extensions) +{ + VkResult err; + + // Create Vulkan Instance + { + VkInstanceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + + // Enumerate available extensions + uint32_t properties_count; + ImVector<VkExtensionProperties> properties; + vkEnumerateInstanceExtensionProperties(nullptr, &properties_count, nullptr); + properties.resize(properties_count); + err = vkEnumerateInstanceExtensionProperties(nullptr, &properties_count, properties.Data); + check_vk_result(err); + + // Enable required extensions + if (IsExtensionAvailable(properties, VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME)) + instance_extensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME); +#ifdef VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME + if (IsExtensionAvailable(properties, VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME)) + { + instance_extensions.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME); + create_info.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR; + } +#endif + + // Enabling validation layers +#ifdef IMGUI_VULKAN_DEBUG_REPORT + const char* layers[] = { "VK_LAYER_KHRONOS_validation" }; + create_info.enabledLayerCount = 1; + create_info.ppEnabledLayerNames = layers; + instance_extensions.push_back("VK_EXT_debug_report"); +#endif + + // Create Vulkan Instance + create_info.enabledExtensionCount = (uint32_t)instance_extensions.Size; + create_info.ppEnabledExtensionNames = instance_extensions.Data; + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + + // Setup the debug report callback +#ifdef IMGUI_VULKAN_DEBUG_REPORT + auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT"); + IM_ASSERT(vkCreateDebugReportCallbackEXT != nullptr); + VkDebugReportCallbackCreateInfoEXT debug_report_ci = {}; + debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT; + debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; + debug_report_ci.pfnCallback = debug_report; + debug_report_ci.pUserData = nullptr; + err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport); + check_vk_result(err); +#endif + } + + // Select Physical Device (GPU) + g_PhysicalDevice = SetupVulkan_SelectPhysicalDevice(); + + // Select graphics queue family + { + uint32_t count; + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, nullptr); + VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count); + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues); + for (uint32_t i = 0; i < count; i++) + if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) + { + g_QueueFamily = i; + break; + } + free(queues); + IM_ASSERT(g_QueueFamily != (uint32_t)-1); + } + + // Create Logical Device (with 1 queue) + { + ImVector<const char*> device_extensions; + device_extensions.push_back("VK_KHR_swapchain"); + + // Enumerate physical device extension + uint32_t properties_count; + ImVector<VkExtensionProperties> properties; + vkEnumerateDeviceExtensionProperties(g_PhysicalDevice, nullptr, &properties_count, nullptr); + properties.resize(properties_count); + vkEnumerateDeviceExtensionProperties(g_PhysicalDevice, nullptr, &properties_count, properties.Data); +#ifdef VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME + if (IsExtensionAvailable(properties, VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME)) + device_extensions.push_back(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME); +#endif + + const float queue_priority[] = { 1.0f }; + VkDeviceQueueCreateInfo queue_info[1] = {}; + queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queue_info[0].queueFamilyIndex = g_QueueFamily; + queue_info[0].queueCount = 1; + queue_info[0].pQueuePriorities = queue_priority; + VkDeviceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; + create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]); + create_info.pQueueCreateInfos = queue_info; + create_info.enabledExtensionCount = (uint32_t)device_extensions.Size; + create_info.ppEnabledExtensionNames = device_extensions.Data; + err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device); + check_vk_result(err); + vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue); + } + + // Create Descriptor Pool + // The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that) + // If you wish to load e.g. additional textures you may need to alter pools sizes. + { + VkDescriptorPoolSize pool_sizes[] = + { + { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 }, + }; + VkDescriptorPoolCreateInfo pool_info = {}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; + pool_info.maxSets = 1; + pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes); + pool_info.pPoolSizes = pool_sizes; + err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool); + check_vk_result(err); + } +} + +// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo. +// Your real engine/app may not use them. +static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height) +{ + wd->Surface = surface; + + // Check for WSI support + VkBool32 res; + vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res); + if (res != VK_TRUE) + { + fprintf(stderr, "Error no WSI support on physical device 0\n"); + exit(-1); + } + + // Select Surface Format + const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM }; + const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; + wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace); + + // Select Present Mode +#ifdef IMGUI_UNLIMITED_FRAME_RATE + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR }; +#else + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR }; +#endif + wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes)); + //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); + + // Create SwapChain, RenderPass, Framebuffer, etc. + IM_ASSERT(g_MinImageCount >= 2); + ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); +} + +static void CleanupVulkan() +{ + vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); + +#ifdef IMGUI_VULKAN_DEBUG_REPORT + // Remove the debug report callback + auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT"); + vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator); +#endif // IMGUI_VULKAN_DEBUG_REPORT + + vkDestroyDevice(g_Device, g_Allocator); + vkDestroyInstance(g_Instance, g_Allocator); +} + +static void CleanupVulkanWindow() +{ + ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator); +} + +static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data) +{ + VkResult err; + + VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore; + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); + if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR) + { + g_SwapChainRebuild = true; + return; + } + check_vk_result(err); + + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; + { + err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking + check_vk_result(err); + + err = vkResetFences(g_Device, 1, &fd->Fence); + check_vk_result(err); + } + { + err = vkResetCommandPool(g_Device, fd->CommandPool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(fd->CommandBuffer, &info); + check_vk_result(err); + } + { + VkRenderPassBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + info.renderPass = wd->RenderPass; + info.framebuffer = fd->Framebuffer; + info.renderArea.extent.width = wd->Width; + info.renderArea.extent.height = wd->Height; + info.clearValueCount = 1; + info.pClearValues = &wd->ClearValue; + vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE); + } + + // Record dear imgui primitives into command buffer + ImGui_ImplVulkan_RenderDrawData(draw_data, fd->CommandBuffer); + + // Submit command buffer + vkCmdEndRenderPass(fd->CommandBuffer); + { + VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + VkSubmitInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &image_acquired_semaphore; + info.pWaitDstStageMask = &wait_stage; + info.commandBufferCount = 1; + info.pCommandBuffers = &fd->CommandBuffer; + info.signalSemaphoreCount = 1; + info.pSignalSemaphores = &render_complete_semaphore; + + err = vkEndCommandBuffer(fd->CommandBuffer); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence); + check_vk_result(err); + } +} + +static void FramePresent(ImGui_ImplVulkanH_Window* wd) +{ + if (g_SwapChainRebuild) + return; + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + VkPresentInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &render_complete_semaphore; + info.swapchainCount = 1; + info.pSwapchains = &wd->Swapchain; + info.pImageIndices = &wd->FrameIndex; + VkResult err = vkQueuePresentKHR(g_Queue, &info); + if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR) + { + g_SwapChainRebuild = true; + return; + } + check_vk_result(err); + wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores +} + +// Main code +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // From 2.0.18: Enable native IME. +#ifdef SDL_HINT_IME_SHOW_UI + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); +#endif + + // Create window with Vulkan graphics context + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+Vulkan example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + + ImVector<const char*> extensions; + uint32_t extensions_count = 0; + SDL_Vulkan_GetInstanceExtensions(window, &extensions_count, nullptr); + extensions.resize(extensions_count); + SDL_Vulkan_GetInstanceExtensions(window, &extensions_count, extensions.Data); + SetupVulkan(extensions); + + // Create Window Surface + VkSurfaceKHR surface; + VkResult err; + if (SDL_Vulkan_CreateSurface(window, g_Instance, &surface) == 0) + { + printf("Failed to create Vulkan surface.\n"); + return 1; + } + + // Create Framebuffers + int w, h; + SDL_GetWindowSize(window, &w, &h); + ImGui_ImplVulkanH_Window* wd = &g_MainWindowData; + SetupVulkanWindow(wd, surface, w, h); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL2_InitForVulkan(window); + ImGui_ImplVulkan_InitInfo init_info = {}; + init_info.Instance = g_Instance; + init_info.PhysicalDevice = g_PhysicalDevice; + init_info.Device = g_Device; + init_info.QueueFamily = g_QueueFamily; + init_info.Queue = g_Queue; + init_info.PipelineCache = g_PipelineCache; + init_info.DescriptorPool = g_DescriptorPool; + init_info.Subpass = 0; + init_info.MinImageCount = g_MinImageCount; + init_info.ImageCount = wd->ImageCount; + init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT; + init_info.Allocator = g_Allocator; + init_info.CheckVkResultFn = check_vk_result; + ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Resize swap chain? + if (g_SwapChainRebuild) + { + int width, height; + SDL_GetWindowSize(window, &width, &height); + if (width > 0 && height > 0) + { + ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount); + ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); + g_MainWindowData.FrameIndex = 0; + g_SwapChainRebuild = false; + } + } + + // Start the Dear ImGui frame + ImGui_ImplVulkan_NewFrame(); + ImGui_ImplSDL2_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImDrawData* draw_data = ImGui::GetDrawData(); + const bool is_minimized = (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f); + if (!is_minimized) + { + wd->ClearValue.color.float32[0] = clear_color.x * clear_color.w; + wd->ClearValue.color.float32[1] = clear_color.y * clear_color.w; + wd->ClearValue.color.float32[2] = clear_color.z * clear_color.w; + wd->ClearValue.color.float32[3] = clear_color.w; + FrameRender(wd, draw_data); + FramePresent(wd); + } + } + + // Cleanup + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplVulkan_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + CleanupVulkanWindow(); + CleanupVulkan(); + + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_sdl3_opengl3/Makefile b/src/imgui/examples/example_sdl3_opengl3/Makefile new file mode 100644 index 0000000..3a00a31 --- /dev/null +++ b/src/imgui/examples/example_sdl3_opengl3/Makefile @@ -0,0 +1,84 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need SDL3 (http://www.libsdl.org) which is still unreleased/unpackaged. + +#CXX = g++ +#CXX = clang++ + +EXE = example_sdl3_opengl3 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl3.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +LINUX_GL_LIBS = -lGL + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## OPENGL ES +##--------------------------------------------------------------------- + +## This assumes a GL ES library available in the system, e.g. libGLESv2.so +# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2 +# LINUX_GL_LIBS = -lGLESv2 +## If you're on a Raspberry Pi and want to use the legacy drivers, +## use the following instead: +# LINUX_GL_LIBS = -L/opt/vc/lib -lbrcmGLESv2 + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += $(LINUX_GL_LIBS) -ldl `sdl3-config --libs` + + CXXFLAGS += `sdl3-config --cflags` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl3-config --libs` + LIBS += -L/usr/local/lib -L/opt/local/lib + + CXXFLAGS += `sdl3-config --cflags` + CXXFLAGS += -I/usr/local/include -I/opt/local/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl3` + + CXXFLAGS += `pkg-config --cflags sdl3` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_sdl3_opengl3/Makefile.emscripten b/src/imgui/examples/example_sdl3_opengl3/Makefile.emscripten new file mode 100644 index 0000000..9e9ffd6 --- /dev/null +++ b/src/imgui/examples/example_sdl3_opengl3/Makefile.emscripten @@ -0,0 +1,96 @@ + +# IMPORTANT: SDL3 IS IN DEVELOPMENT, AS OF 2023-05-30, EMSCRIPTEN DOESN'T SUPPORT SDL3 YET. +# WE ARE LEAVING THIS MAKEFILE AROUND FOR THE DAY IT WILL SUPPORT IT. + +# +# Makefile to use with SDL+emscripten +# See https://emscripten.org/docs/getting_started/downloads.html +# for installation instructions. +# +# This Makefile assumes you have loaded emscripten's environment. +# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead) +# +# Running `make -f Makefile.emscripten` will produce three files: +# - web/index.html +# - web/index.js +# - web/index.wasm +# +# All three are needed to run the demo. + +CC = emcc +CXX = em++ +WEB_DIR = web +EXE = $(WEB_DIR)/index.html +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl3.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +CPPFLAGS = +LDFLAGS = +EMS = + +##--------------------------------------------------------------------- +## EMSCRIPTEN OPTIONS +##--------------------------------------------------------------------- + +# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only) +EMS += -s USE_SDL=2 +EMS += -s DISABLE_EXCEPTION_CATCHING=1 +LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1 + +# Uncomment next line to fix possible rendering bugs with Emscripten version older then 1.39.0 (https://github.com/ocornut/imgui/issues/2877) +#EMS += -s BINARYEN_TRAP_MODE=clamp +#EMS += -s SAFE_HEAP=1 ## Adds overhead + +# Emscripten allows preloading a file or folder to be accessible at runtime. +# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts" +# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html +# (Default value is 0. Set to 1 to enable file-system and include the misc/fonts/ folder as part of the build.) +USE_FILE_SYSTEM ?= 0 +ifeq ($(USE_FILE_SYSTEM), 0) +LDFLAGS += -s NO_FILESYSTEM=1 +CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS +endif +ifeq ($(USE_FILE_SYSTEM), 1) +LDFLAGS += --no-heap-copy --preload-file ../../misc/fonts@/fonts +endif + +##--------------------------------------------------------------------- +## FINAL BUILD FLAGS +##--------------------------------------------------------------------- + +CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +#CPPFLAGS += -g +CPPFLAGS += -Wall -Wformat -Os $(EMS) +LDFLAGS += --shell-file ../libs/emscripten/shell_minimal.html +LDFLAGS += $(EMS) + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(EXE) + +$(WEB_DIR): + mkdir $@ + +serve: all + python3 -m http.server -d $(WEB_DIR) + +$(EXE): $(OBJS) $(WEB_DIR) + $(CXX) -o $@ $(OBJS) $(LDFLAGS) + +clean: + rm -rf $(OBJS) $(WEB_DIR) diff --git a/src/imgui/examples/example_sdl3_opengl3/README.md b/src/imgui/examples/example_sdl3_opengl3/README.md new file mode 100644 index 0000000..5828e4b --- /dev/null +++ b/src/imgui/examples/example_sdl3_opengl3/README.md @@ -0,0 +1,40 @@ + +# How to Build + +## Windows with Visual Studio's IDE + +Use the provided project file (.vcxproj). Add to solution (imgui_examples.sln) if necessary. + +## Windows with Visual Studio's CLI + +Use build_win32.bat or directly: +``` +set SDL2_DIR=path_to_your_sdl3_folder +cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL3.lib opengl32.lib /subsystem:console +# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries +# or for 64-bit: +cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL3.lib SDL2mainopengl32.lib /subsystem:console +``` + +## Linux and similar Unixes + +Use our Makefile or directly: +``` +c++ `sdl3-config --cflags` -I .. -I ../.. -I ../../backends + main.cpp ../../backends/imgui_impl_sdl3.cpp ../../backends/imgui_impl_opengl3.cpp ../../imgui*.cpp + `sdl3-config --libs` -lGL -ldl +``` + +## macOS + +Use our Makefile or directly: +``` +brew install sdl3 +c++ `sdl3-config --cflags` -I .. -I ../.. -I ../../backends + main.cpp ../../backends/imgui_impl_sdl3.cpp ../../backends/imgui_impl_opengl3.cpp ../../imgui*.cpp + `sdl3-config --libs` -framework OpenGl -framework CoreFoundation +``` + +## Emscripten + +As of 2023-05-30 Emscripten doesn't support SDL3 yet. diff --git a/src/imgui/examples/example_sdl3_opengl3/build_win32.bat b/src/imgui/examples/example_sdl3_opengl3/build_win32.bat new file mode 100644 index 0000000..5b8d5f8 --- /dev/null +++ b/src/imgui/examples/example_sdl3_opengl3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_sdl3_opengl3/main.cpp b/src/imgui/examples/example_sdl3_opengl3/main.cpp new file mode 100644 index 0000000..da12589 --- /dev/null +++ b/src/imgui/examples/example_sdl3_opengl3/main.cpp @@ -0,0 +1,207 @@ +// Dear ImGui: standalone example application for SDL3 + OpenGL +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_sdl3.h" +#include "imgui_impl_opengl3.h" +#include <stdio.h> +#include <SDL3/SDL.h> +#if defined(IMGUI_IMPL_OPENGL_ES2) +#include <SDL3/SDL_opengles2.h> +#else +#include <SDL3/SDL_opengl.h> +#endif + +// This example doesn't compile with Emscripten yet! Awaiting SDL3 support. +#ifdef __EMSCRIPTEN__ +#include "../libs/emscripten/emscripten_mainloop_stub.h" +#endif + +// Main code +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMEPAD) != 0) + { + printf("Error: SDL_Init(): %s\n", SDL_GetError()); + return -1; + } + + // Decide GL+GLSL versions +#if defined(IMGUI_IMPL_OPENGL_ES2) + // GL ES 2.0 + GLSL 100 + const char* glsl_version = "#version 100"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); +#elif defined(__APPLE__) + // GL 3.2 Core + GLSL 150 + const char* glsl_version = "#version 150"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); // Always required on Mac + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); +#else + // GL 3.0 + GLSL 130 + const char* glsl_version = "#version 130"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); +#endif + + // Enable native IME. + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); + + // Create window with graphics context + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + Uint32 window_flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN; + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+OpenGL3 example", 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED); + SDL_GLContext gl_context = SDL_GL_CreateContext(window); + SDL_GL_MakeCurrent(window, gl_context); + SDL_GL_SetSwapInterval(1); // Enable vsync + SDL_ShowWindow(window); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL3_InitForOpenGL(window, gl_context); + ImGui_ImplOpenGL3_Init(glsl_version); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Our Emscripten build process allows embedding fonts to be accessible at runtime from the "fonts/" folder. See Makefile.emscripten for details. + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; +#ifdef __EMSCRIPTEN__ + // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. + // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. + io.IniFilename = nullptr; + EMSCRIPTEN_MAINLOOP_BEGIN +#else + while (!done) +#endif + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL3_ProcessEvent(&event); + if (event.type == SDL_EVENT_QUIT) + done = true; + if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplSDL3_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + SDL_GL_SwapWindow(window); + } +#ifdef __EMSCRIPTEN__ + EMSCRIPTEN_MAINLOOP_END; +#endif + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplSDL3_Shutdown(); + ImGui::DestroyContext(); + + SDL_GL_DeleteContext(gl_context); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_sdl3_sdlrenderer3/Makefile b/src/imgui/examples/example_sdl3_sdlrenderer3/Makefile new file mode 100644 index 0000000..d0a73bf --- /dev/null +++ b/src/imgui/examples/example_sdl3_sdlrenderer3/Makefile @@ -0,0 +1,73 @@ +# +# Cross Platform Makefile +# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X +# +# You will need SDL3 (http://www.libsdl.org) which is still unreleased/unpackaged. + +#CXX = g++ +#CXX = clang++ + +EXE = example_sdl3_sdlrenderer3 +IMGUI_DIR = ../.. +SOURCES = main.cpp +SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp +SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl3.cpp $(IMGUI_DIR)/backends/imgui_impl_sdlrenderer3.cpp +OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) +UNAME_S := $(shell uname -s) +LINUX_GL_LIBS = -lGL + +CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends +CXXFLAGS += -g -Wall -Wformat +LIBS = + +##--------------------------------------------------------------------- +## BUILD FLAGS PER PLATFORM +##--------------------------------------------------------------------- + +ifeq ($(UNAME_S), Linux) #LINUX + ECHO_MESSAGE = "Linux" + LIBS += -ldl `sdl3-config --libs` + + CXXFLAGS += `sdl3-config --cflags` + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(UNAME_S), Darwin) #APPLE + ECHO_MESSAGE = "Mac OS X" + LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl3-config --libs` + LIBS += -L/usr/local/lib -L/opt/local/lib + + CXXFLAGS += `sdl3-config --cflags` + CXXFLAGS += -I/usr/local/include -I/opt/local/include + CFLAGS = $(CXXFLAGS) +endif + +ifeq ($(OS), Windows_NT) + ECHO_MESSAGE = "MinGW" + LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl3` + + CXXFLAGS += `pkg-config --cflags sdl3` + CFLAGS = $(CXXFLAGS) +endif + +##--------------------------------------------------------------------- +## BUILD RULES +##--------------------------------------------------------------------- + +%.o:%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +%.o:$(IMGUI_DIR)/backends/%.cpp + $(CXX) $(CXXFLAGS) -c -o $@ $< + +all: $(EXE) + @echo Build complete for $(ECHO_MESSAGE) + +$(EXE): $(OBJS) + $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) + +clean: + rm -f $(EXE) $(OBJS) diff --git a/src/imgui/examples/example_sdl3_sdlrenderer3/build_win32.bat b/src/imgui/examples/example_sdl3_sdlrenderer3/build_win32.bat new file mode 100644 index 0000000..7bc131a --- /dev/null +++ b/src/imgui/examples/example_sdl3_sdlrenderer3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_sdl3_sdlrenderer3/main.cpp b/src/imgui/examples/example_sdl3_sdlrenderer3/main.cpp new file mode 100644 index 0000000..9740054 --- /dev/null +++ b/src/imgui/examples/example_sdl3_sdlrenderer3/main.cpp @@ -0,0 +1,178 @@ +// Dear ImGui: standalone example application for SDL3 + SDL_Renderer +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// Important to understand: SDL_Renderer is an _optional_ component of SDL3. +// For a multi-platform app consider using e.g. SDL+DirectX on Windows and SDL+OpenGL on Linux/OSX. + +#include "imgui.h" +#include "imgui_impl_sdl3.h" +#include "imgui_impl_sdlrenderer3.h" +#include <stdio.h> +#include <SDL3/SDL.h> +#if defined(IMGUI_IMPL_OPENGL_ES2) +#include <SDL3/SDL_opengles2.h> +#else +#include <SDL3/SDL_opengl.h> +#endif + +// Main code +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMEPAD) != 0) + { + printf("Error: SDL_Init(): %s\n", SDL_GetError()); + return -1; + } + + // Enable native IME. + SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); + + // Create window with SDL_Renderer graphics context + Uint32 window_flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN; + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_Renderer example", 1280, 720, window_flags); + if (window == nullptr) + { + printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError()); + return -1; + } + SDL_Renderer* renderer = SDL_CreateRenderer(window, nullptr, SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED); + if (renderer == nullptr) + { + SDL_Log("Error: SDL_CreateRenderer(): %s\n", SDL_GetError()); + return -1; + } + SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED); + SDL_ShowWindow(window); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplSDL3_InitForSDLRenderer(window, renderer); + ImGui_ImplSDLRenderer3_Init(renderer); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Our Emscripten build process allows embedding fonts to be accessible at runtime from the "fonts/" folder. See Makefile.emscripten for details. + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; +#ifdef __EMSCRIPTEN__ + // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. + // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. + io.IniFilename = nullptr; + EMSCRIPTEN_MAINLOOP_BEGIN +#else + while (!done) +#endif + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL3_ProcessEvent(&event); + if (event.type == SDL_EVENT_QUIT) + done = true; + if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplSDLRenderer3_NewFrame(); + ImGui_ImplSDL3_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + //SDL_RenderSetScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y); + SDL_SetRenderDrawColor(renderer, (Uint8)(clear_color.x * 255), (Uint8)(clear_color.y * 255), (Uint8)(clear_color.z * 255), (Uint8)(clear_color.w * 255)); + SDL_RenderClear(renderer); + ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData()); + SDL_RenderPresent(renderer); + } + + // Cleanup + ImGui_ImplSDLRenderer3_Shutdown(); + ImGui_ImplSDL3_Shutdown(); + ImGui::DestroyContext(); + + SDL_DestroyRenderer(renderer); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/src/imgui/examples/example_win32_directx10/build_win32.bat b/src/imgui/examples/example_win32_directx10/build_win32.bat new file mode 100644 index 0000000..78a6e37 --- /dev/null +++ b/src/imgui/examples/example_win32_directx10/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_win32_directx10/main.cpp b/src/imgui/examples/example_win32_directx10/main.cpp new file mode 100644 index 0000000..94d5e02 --- /dev/null +++ b/src/imgui/examples/example_win32_directx10/main.cpp @@ -0,0 +1,259 @@ +// Dear ImGui: standalone example application for DirectX 10 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_win32.h" +#include "imgui_impl_dx10.h" +#include <d3d10_1.h> +#include <d3d10.h> +#include <tchar.h> + +// Data +static ID3D10Device* g_pd3dDevice = nullptr; +static IDXGISwapChain* g_pSwapChain = nullptr; +static UINT g_ResizeWidth = 0, g_ResizeHeight = 0; +static ID3D10RenderTargetView* g_mainRenderTargetView = nullptr; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + //ImGui_ImplWin32_EnableDpiAwareness(); + WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; + ::RegisterClassExW(&wc); + HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX10 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX10_Init(g_pd3dDevice); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle messages (inputs, window resize, etc.) + // See the WndProc() function below for our to dispatch events to the Win32 backend. + MSG msg; + while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + if (msg.message == WM_QUIT) + done = true; + } + if (done) + break; + + // Handle window resize (we don't resize directly in the WM_SIZE handler) + if (g_ResizeWidth != 0 && g_ResizeHeight != 0) + { + CleanupRenderTarget(); + g_pSwapChain->ResizeBuffers(0, g_ResizeWidth, g_ResizeHeight, DXGI_FORMAT_UNKNOWN, 0); + g_ResizeWidth = g_ResizeHeight = 0; + CreateRenderTarget(); + } + + // Start the Dear ImGui frame + ImGui_ImplDX10_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; + g_pd3dDevice->OMSetRenderTargets(1, &g_mainRenderTargetView, nullptr); + g_pd3dDevice->ClearRenderTargetView(g_mainRenderTargetView, clear_color_with_alpha); + ImGui_ImplDX10_RenderDrawData(ImGui::GetDrawData()); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + } + + ImGui_ImplDX10_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC sd; + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = 2; + sd.BufferDesc.Width = 0; + sd.BufferDesc.Height = 0; + sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.BufferDesc.RefreshRate.Numerator = 60; + sd.BufferDesc.RefreshRate.Denominator = 1; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.OutputWindow = hWnd; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.Windowed = TRUE; + sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + + UINT createDeviceFlags = 0; + //createDeviceFlags |= D3D10_CREATE_DEVICE_DEBUG; + HRESULT res = D3D10CreateDeviceAndSwapChain(nullptr, D3D10_DRIVER_TYPE_HARDWARE, nullptr, createDeviceFlags, D3D10_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice); + if (res == DXGI_ERROR_UNSUPPORTED) // Try high-performance WARP software driver if hardware is not available. + res = D3D10CreateDeviceAndSwapChain(nullptr, D3D10_DRIVER_TYPE_WARP, nullptr, createDeviceFlags, D3D10_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice); + if (res != S_OK) + return false; + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = nullptr; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } +} + +void CreateRenderTarget() +{ + ID3D10Texture2D* pBackBuffer; + g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, &g_mainRenderTargetView); + pBackBuffer->Release(); +} + +void CleanupRenderTarget() +{ + if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = nullptr; } +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (wParam == SIZE_MINIMIZED) + return 0; + g_ResizeWidth = (UINT)LOWORD(lParam); // Queue resize + g_ResizeHeight = (UINT)HIWORD(lParam); + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProcW(hWnd, msg, wParam, lParam); +} diff --git a/src/imgui/examples/example_win32_directx11/build_win32.bat b/src/imgui/examples/example_win32_directx11/build_win32.bat new file mode 100644 index 0000000..c9a717c --- /dev/null +++ b/src/imgui/examples/example_win32_directx11/build_win32.bat @@ -0,0 +1,9 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_win32_directx11/main.cpp b/src/imgui/examples/example_win32_directx11/main.cpp new file mode 100644 index 0000000..19422c1 --- /dev/null +++ b/src/imgui/examples/example_win32_directx11/main.cpp @@ -0,0 +1,263 @@ +// Dear ImGui: standalone example application for DirectX 11 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_win32.h" +#include "imgui_impl_dx11.h" +#include <d3d11.h> +#include <tchar.h> + +// Data +static ID3D11Device* g_pd3dDevice = nullptr; +static ID3D11DeviceContext* g_pd3dDeviceContext = nullptr; +static IDXGISwapChain* g_pSwapChain = nullptr; +static UINT g_ResizeWidth = 0, g_ResizeHeight = 0; +static ID3D11RenderTargetView* g_mainRenderTargetView = nullptr; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + //ImGui_ImplWin32_EnableDpiAwareness(); + WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; + ::RegisterClassExW(&wc); + HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX11 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle messages (inputs, window resize, etc.) + // See the WndProc() function below for our to dispatch events to the Win32 backend. + MSG msg; + while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + if (msg.message == WM_QUIT) + done = true; + } + if (done) + break; + + // Handle window resize (we don't resize directly in the WM_SIZE handler) + if (g_ResizeWidth != 0 && g_ResizeHeight != 0) + { + CleanupRenderTarget(); + g_pSwapChain->ResizeBuffers(0, g_ResizeWidth, g_ResizeHeight, DXGI_FORMAT_UNKNOWN, 0); + g_ResizeWidth = g_ResizeHeight = 0; + CreateRenderTarget(); + } + + // Start the Dear ImGui frame + ImGui_ImplDX11_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; + g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, nullptr); + g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, clear_color_with_alpha); + ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData()); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + } + + // Cleanup + ImGui_ImplDX11_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC sd; + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = 2; + sd.BufferDesc.Width = 0; + sd.BufferDesc.Height = 0; + sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.BufferDesc.RefreshRate.Numerator = 60; + sd.BufferDesc.RefreshRate.Denominator = 1; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.OutputWindow = hWnd; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.Windowed = TRUE; + sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + + UINT createDeviceFlags = 0; + //createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG; + D3D_FEATURE_LEVEL featureLevel; + const D3D_FEATURE_LEVEL featureLevelArray[2] = { D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, }; + HRESULT res = D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext); + if (res == DXGI_ERROR_UNSUPPORTED) // Try high-performance WARP software driver if hardware is not available. + res = D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_WARP, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext); + if (res != S_OK) + return false; + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = nullptr; } + if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = nullptr; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } +} + +void CreateRenderTarget() +{ + ID3D11Texture2D* pBackBuffer; + g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, &g_mainRenderTargetView); + pBackBuffer->Release(); +} + +void CleanupRenderTarget() +{ + if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = nullptr; } +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (wParam == SIZE_MINIMIZED) + return 0; + g_ResizeWidth = (UINT)LOWORD(lParam); // Queue resize + g_ResizeHeight = (UINT)HIWORD(lParam); + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProcW(hWnd, msg, wParam, lParam); +} diff --git a/src/imgui/examples/example_win32_directx12/build_win32.bat b/src/imgui/examples/example_win32_directx12/build_win32.bat new file mode 100644 index 0000000..68e3c92 --- /dev/null +++ b/src/imgui/examples/example_win32_directx12/build_win32.bat @@ -0,0 +1,9 @@ +@REM Build for Visual Studio compiler. 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\ No newline at end of file diff --git a/src/imgui/examples/example_win32_directx12/main.cpp b/src/imgui/examples/example_win32_directx12/main.cpp new file mode 100644 index 0000000..b146129 --- /dev/null +++ b/src/imgui/examples/example_win32_directx12/main.cpp @@ -0,0 +1,470 @@ +// Dear ImGui: standalone example application for DirectX 12 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// Important: to compile on 32-bit systems, the DirectX12 backend requires code to be compiled with '#define ImTextureID ImU64'. +// This is because we need ImTextureID to carry a 64-bit value and by default ImTextureID is defined as void*. +// This define is set in the example .vcxproj file and need to be replicated in your app or by adding it to your imconfig.h file. + +#include "imgui.h" +#include "imgui_impl_win32.h" +#include "imgui_impl_dx12.h" +#include <d3d12.h> +#include <dxgi1_4.h> +#include <tchar.h> + +#ifdef _DEBUG +#define DX12_ENABLE_DEBUG_LAYER +#endif + +#ifdef DX12_ENABLE_DEBUG_LAYER +#include <dxgidebug.h> +#pragma comment(lib, "dxguid.lib") +#endif + +struct FrameContext +{ + ID3D12CommandAllocator* CommandAllocator; + UINT64 FenceValue; +}; + +// Data +static int const NUM_FRAMES_IN_FLIGHT = 3; +static FrameContext g_frameContext[NUM_FRAMES_IN_FLIGHT] = {}; +static UINT g_frameIndex = 0; + +static int const NUM_BACK_BUFFERS = 3; +static ID3D12Device* g_pd3dDevice = nullptr; +static ID3D12DescriptorHeap* g_pd3dRtvDescHeap = nullptr; +static ID3D12DescriptorHeap* g_pd3dSrvDescHeap = nullptr; +static ID3D12CommandQueue* g_pd3dCommandQueue = nullptr; +static ID3D12GraphicsCommandList* g_pd3dCommandList = nullptr; +static ID3D12Fence* g_fence = nullptr; +static HANDLE g_fenceEvent = nullptr; +static UINT64 g_fenceLastSignaledValue = 0; +static IDXGISwapChain3* g_pSwapChain = nullptr; +static HANDLE g_hSwapChainWaitableObject = nullptr; +static ID3D12Resource* g_mainRenderTargetResource[NUM_BACK_BUFFERS] = {}; +static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[NUM_BACK_BUFFERS] = {}; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); +void WaitForLastSubmittedFrame(); +FrameContext* WaitForNextFrameResources(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + //ImGui_ImplWin32_EnableDpiAwareness(); + WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; + ::RegisterClassExW(&wc); + HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX12 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT, + DXGI_FORMAT_R8G8B8A8_UNORM, g_pd3dSrvDescHeap, + g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(), + g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart()); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle messages (inputs, window resize, etc.) + // See the WndProc() function below for our to dispatch events to the Win32 backend. + MSG msg; + while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + if (msg.message == WM_QUIT) + done = true; + } + if (done) + break; + + // Start the Dear ImGui frame + ImGui_ImplDX12_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + + FrameContext* frameCtx = WaitForNextFrameResources(); + UINT backBufferIdx = g_pSwapChain->GetCurrentBackBufferIndex(); + frameCtx->CommandAllocator->Reset(); + + D3D12_RESOURCE_BARRIER barrier = {}; + barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION; + barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE; + barrier.Transition.pResource = g_mainRenderTargetResource[backBufferIdx]; + barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES; + barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT; + barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET; + g_pd3dCommandList->Reset(frameCtx->CommandAllocator, nullptr); + g_pd3dCommandList->ResourceBarrier(1, &barrier); + + // Render Dear ImGui graphics + const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; + g_pd3dCommandList->ClearRenderTargetView(g_mainRenderTargetDescriptor[backBufferIdx], clear_color_with_alpha, 0, nullptr); + g_pd3dCommandList->OMSetRenderTargets(1, &g_mainRenderTargetDescriptor[backBufferIdx], FALSE, nullptr); + g_pd3dCommandList->SetDescriptorHeaps(1, &g_pd3dSrvDescHeap); + ImGui_ImplDX12_RenderDrawData(ImGui::GetDrawData(), g_pd3dCommandList); + barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET; + barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT; + g_pd3dCommandList->ResourceBarrier(1, &barrier); + g_pd3dCommandList->Close(); + + g_pd3dCommandQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*)&g_pd3dCommandList); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + + UINT64 fenceValue = g_fenceLastSignaledValue + 1; + g_pd3dCommandQueue->Signal(g_fence, fenceValue); + g_fenceLastSignaledValue = fenceValue; + frameCtx->FenceValue = fenceValue; + } + + WaitForLastSubmittedFrame(); + + // Cleanup + ImGui_ImplDX12_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC1 sd; + { + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = NUM_BACK_BUFFERS; + sd.Width = 0; + sd.Height = 0; + sd.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD; + sd.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED; + sd.Scaling = DXGI_SCALING_STRETCH; + sd.Stereo = FALSE; + } + + // [DEBUG] Enable debug interface +#ifdef DX12_ENABLE_DEBUG_LAYER + ID3D12Debug* pdx12Debug = nullptr; + if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&pdx12Debug)))) + pdx12Debug->EnableDebugLayer(); +#endif + + // Create device + D3D_FEATURE_LEVEL featureLevel = D3D_FEATURE_LEVEL_11_0; + if (D3D12CreateDevice(nullptr, featureLevel, IID_PPV_ARGS(&g_pd3dDevice)) != S_OK) + return false; + + // [DEBUG] Setup debug interface to break on any warnings/errors +#ifdef DX12_ENABLE_DEBUG_LAYER + if (pdx12Debug != nullptr) + { + ID3D12InfoQueue* pInfoQueue = nullptr; + g_pd3dDevice->QueryInterface(IID_PPV_ARGS(&pInfoQueue)); + pInfoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_ERROR, true); + pInfoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_CORRUPTION, true); + pInfoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_WARNING, true); + pInfoQueue->Release(); + pdx12Debug->Release(); + } +#endif + + { + D3D12_DESCRIPTOR_HEAP_DESC desc = {}; + desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV; + desc.NumDescriptors = NUM_BACK_BUFFERS; + desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE; + desc.NodeMask = 1; + if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dRtvDescHeap)) != S_OK) + return false; + + SIZE_T rtvDescriptorSize = g_pd3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV); + D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = g_pd3dRtvDescHeap->GetCPUDescriptorHandleForHeapStart(); + for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) + { + g_mainRenderTargetDescriptor[i] = rtvHandle; + rtvHandle.ptr += rtvDescriptorSize; + } + } + + { + D3D12_DESCRIPTOR_HEAP_DESC desc = {}; + desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV; + desc.NumDescriptors = 1; + desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE; + if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dSrvDescHeap)) != S_OK) + return false; + } + + { + D3D12_COMMAND_QUEUE_DESC desc = {}; + desc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT; + desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE; + desc.NodeMask = 1; + if (g_pd3dDevice->CreateCommandQueue(&desc, IID_PPV_ARGS(&g_pd3dCommandQueue)) != S_OK) + return false; + } + + for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++) + if (g_pd3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&g_frameContext[i].CommandAllocator)) != S_OK) + return false; + + if (g_pd3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, g_frameContext[0].CommandAllocator, nullptr, IID_PPV_ARGS(&g_pd3dCommandList)) != S_OK || + g_pd3dCommandList->Close() != S_OK) + return false; + + if (g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&g_fence)) != S_OK) + return false; + + g_fenceEvent = CreateEvent(nullptr, FALSE, FALSE, nullptr); + if (g_fenceEvent == nullptr) + return false; + + { + IDXGIFactory4* dxgiFactory = nullptr; + IDXGISwapChain1* swapChain1 = nullptr; + if (CreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory)) != S_OK) + return false; + if (dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, nullptr, nullptr, &swapChain1) != S_OK) + return false; + if (swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain)) != S_OK) + return false; + swapChain1->Release(); + dxgiFactory->Release(); + g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS); + g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject(); + } + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->SetFullscreenState(false, nullptr); g_pSwapChain->Release(); g_pSwapChain = nullptr; } + if (g_hSwapChainWaitableObject != nullptr) { CloseHandle(g_hSwapChainWaitableObject); } + for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++) + if (g_frameContext[i].CommandAllocator) { g_frameContext[i].CommandAllocator->Release(); g_frameContext[i].CommandAllocator = nullptr; } + if (g_pd3dCommandQueue) { g_pd3dCommandQueue->Release(); g_pd3dCommandQueue = nullptr; } + if (g_pd3dCommandList) { g_pd3dCommandList->Release(); g_pd3dCommandList = nullptr; } + if (g_pd3dRtvDescHeap) { g_pd3dRtvDescHeap->Release(); g_pd3dRtvDescHeap = nullptr; } + if (g_pd3dSrvDescHeap) { g_pd3dSrvDescHeap->Release(); g_pd3dSrvDescHeap = nullptr; } + if (g_fence) { g_fence->Release(); g_fence = nullptr; } + if (g_fenceEvent) { CloseHandle(g_fenceEvent); g_fenceEvent = nullptr; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } + +#ifdef DX12_ENABLE_DEBUG_LAYER + IDXGIDebug1* pDebug = nullptr; + if (SUCCEEDED(DXGIGetDebugInterface1(0, IID_PPV_ARGS(&pDebug)))) + { + pDebug->ReportLiveObjects(DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_SUMMARY); + pDebug->Release(); + } +#endif +} + +void CreateRenderTarget() +{ + for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) + { + ID3D12Resource* pBackBuffer = nullptr; + g_pSwapChain->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, g_mainRenderTargetDescriptor[i]); + g_mainRenderTargetResource[i] = pBackBuffer; + } +} + +void CleanupRenderTarget() +{ + WaitForLastSubmittedFrame(); + + for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) + if (g_mainRenderTargetResource[i]) { g_mainRenderTargetResource[i]->Release(); g_mainRenderTargetResource[i] = nullptr; } +} + +void WaitForLastSubmittedFrame() +{ + FrameContext* frameCtx = &g_frameContext[g_frameIndex % NUM_FRAMES_IN_FLIGHT]; + + UINT64 fenceValue = frameCtx->FenceValue; + if (fenceValue == 0) + return; // No fence was signaled + + frameCtx->FenceValue = 0; + if (g_fence->GetCompletedValue() >= fenceValue) + return; + + g_fence->SetEventOnCompletion(fenceValue, g_fenceEvent); + WaitForSingleObject(g_fenceEvent, INFINITE); +} + +FrameContext* WaitForNextFrameResources() +{ + UINT nextFrameIndex = g_frameIndex + 1; + g_frameIndex = nextFrameIndex; + + HANDLE waitableObjects[] = { g_hSwapChainWaitableObject, nullptr }; + DWORD numWaitableObjects = 1; + + FrameContext* frameCtx = &g_frameContext[nextFrameIndex % NUM_FRAMES_IN_FLIGHT]; + UINT64 fenceValue = frameCtx->FenceValue; + if (fenceValue != 0) // means no fence was signaled + { + frameCtx->FenceValue = 0; + g_fence->SetEventOnCompletion(fenceValue, g_fenceEvent); + waitableObjects[1] = g_fenceEvent; + numWaitableObjects = 2; + } + + WaitForMultipleObjects(numWaitableObjects, waitableObjects, TRUE, INFINITE); + + return frameCtx; +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (g_pd3dDevice != nullptr && wParam != SIZE_MINIMIZED) + { + WaitForLastSubmittedFrame(); + CleanupRenderTarget(); + HRESULT result = g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT); + assert(SUCCEEDED(result) && "Failed to resize swapchain."); + CreateRenderTarget(); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProcW(hWnd, msg, wParam, lParam); +} diff --git a/src/imgui/examples/example_win32_directx9/build_win32.bat b/src/imgui/examples/example_win32_directx9/build_win32.bat new file mode 100644 index 0000000..ece5ea1 --- /dev/null +++ b/src/imgui/examples/example_win32_directx9/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +@set OUT_DIR=Debug +@set OUT_EXE=example_win32_directx9 +@set INCLUDES=/I..\.. /I..\..\backends /I "%DXSDK_DIR%/Include" +@set SOURCES=main.cpp ..\..\backends\imgui_impl_dx9.cpp ..\..\backends\imgui_impl_win32.cpp ..\..\imgui*.cpp +@set LIBS=/LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d9.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 %INCLUDES% /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% diff --git a/src/imgui/examples/example_win32_directx9/example_win32_directx9.vcxproj b/src/imgui/examples/example_win32_directx9/example_win32_directx9.vcxproj new file mode 100644 index 0000000..8c3f995 --- /dev/null +++ b/src/imgui/examples/example_win32_directx9/example_win32_directx9.vcxproj @@ -0,0 +1,176 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration Include="Debug|Win32"> + <Configuration>Debug</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Debug|x64"> + <Configuration>Debug</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|Win32"> + <Configuration>Release</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|x64"> + <Configuration>Release</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + </ItemGroup> + <PropertyGroup Label="Globals"> + <ProjectGuid>{4165A294-21F2-44CA-9B38-E3F935ABADF5}</ProjectGuid> + <RootNamespace>example_win32_directx9</RootNamespace> + <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" 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\ No newline at end of file diff --git a/src/imgui/examples/example_win32_directx9/main.cpp b/src/imgui/examples/example_win32_directx9/main.cpp new file mode 100644 index 0000000..f36b3ea --- /dev/null +++ b/src/imgui/examples/example_win32_directx9/main.cpp @@ -0,0 +1,250 @@ +// Dear ImGui: standalone example application for DirectX 9 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +#include "imgui.h" +#include "imgui_impl_dx9.h" +#include "imgui_impl_win32.h" +#include <d3d9.h> +#include <tchar.h> + +// Data +static LPDIRECT3D9 g_pD3D = nullptr; +static LPDIRECT3DDEVICE9 g_pd3dDevice = nullptr; +static UINT g_ResizeWidth = 0, g_ResizeHeight = 0; +static D3DPRESENT_PARAMETERS g_d3dpp = {}; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void ResetDevice(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + //ImGui_ImplWin32_EnableDpiAwareness(); + WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; + ::RegisterClassExW(&wc); + HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsLight(); + + // Setup Platform/Renderer backends + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX9_Init(g_pd3dDevice); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle messages (inputs, window resize, etc.) + // See the WndProc() function below for our to dispatch events to the Win32 backend. + MSG msg; + while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + if (msg.message == WM_QUIT) + done = true; + } + if (done) + break; + + // Handle window resize (we don't resize directly in the WM_SIZE handler) + if (g_ResizeWidth != 0 && g_ResizeHeight != 0) + { + g_d3dpp.BackBufferWidth = g_ResizeWidth; + g_d3dpp.BackBufferHeight = g_ResizeHeight; + g_ResizeWidth = g_ResizeHeight = 0; + ResetDevice(); + } + + // Start the Dear ImGui frame + ImGui_ImplDX9_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::EndFrame(); + g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE); + D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_color.x*clear_color.w*255.0f), (int)(clear_color.y*clear_color.w*255.0f), (int)(clear_color.z*clear_color.w*255.0f), (int)(clear_color.w*255.0f)); + g_pd3dDevice->Clear(0, nullptr, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0); + if (g_pd3dDevice->BeginScene() >= 0) + { + ImGui::Render(); + ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData()); + g_pd3dDevice->EndScene(); + } + HRESULT result = g_pd3dDevice->Present(nullptr, nullptr, nullptr, nullptr); + + // Handle loss of D3D9 device + if (result == D3DERR_DEVICELOST && g_pd3dDevice->TestCooperativeLevel() == D3DERR_DEVICENOTRESET) + ResetDevice(); + } + + ImGui_ImplDX9_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + if ((g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == nullptr) + return false; + + // Create the D3DDevice + ZeroMemory(&g_d3dpp, sizeof(g_d3dpp)); + g_d3dpp.Windowed = TRUE; + g_d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; + g_d3dpp.BackBufferFormat = D3DFMT_UNKNOWN; // Need to use an explicit format with alpha if needing per-pixel alpha composition. + g_d3dpp.EnableAutoDepthStencil = TRUE; + g_d3dpp.AutoDepthStencilFormat = D3DFMT_D16; + g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE; // Present with vsync + //g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE; // Present without vsync, maximum unthrottled framerate + if (g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) < 0) + return false; + + return true; +} + +void CleanupDeviceD3D() +{ + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } + if (g_pD3D) { g_pD3D->Release(); g_pD3D = nullptr; } +} + +void ResetDevice() +{ + ImGui_ImplDX9_InvalidateDeviceObjects(); + HRESULT hr = g_pd3dDevice->Reset(&g_d3dpp); + if (hr == D3DERR_INVALIDCALL) + IM_ASSERT(0); + ImGui_ImplDX9_CreateDeviceObjects(); +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (wParam == SIZE_MINIMIZED) + return 0; + g_ResizeWidth = (UINT)LOWORD(lParam); // Queue resize + g_ResizeHeight = (UINT)HIWORD(lParam); + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProcW(hWnd, msg, wParam, lParam); +} diff --git a/src/imgui/examples/example_win32_opengl3/build_win32.bat b/src/imgui/examples/example_win32_opengl3/build_win32.bat new file mode 100644 index 0000000..48df080 --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +@set OUT_DIR=Debug +@set OUT_EXE=example_win32_opengl3 +@set INCLUDES=/I..\.. /I..\..\backends +@set SOURCES=main.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\backends\imgui_impl_win32.cpp ..\..\imgui*.cpp +@set LIBS=opengl32.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 %INCLUDES% /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% diff --git a/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj b/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj new file mode 100644 index 0000000..98fc38f --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj @@ -0,0 +1,176 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration 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\ No newline at end of file diff --git a/src/imgui/examples/example_win32_opengl3/main.cpp b/src/imgui/examples/example_win32_opengl3/main.cpp new file mode 100644 index 0000000..594931d --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/main.cpp @@ -0,0 +1,238 @@ +// Dear ImGui: standalone example application for Win32 + OpenGL 3 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// This is provided for completeness, however it is strongly recommended you use OpenGL with SDL or GLFW. + +#include "imgui.h" +#include "imgui_impl_opengl3.h" +#include "imgui_impl_win32.h" +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#include <GL/GL.h> +#include <tchar.h> + +// Data stored per platform window +struct WGL_WindowData { HDC hDC; }; + +// Data +static HGLRC g_hRC; +static WGL_WindowData g_MainWindow; +static int g_Width; +static int g_Height; + +// Forward declarations of helper functions +bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data); +void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data); +void ResetDeviceWGL(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + //ImGui_ImplWin32_EnableDpiAwareness(); + WNDCLASSEXW wc = { sizeof(wc), CS_OWNDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; + ::RegisterClassExW(&wc); + HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+OpenGL3 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); + + // Initialize OpenGL + if (!CreateDeviceWGL(hwnd, &g_MainWindow)) + { + CleanupDeviceWGL(hwnd, &g_MainWindow); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + return 1; + } + wglMakeCurrent(g_MainWindow.hDC, g_hRC); + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer backends + ImGui_ImplWin32_InitForOpenGL(hwnd); + ImGui_ImplOpenGL3_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle messages (inputs, window resize, etc.) + // See the WndProc() function below for our to dispatch events to the Win32 backend. + MSG msg; + while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + if (msg.message == WM_QUIT) + done = true; + } + if (done) + break; + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, g_Width, g_Height); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + + // Present + ::SwapBuffers(g_MainWindow.hDC); + } + + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceWGL(hwnd, &g_MainWindow); + wglDeleteContext(g_hRC); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions +bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data) +{ + HDC hDc = ::GetDC(hWnd); + PIXELFORMATDESCRIPTOR pfd = { 0 }; + pfd.nSize = sizeof(pfd); + pfd.nVersion = 1; + pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; + pfd.iPixelType = PFD_TYPE_RGBA; + pfd.cColorBits = 32; + + const int pf = ::ChoosePixelFormat(hDc, &pfd); + if (pf == 0) + return false; + if (::SetPixelFormat(hDc, pf, &pfd) == FALSE) + return false; + ::ReleaseDC(hWnd, hDc); + + data->hDC = ::GetDC(hWnd); + if (!g_hRC) + g_hRC = wglCreateContext(data->hDC); + return true; +} + +void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data) +{ + wglMakeCurrent(nullptr, nullptr); + ::ReleaseDC(hWnd, data->hDC); +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (wParam != SIZE_MINIMIZED) + { + g_Width = LOWORD(lParam); + g_Height = HIWORD(lParam); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProcW(hWnd, msg, wParam, lParam); +} diff --git a/src/imgui/examples/imgui_examples.sln b/src/imgui/examples/imgui_examples.sln new file mode 100644 index 0000000..071bcbd --- /dev/null +++ b/src/imgui/examples/imgui_examples.sln @@ -0,0 +1,151 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.2.32616.157 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_win32_directx9", "example_win32_directx9\example_win32_directx9.vcxproj", "{4165A294-21F2-44CA-9B38-E3F935ABADF5}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_win32_directx10", "example_win32_directx10\example_win32_directx10.vcxproj", "{345A953E-A004-4648-B442-DC5F9F11068C}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_win32_directx11", "example_win32_directx11\example_win32_directx11.vcxproj", "{9F316E83-5AE5-4939-A723-305A94F48005}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_win32_directx12", "example_win32_directx12\example_win32_directx12.vcxproj", "{B4CF9797-519D-4AFE-A8F4-5141A6B521D3}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_glfw_opengl2", "example_glfw_opengl2\example_glfw_opengl2.vcxproj", "{9CDA7840-B7A5-496D-A527-E95571496D18}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_glfw_opengl3", "example_glfw_opengl3\example_glfw_opengl3.vcxproj", "{4A1FB5EA-22F5-42A8-AB92-1D2DF5D47FB9}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_glfw_vulkan", "example_glfw_vulkan\example_glfw_vulkan.vcxproj", "{57E2DF5A-6FC8-45BB-99DD-91A18C646E80}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl2_directx11", "example_sdl2_directx11\example_sdl2_directx11.vcxproj", "{9E1987E3-1F19-45CA-B9C9-D31E791836D8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl2_opengl2", "example_sdl2_opengl2\example_sdl2_opengl2.vcxproj", "{2AE17FDE-F7F3-4CAC-ADAB-0710EDA4F741}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl2_opengl3", "example_sdl2_opengl3\example_sdl2_opengl3.vcxproj", "{BBAEB705-1669-40F3-8567-04CF6A991F4C}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl2_vulkan", "example_sdl2_vulkan\example_sdl2_vulkan.vcxproj", "{BAE3D0B5-9695-4EB1-AD0F-75890EB4A3B3}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_win32_opengl3", "example_win32_opengl3\example_win32_opengl3.vcxproj", "{C624E5FF-D4FE-4D35-9164-B8A91864F98E}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl2_sdlrenderer2", "example_sdl2_sdlrenderer2\example_sdl2_sdlrenderer2.vcxproj", "{0C0B2BEA-311F-473C-9652-87923EF639E3}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + EndGlobalSection 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{0C0B2BEA-311F-473C-9652-87923EF639E3}.Release|x64.Build.0 = Release|x64 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {B1ACFD20-A0A9-4A4C-ADBA-E7608F0E2BEE} + EndGlobalSection +EndGlobal diff --git a/src/imgui/examples/libs/emscripten/emscripten_mainloop_stub.h b/src/imgui/examples/libs/emscripten/emscripten_mainloop_stub.h new file mode 100644 index 0000000..05cf60f --- /dev/null +++ b/src/imgui/examples/libs/emscripten/emscripten_mainloop_stub.h @@ -0,0 +1,37 @@ +// What does this file solves? +// - Since Dear ImGui 1.00 we took pride that most of our examples applications had their entire +// main-loop inside the main() function. That's because: +// - It makes the examples easier to read, keeping the code sequential. +// - It permit the use of local variables, making it easier to try things and perform quick +// changes when someone needs to quickly test something (vs having to structure the example +// in order to pass data around). This is very important because people use those examples +// to craft easy-to-past repro when they want to discuss features or report issues. +// - It conveys at a glance that this is a no-BS framework, it won't take your main loop away from you. +// - It is generally nice and elegant. +// - However, comes Emscripten... it is a wonderful and magical tech but it requires a "main loop" function. +// - Only some of our examples would run on Emscripten. Typically the ones rendering with GL or WGPU ones. +// - I tried to refactor those examples but felt it was problematic that other examples didn't follow the +// same layout. Why would the SDL+GL example be structured one way and the SGL+DX11 be structured differently? +// Especially as we are trying hard to convey that using a Dear ImGui backend in an *existing application* +// should requires only a few dozens lines of code, and this should be consistent and symmetrical for all backends. +// - So the next logical step was to refactor all examples to follow that layout of using a "main loop" function. +// This worked, but it made us lose all the nice things we had... + +// Since only about 3 examples really need to run with Emscripten, here's our solution: +// - Use some weird macros and capturing lambda to turn a loop in main() into a function. +// - Hide all that crap in this file so it doesn't make our examples unusually ugly. +// As a stance and principle of Dear ImGui development we don't use C++ headers and we don't +// want to suggest to the newcomer that we would ever use C++ headers as this would affect +// the initial judgment of many of our target audience. +// - Technique is based on this idea: https://github.com/ocornut/imgui/pull/2492/ +#ifdef __EMSCRIPTEN__ +#include <emscripten.h> +#include <functional> +static std::function<void()> MainLoopForEmscriptenP; +static void MainLoopForEmscripten() { MainLoopForEmscriptenP(); } +#define EMSCRIPTEN_MAINLOOP_BEGIN MainLoopForEmscriptenP = [&]() +#define EMSCRIPTEN_MAINLOOP_END ; emscripten_set_main_loop(MainLoopForEmscripten, 0, true) +#else +#define EMSCRIPTEN_MAINLOOP_BEGIN +#define EMSCRIPTEN_MAINLOOP_END +#endif diff --git a/src/imgui/examples/libs/emscripten/shell_minimal.html b/src/imgui/examples/libs/emscripten/shell_minimal.html new file mode 100644 index 0000000..bcf6262 --- /dev/null +++ b/src/imgui/examples/libs/emscripten/shell_minimal.html @@ -0,0 +1,65 @@ +<!doctype html> +<html lang="en-us"> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"/> + <title>Dear ImGui Emscripten example</title> + <style> + body { margin: 0; background-color: black } + /* FIXME: with our GLFW example this block seems to break resizing and io.DisplaySize gets stuck */ + .emscripten { + position: absolute; + top: 0px; + left: 0px; + margin: 0px; + border: 0; + width: 100%; + height: 100%; + overflow: hidden; + display: block; + image-rendering: optimizeSpeed; + image-rendering: -moz-crisp-edges; + image-rendering: -o-crisp-edges; + image-rendering: -webkit-optimize-contrast; + image-rendering: optimize-contrast; + image-rendering: crisp-edges; + image-rendering: pixelated; + -ms-interpolation-mode: nearest-neighbor; + } + </style> + </head> + <body> + <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()"></canvas> + <script type='text/javascript'> + var Module = { + preRun: [], + postRun: [], + print: (function() { + return function(text) { + text = Array.prototype.slice.call(arguments).join(' '); + console.log(text); + }; + })(), + printErr: function(text) { + text = Array.prototype.slice.call(arguments).join(' '); + console.error(text); + }, + canvas: (function() { + var canvas = document.getElementById('canvas'); + //canvas.addEventListener("webglcontextlost", function(e) { alert('FIXME: WebGL context lost, please reload the page'); e.preventDefault(); }, false); + return canvas; + })(), + setStatus: function(text) { + console.log("status: " + text); + }, + monitorRunDependencies: function(left) { + // no run dependencies to log + } + }; + window.onerror = function() { + console.log("onerror: " + event); + }; + </script> + {{{ SCRIPT }}} + </body> +</html> diff --git a/src/imgui/examples/libs/glfw/COPYING.txt b/src/imgui/examples/libs/glfw/COPYING.txt new file mode 100644 index 0000000..b30c701 --- /dev/null +++ b/src/imgui/examples/libs/glfw/COPYING.txt @@ -0,0 +1,22 @@ +Copyright (c) 2002-2006 Marcus Geelnard +Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org> + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would + be appreciated but is not required. + +2. Altered source versions must be plainly marked as such, and must not + be misrepresented as being the original software. + +3. This notice may not be removed or altered from any source + distribution. + diff --git a/src/imgui/examples/libs/glfw/include/GLFW/glfw3.h b/src/imgui/examples/libs/glfw/include/GLFW/glfw3.h new file mode 100644 index 0000000..f8ca3d6 --- /dev/null +++ b/src/imgui/examples/libs/glfw/include/GLFW/glfw3.h @@ -0,0 +1,4227 @@ +/************************************************************************* + * GLFW 3.2 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would + * be appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + *************************************************************************/ + +#ifndef _glfw3_h_ +#define _glfw3_h_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/************************************************************************* + * Doxygen documentation + *************************************************************************/ + +/*! @file glfw3.h + * @brief The header of the GLFW 3 API. + * + * This is the header file of the GLFW 3 API. It defines all its types and + * declares all its functions. + * + * For more information about how to use this file, see @ref build_include. + */ +/*! @defgroup context Context reference + * + * This is the reference documentation for OpenGL and OpenGL ES context related + * functions. For more task-oriented information, see the @ref context_guide. + */ +/*! @defgroup vulkan Vulkan reference + * + * This is the reference documentation for Vulkan related functions and types. + * For more task-oriented information, see the @ref vulkan_guide. + */ +/*! @defgroup init Initialization, version and error reference + * + * This is the reference documentation for initialization and termination of + * the library, version management and error handling. For more task-oriented + * information, see the @ref intro_guide. + */ +/*! @defgroup input Input reference + * + * This is the reference documentation for input related functions and types. + * For more task-oriented information, see the @ref input_guide. + */ +/*! @defgroup monitor Monitor reference + * + * This is the reference documentation for monitor related functions and types. + * For more task-oriented information, see the @ref monitor_guide. + */ +/*! @defgroup window Window reference + * + * This is the reference documentation for window related functions and types, + * including creation, deletion and event polling. For more task-oriented + * information, see the @ref window_guide. + */ + + +/************************************************************************* + * Compiler- and platform-specific preprocessor work + *************************************************************************/ + +/* If we are we on Windows, we want a single define for it. + */ +#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__)) + #define _WIN32 +#endif /* _WIN32 */ + +/* It is customary to use APIENTRY for OpenGL function pointer declarations on + * all platforms. Additionally, the Windows OpenGL header needs APIENTRY. + */ +#ifndef APIENTRY + #ifdef _WIN32 + #define APIENTRY __stdcall + #else + #define APIENTRY + #endif +#endif /* APIENTRY */ + +/* Some Windows OpenGL headers need this. + */ +#if !defined(WINGDIAPI) && defined(_WIN32) + #define WINGDIAPI __declspec(dllimport) + #define GLFW_WINGDIAPI_DEFINED +#endif /* WINGDIAPI */ + +/* Some Windows GLU headers need this. + */ +#if !defined(CALLBACK) && defined(_WIN32) + #define CALLBACK __stdcall + #define GLFW_CALLBACK_DEFINED +#endif /* CALLBACK */ + +/* Most Windows GLU headers need wchar_t. + * The OS X OpenGL header blocks the definition of ptrdiff_t by glext.h. + * Include it unconditionally to avoid surprising side-effects. + */ +#include <stddef.h> +#include <stdint.h> + +/* Include the chosen client API headers. + */ +#if defined(__APPLE__) + #if defined(GLFW_INCLUDE_GLCOREARB) + #include <OpenGL/gl3.h> + #if defined(GLFW_INCLUDE_GLEXT) + #include <OpenGL/gl3ext.h> + #endif + #elif !defined(GLFW_INCLUDE_NONE) + #if !defined(GLFW_INCLUDE_GLEXT) + #define GL_GLEXT_LEGACY + #endif + #include <OpenGL/gl.h> + #endif + #if defined(GLFW_INCLUDE_GLU) + #include <OpenGL/glu.h> + #endif +#else + #if defined(GLFW_INCLUDE_GLCOREARB) + #include <GL/glcorearb.h> + #elif defined(GLFW_INCLUDE_ES1) + #include <GLES/gl.h> + #if defined(GLFW_INCLUDE_GLEXT) + #include <GLES/glext.h> + #endif + #elif defined(GLFW_INCLUDE_ES2) + #include <GLES2/gl2.h> + #if defined(GLFW_INCLUDE_GLEXT) + #include <GLES2/gl2ext.h> + #endif + #elif defined(GLFW_INCLUDE_ES3) + #include <GLES3/gl3.h> + #if defined(GLFW_INCLUDE_GLEXT) + #include <GLES2/gl2ext.h> + #endif + #elif defined(GLFW_INCLUDE_ES31) + #include <GLES3/gl31.h> + #if defined(GLFW_INCLUDE_GLEXT) + #include <GLES2/gl2ext.h> + #endif + #elif defined(GLFW_INCLUDE_VULKAN) + #include <vulkan/vulkan.h> + #elif !defined(GLFW_INCLUDE_NONE) + #include <GL/gl.h> + #if defined(GLFW_INCLUDE_GLEXT) + #include <GL/glext.h> + #endif + #endif + #if defined(GLFW_INCLUDE_GLU) + #include <GL/glu.h> + #endif +#endif + +#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL) + /* GLFW_DLL must be defined by applications that are linking against the DLL + * version of the GLFW library. _GLFW_BUILD_DLL is defined by the GLFW + * configuration header when compiling the DLL version of the library. + */ + #error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined" +#endif + +/* GLFWAPI is used to declare public API functions for export + * from the DLL / shared library / dynamic library. + */ +#if defined(_WIN32) && defined(_GLFW_BUILD_DLL) + /* We are building GLFW as a Win32 DLL */ + #define GLFWAPI __declspec(dllexport) +#elif defined(_WIN32) && defined(GLFW_DLL) + /* We are calling GLFW as a Win32 DLL */ + #define GLFWAPI __declspec(dllimport) +#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL) + /* We are building GLFW as a shared / dynamic library */ + #define GLFWAPI __attribute__((visibility("default"))) +#else + /* We are building or calling GLFW as a static library */ + #define GLFWAPI +#endif + + +/************************************************************************* + * GLFW API tokens + *************************************************************************/ + +/*! @name GLFW version macros + * @{ */ +/*! @brief The major version number of the GLFW library. + * + * This is incremented when the API is changed in non-compatible ways. + * @ingroup init + */ +#define GLFW_VERSION_MAJOR 3 +/*! @brief The minor version number of the GLFW library. + * + * This is incremented when features are added to the API but it remains + * backward-compatible. + * @ingroup init + */ +#define GLFW_VERSION_MINOR 2 +/*! @brief The revision number of the GLFW library. + * + * This is incremented when a bug fix release is made that does not contain any + * API changes. + * @ingroup init + */ +#define GLFW_VERSION_REVISION 0 +/*! @} */ + +/*! @name Boolean values + * @{ */ +/*! @brief One. + * + * One. Seriously. You don't _need_ to use this symbol in your code. It's + * just semantic sugar for the number 1. You can use `1` or `true` or `_True` + * or `GL_TRUE` or whatever you want. + */ +#define GLFW_TRUE 1 +/*! @brief Zero. + * + * Zero. Seriously. You don't _need_ to use this symbol in your code. It's + * just just semantic sugar for the number 0. You can use `0` or `false` or + * `_False` or `GL_FALSE` or whatever you want. + */ +#define GLFW_FALSE 0 +/*! @} */ + +/*! @name Key and button actions + * @{ */ +/*! @brief The key or mouse button was released. + * + * The key or mouse button was released. + * + * @ingroup input + */ +#define GLFW_RELEASE 0 +/*! @brief The key or mouse button was pressed. + * + * The key or mouse button was pressed. + * + * @ingroup input + */ +#define GLFW_PRESS 1 +/*! @brief The key was held down until it repeated. + * + * The key was held down until it repeated. + * + * @ingroup input + */ +#define GLFW_REPEAT 2 +/*! @} */ + +/*! @defgroup keys Keyboard keys + * + * See [key input](@ref input_key) for how these are used. + * + * These key codes are inspired by the _USB HID Usage Tables v1.12_ (p. 53-60), + * but re-arranged to map to 7-bit ASCII for printable keys (function keys are + * put in the 256+ range). + * + * The naming of the key codes follow these rules: + * - The US keyboard layout is used + * - Names of printable alpha-numeric characters are used (e.g. "A", "R", + * "3", etc.) + * - For non-alphanumeric characters, Unicode:ish names are used (e.g. + * "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not + * correspond to the Unicode standard (usually for brevity) + * - Keys that lack a clear US mapping are named "WORLD_x" + * - For non-printable keys, custom names are used (e.g. "F4", + * "BACKSPACE", etc.) + * + * @ingroup input + * @{ + */ + +/* The unknown key */ +#define GLFW_KEY_UNKNOWN -1 + +/* Printable keys */ +#define GLFW_KEY_SPACE 32 +#define GLFW_KEY_APOSTROPHE 39 /* ' */ +#define GLFW_KEY_COMMA 44 /* , */ +#define GLFW_KEY_MINUS 45 /* - */ +#define GLFW_KEY_PERIOD 46 /* . */ +#define GLFW_KEY_SLASH 47 /* / */ +#define GLFW_KEY_0 48 +#define GLFW_KEY_1 49 +#define GLFW_KEY_2 50 +#define GLFW_KEY_3 51 +#define GLFW_KEY_4 52 +#define GLFW_KEY_5 53 +#define GLFW_KEY_6 54 +#define GLFW_KEY_7 55 +#define GLFW_KEY_8 56 +#define GLFW_KEY_9 57 +#define GLFW_KEY_SEMICOLON 59 /* ; */ +#define GLFW_KEY_EQUAL 61 /* = */ +#define GLFW_KEY_A 65 +#define GLFW_KEY_B 66 +#define GLFW_KEY_C 67 +#define GLFW_KEY_D 68 +#define GLFW_KEY_E 69 +#define GLFW_KEY_F 70 +#define GLFW_KEY_G 71 +#define GLFW_KEY_H 72 +#define GLFW_KEY_I 73 +#define GLFW_KEY_J 74 +#define GLFW_KEY_K 75 +#define GLFW_KEY_L 76 +#define GLFW_KEY_M 77 +#define GLFW_KEY_N 78 +#define GLFW_KEY_O 79 +#define GLFW_KEY_P 80 +#define GLFW_KEY_Q 81 +#define GLFW_KEY_R 82 +#define GLFW_KEY_S 83 +#define GLFW_KEY_T 84 +#define GLFW_KEY_U 85 +#define GLFW_KEY_V 86 +#define GLFW_KEY_W 87 +#define GLFW_KEY_X 88 +#define GLFW_KEY_Y 89 +#define GLFW_KEY_Z 90 +#define GLFW_KEY_LEFT_BRACKET 91 /* [ */ +#define GLFW_KEY_BACKSLASH 92 /* \ */ +#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */ +#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */ +#define GLFW_KEY_WORLD_1 161 /* non-US #1 */ +#define GLFW_KEY_WORLD_2 162 /* non-US #2 */ + +/* Function keys */ +#define GLFW_KEY_ESCAPE 256 +#define GLFW_KEY_ENTER 257 +#define GLFW_KEY_TAB 258 +#define GLFW_KEY_BACKSPACE 259 +#define GLFW_KEY_INSERT 260 +#define GLFW_KEY_DELETE 261 +#define GLFW_KEY_RIGHT 262 +#define GLFW_KEY_LEFT 263 +#define GLFW_KEY_DOWN 264 +#define GLFW_KEY_UP 265 +#define GLFW_KEY_PAGE_UP 266 +#define GLFW_KEY_PAGE_DOWN 267 +#define GLFW_KEY_HOME 268 +#define GLFW_KEY_END 269 +#define GLFW_KEY_CAPS_LOCK 280 +#define GLFW_KEY_SCROLL_LOCK 281 +#define GLFW_KEY_NUM_LOCK 282 +#define GLFW_KEY_PRINT_SCREEN 283 +#define GLFW_KEY_PAUSE 284 +#define GLFW_KEY_F1 290 +#define GLFW_KEY_F2 291 +#define GLFW_KEY_F3 292 +#define GLFW_KEY_F4 293 +#define GLFW_KEY_F5 294 +#define GLFW_KEY_F6 295 +#define GLFW_KEY_F7 296 +#define GLFW_KEY_F8 297 +#define GLFW_KEY_F9 298 +#define GLFW_KEY_F10 299 +#define GLFW_KEY_F11 300 +#define GLFW_KEY_F12 301 +#define GLFW_KEY_F13 302 +#define GLFW_KEY_F14 303 +#define GLFW_KEY_F15 304 +#define GLFW_KEY_F16 305 +#define GLFW_KEY_F17 306 +#define GLFW_KEY_F18 307 +#define GLFW_KEY_F19 308 +#define GLFW_KEY_F20 309 +#define GLFW_KEY_F21 310 +#define GLFW_KEY_F22 311 +#define GLFW_KEY_F23 312 +#define GLFW_KEY_F24 313 +#define GLFW_KEY_F25 314 +#define GLFW_KEY_KP_0 320 +#define GLFW_KEY_KP_1 321 +#define GLFW_KEY_KP_2 322 +#define GLFW_KEY_KP_3 323 +#define GLFW_KEY_KP_4 324 +#define GLFW_KEY_KP_5 325 +#define GLFW_KEY_KP_6 326 +#define GLFW_KEY_KP_7 327 +#define GLFW_KEY_KP_8 328 +#define GLFW_KEY_KP_9 329 +#define GLFW_KEY_KP_DECIMAL 330 +#define GLFW_KEY_KP_DIVIDE 331 +#define GLFW_KEY_KP_MULTIPLY 332 +#define GLFW_KEY_KP_SUBTRACT 333 +#define GLFW_KEY_KP_ADD 334 +#define GLFW_KEY_KP_ENTER 335 +#define GLFW_KEY_KP_EQUAL 336 +#define GLFW_KEY_LEFT_SHIFT 340 +#define GLFW_KEY_LEFT_CONTROL 341 +#define GLFW_KEY_LEFT_ALT 342 +#define GLFW_KEY_LEFT_SUPER 343 +#define GLFW_KEY_RIGHT_SHIFT 344 +#define GLFW_KEY_RIGHT_CONTROL 345 +#define GLFW_KEY_RIGHT_ALT 346 +#define GLFW_KEY_RIGHT_SUPER 347 +#define GLFW_KEY_MENU 348 + +#define GLFW_KEY_LAST GLFW_KEY_MENU + +/*! @} */ + +/*! @defgroup mods Modifier key flags + * + * See [key input](@ref input_key) for how these are used. + * + * @ingroup input + * @{ */ + +/*! @brief If this bit is set one or more Shift keys were held down. + */ +#define GLFW_MOD_SHIFT 0x0001 +/*! @brief If this bit is set one or more Control keys were held down. + */ +#define GLFW_MOD_CONTROL 0x0002 +/*! @brief If this bit is set one or more Alt keys were held down. + */ +#define GLFW_MOD_ALT 0x0004 +/*! @brief If this bit is set one or more Super keys were held down. + */ +#define GLFW_MOD_SUPER 0x0008 + +/*! @} */ + +/*! @defgroup buttons Mouse buttons + * + * See [mouse button input](@ref input_mouse_button) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_MOUSE_BUTTON_1 0 +#define GLFW_MOUSE_BUTTON_2 1 +#define GLFW_MOUSE_BUTTON_3 2 +#define GLFW_MOUSE_BUTTON_4 3 +#define GLFW_MOUSE_BUTTON_5 4 +#define GLFW_MOUSE_BUTTON_6 5 +#define GLFW_MOUSE_BUTTON_7 6 +#define GLFW_MOUSE_BUTTON_8 7 +#define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8 +#define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1 +#define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2 +#define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3 +/*! @} */ + +/*! @defgroup joysticks Joysticks + * + * See [joystick input](@ref joystick) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_JOYSTICK_1 0 +#define GLFW_JOYSTICK_2 1 +#define GLFW_JOYSTICK_3 2 +#define GLFW_JOYSTICK_4 3 +#define GLFW_JOYSTICK_5 4 +#define GLFW_JOYSTICK_6 5 +#define GLFW_JOYSTICK_7 6 +#define GLFW_JOYSTICK_8 7 +#define GLFW_JOYSTICK_9 8 +#define GLFW_JOYSTICK_10 9 +#define GLFW_JOYSTICK_11 10 +#define GLFW_JOYSTICK_12 11 +#define GLFW_JOYSTICK_13 12 +#define GLFW_JOYSTICK_14 13 +#define GLFW_JOYSTICK_15 14 +#define GLFW_JOYSTICK_16 15 +#define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16 +/*! @} */ + +/*! @defgroup errors Error codes + * + * See [error handling](@ref error_handling) for how these are used. + * + * @ingroup init + * @{ */ +/*! @brief GLFW has not been initialized. + * + * This occurs if a GLFW function was called that must not be called unless the + * library is [initialized](@ref intro_init). + * + * @analysis Application programmer error. Initialize GLFW before calling any + * function that requires initialization. + */ +#define GLFW_NOT_INITIALIZED 0x00010001 +/*! @brief No context is current for this thread. + * + * This occurs if a GLFW function was called that needs and operates on the + * current OpenGL or OpenGL ES context but no context is current on the calling + * thread. One such function is @ref glfwSwapInterval. + * + * @analysis Application programmer error. Ensure a context is current before + * calling functions that require a current context. + */ +#define GLFW_NO_CURRENT_CONTEXT 0x00010002 +/*! @brief One of the arguments to the function was an invalid enum value. + * + * One of the arguments to the function was an invalid enum value, for example + * requesting [GLFW_RED_BITS](@ref window_hints_fb) with @ref + * glfwGetWindowAttrib. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_INVALID_ENUM 0x00010003 +/*! @brief One of the arguments to the function was an invalid value. + * + * One of the arguments to the function was an invalid value, for example + * requesting a non-existent OpenGL or OpenGL ES version like 2.7. + * + * Requesting a valid but unavailable OpenGL or OpenGL ES version will instead + * result in a @ref GLFW_VERSION_UNAVAILABLE error. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_INVALID_VALUE 0x00010004 +/*! @brief A memory allocation failed. + * + * A memory allocation failed. + * + * @analysis A bug in GLFW or the underlying operating system. Report the bug + * to our [issue tracker](https://github.com/glfw/glfw/issues). + */ +#define GLFW_OUT_OF_MEMORY 0x00010005 +/*! @brief GLFW could not find support for the requested API on the system. + * + * GLFW could not find support for the requested API on the system. + * + * @analysis The installed graphics driver does not support the requested + * API, or does not support it via the chosen context creation backend. + * Below are a few examples. + * + * @par + * Some pre-installed Windows graphics drivers do not support OpenGL. AMD only + * supports OpenGL ES via EGL, while Nvidia and Intel only support it via + * a WGL or GLX extension. OS X does not provide OpenGL ES at all. The Mesa + * EGL, OpenGL and OpenGL ES libraries do not interface with the Nvidia binary + * driver. Older graphics drivers do not support Vulkan. + */ +#define GLFW_API_UNAVAILABLE 0x00010006 +/*! @brief The requested OpenGL or OpenGL ES version is not available. + * + * The requested OpenGL or OpenGL ES version (including any requested context + * or framebuffer hints) is not available on this machine. + * + * @analysis The machine does not support your requirements. If your + * application is sufficiently flexible, downgrade your requirements and try + * again. Otherwise, inform the user that their machine does not match your + * requirements. + * + * @par + * Future invalid OpenGL and OpenGL ES versions, for example OpenGL 4.8 if 5.0 + * comes out before the 4.x series gets that far, also fail with this error and + * not @ref GLFW_INVALID_VALUE, because GLFW cannot know what future versions + * will exist. + */ +#define GLFW_VERSION_UNAVAILABLE 0x00010007 +/*! @brief A platform-specific error occurred that does not match any of the + * more specific categories. + * + * A platform-specific error occurred that does not match any of the more + * specific categories. + * + * @analysis A bug or configuration error in GLFW, the underlying operating + * system or its drivers, or a lack of required resources. Report the issue to + * our [issue tracker](https://github.com/glfw/glfw/issues). + */ +#define GLFW_PLATFORM_ERROR 0x00010008 +/*! @brief The requested format is not supported or available. + * + * If emitted during window creation, the requested pixel format is not + * supported. + * + * If emitted when querying the clipboard, the contents of the clipboard could + * not be converted to the requested format. + * + * @analysis If emitted during window creation, one or more + * [hard constraints](@ref window_hints_hard) did not match any of the + * available pixel formats. If your application is sufficiently flexible, + * downgrade your requirements and try again. Otherwise, inform the user that + * their machine does not match your requirements. + * + * @par + * If emitted when querying the clipboard, ignore the error or report it to + * the user, as appropriate. + */ +#define GLFW_FORMAT_UNAVAILABLE 0x00010009 +/*! @brief The specified window does not have an OpenGL or OpenGL ES context. + * + * A window that does not have an OpenGL or OpenGL ES context was passed to + * a function that requires it to have one. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_NO_WINDOW_CONTEXT 0x0001000A +/*! @} */ + +#define GLFW_FOCUSED 0x00020001 +#define GLFW_ICONIFIED 0x00020002 +#define GLFW_RESIZABLE 0x00020003 +#define GLFW_VISIBLE 0x00020004 +#define GLFW_DECORATED 0x00020005 +#define GLFW_AUTO_ICONIFY 0x00020006 +#define GLFW_FLOATING 0x00020007 +#define GLFW_MAXIMIZED 0x00020008 + +#define GLFW_RED_BITS 0x00021001 +#define GLFW_GREEN_BITS 0x00021002 +#define GLFW_BLUE_BITS 0x00021003 +#define GLFW_ALPHA_BITS 0x00021004 +#define GLFW_DEPTH_BITS 0x00021005 +#define GLFW_STENCIL_BITS 0x00021006 +#define GLFW_ACCUM_RED_BITS 0x00021007 +#define GLFW_ACCUM_GREEN_BITS 0x00021008 +#define GLFW_ACCUM_BLUE_BITS 0x00021009 +#define GLFW_ACCUM_ALPHA_BITS 0x0002100A +#define GLFW_AUX_BUFFERS 0x0002100B +#define GLFW_STEREO 0x0002100C +#define GLFW_SAMPLES 0x0002100D +#define GLFW_SRGB_CAPABLE 0x0002100E +#define GLFW_REFRESH_RATE 0x0002100F +#define GLFW_DOUBLEBUFFER 0x00021010 + +#define GLFW_CLIENT_API 0x00022001 +#define GLFW_CONTEXT_VERSION_MAJOR 0x00022002 +#define GLFW_CONTEXT_VERSION_MINOR 0x00022003 +#define GLFW_CONTEXT_REVISION 0x00022004 +#define GLFW_CONTEXT_ROBUSTNESS 0x00022005 +#define GLFW_OPENGL_FORWARD_COMPAT 0x00022006 +#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022007 +#define GLFW_OPENGL_PROFILE 0x00022008 +#define GLFW_CONTEXT_RELEASE_BEHAVIOR 0x00022009 +#define GLFW_CONTEXT_NO_ERROR 0x0002200A + +#define GLFW_NO_API 0 +#define GLFW_OPENGL_API 0x00030001 +#define GLFW_OPENGL_ES_API 0x00030002 + +#define GLFW_NO_ROBUSTNESS 0 +#define GLFW_NO_RESET_NOTIFICATION 0x00031001 +#define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002 + +#define GLFW_OPENGL_ANY_PROFILE 0 +#define GLFW_OPENGL_CORE_PROFILE 0x00032001 +#define GLFW_OPENGL_COMPAT_PROFILE 0x00032002 + +#define GLFW_CURSOR 0x00033001 +#define GLFW_STICKY_KEYS 0x00033002 +#define GLFW_STICKY_MOUSE_BUTTONS 0x00033003 + +#define GLFW_CURSOR_NORMAL 0x00034001 +#define GLFW_CURSOR_HIDDEN 0x00034002 +#define GLFW_CURSOR_DISABLED 0x00034003 + +#define GLFW_ANY_RELEASE_BEHAVIOR 0 +#define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001 +#define GLFW_RELEASE_BEHAVIOR_NONE 0x00035002 + +/*! @defgroup shapes Standard cursor shapes + * + * See [standard cursor creation](@ref cursor_standard) for how these are used. + * + * @ingroup input + * @{ */ + +/*! @brief The regular arrow cursor shape. + * + * The regular arrow cursor. + */ +#define GLFW_ARROW_CURSOR 0x00036001 +/*! @brief The text input I-beam cursor shape. + * + * The text input I-beam cursor shape. + */ +#define GLFW_IBEAM_CURSOR 0x00036002 +/*! @brief The crosshair shape. + * + * The crosshair shape. + */ +#define GLFW_CROSSHAIR_CURSOR 0x00036003 +/*! @brief The hand shape. + * + * The hand shape. + */ +#define GLFW_HAND_CURSOR 0x00036004 +/*! @brief The horizontal resize arrow shape. + * + * The horizontal resize arrow shape. + */ +#define GLFW_HRESIZE_CURSOR 0x00036005 +/*! @brief The vertical resize arrow shape. + * + * The vertical resize arrow shape. + */ +#define GLFW_VRESIZE_CURSOR 0x00036006 +/*! @} */ + +#define GLFW_CONNECTED 0x00040001 +#define GLFW_DISCONNECTED 0x00040002 + +#define GLFW_DONT_CARE -1 + + +/************************************************************************* + * GLFW API types + *************************************************************************/ + +/*! @brief Client API function pointer type. + * + * Generic function pointer used for returning client API function pointers + * without forcing a cast from a regular pointer. + * + * @sa @ref context_glext + * @sa glfwGetProcAddress + * + * @since Added in version 3.0. + + * @ingroup context + */ +typedef void (*GLFWglproc)(void); + +/*! @brief Vulkan API function pointer type. + * + * Generic function pointer used for returning Vulkan API function pointers + * without forcing a cast from a regular pointer. + * + * @sa @ref vulkan_proc + * @sa glfwGetInstanceProcAddress + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +typedef void (*GLFWvkproc)(void); + +/*! @brief Opaque monitor object. + * + * Opaque monitor object. + * + * @see @ref monitor_object + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef struct GLFWmonitor GLFWmonitor; + +/*! @brief Opaque window object. + * + * Opaque window object. + * + * @see @ref window_object + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef struct GLFWwindow GLFWwindow; + +/*! @brief Opaque cursor object. + * + * Opaque cursor object. + * + * @see @ref cursor_object + * + * @since Added in version 3.1. + * + * @ingroup cursor + */ +typedef struct GLFWcursor GLFWcursor; + +/*! @brief The function signature for error callbacks. + * + * This is the function signature for error callback functions. + * + * @param[in] error An [error code](@ref errors). + * @param[in] description A UTF-8 encoded string describing the error. + * + * @sa @ref error_handling + * @sa glfwSetErrorCallback + * + * @since Added in version 3.0. + * + * @ingroup init + */ +typedef void (* GLFWerrorfun)(int,const char*); + +/*! @brief The function signature for window position callbacks. + * + * This is the function signature for window position callback functions. + * + * @param[in] window The window that was moved. + * @param[in] xpos The new x-coordinate, in screen coordinates, of the + * upper-left corner of the client area of the window. + * @param[in] ypos The new y-coordinate, in screen coordinates, of the + * upper-left corner of the client area of the window. + * + * @sa @ref window_pos + * @sa glfwSetWindowPosCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window resize callbacks. + * + * This is the function signature for window size callback functions. + * + * @param[in] window The window that was resized. + * @param[in] width The new width, in screen coordinates, of the window. + * @param[in] height The new height, in screen coordinates, of the window. + * + * @sa @ref window_size + * @sa glfwSetWindowSizeCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window close callbacks. + * + * This is the function signature for window close callback functions. + * + * @param[in] window The window that the user attempted to close. + * + * @sa @ref window_close + * @sa glfwSetWindowCloseCallback + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowclosefun)(GLFWwindow*); + +/*! @brief The function signature for window content refresh callbacks. + * + * This is the function signature for window refresh callback functions. + * + * @param[in] window The window whose content needs to be refreshed. + * + * @sa @ref window_refresh + * @sa glfwSetWindowRefreshCallback + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowrefreshfun)(GLFWwindow*); + +/*! @brief The function signature for window focus/defocus callbacks. + * + * This is the function signature for window focus callback functions. + * + * @param[in] window The window that gained or lost input focus. + * @param[in] focused `GLFW_TRUE` if the window was given input focus, or + * `GLFW_FALSE` if it lost it. + * + * @sa @ref window_focus + * @sa glfwSetWindowFocusCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int); + +/*! @brief The function signature for window iconify/restore callbacks. + * + * This is the function signature for window iconify/restore callback + * functions. + * + * @param[in] window The window that was iconified or restored. + * @param[in] iconified `GLFW_TRUE` if the window was iconified, or + * `GLFW_FALSE` if it was restored. + * + * @sa @ref window_iconify + * @sa glfwSetWindowIconifyCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int); + +/*! @brief The function signature for framebuffer resize callbacks. + * + * This is the function signature for framebuffer resize callback + * functions. + * + * @param[in] window The window whose framebuffer was resized. + * @param[in] width The new width, in pixels, of the framebuffer. + * @param[in] height The new height, in pixels, of the framebuffer. + * + * @sa @ref window_fbsize + * @sa glfwSetFramebufferSizeCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int); + +/*! @brief The function signature for mouse button callbacks. + * + * This is the function signature for mouse button callback functions. + * + * @param[in] window The window that received the event. + * @param[in] button The [mouse button](@ref buttons) that was pressed or + * released. + * @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_mouse_button + * @sa glfwSetMouseButtonCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle and modifier mask parameters. + * + * @ingroup input + */ +typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int); + +/*! @brief The function signature for cursor position callbacks. + * + * This is the function signature for cursor position callback functions. + * + * @param[in] window The window that received the event. + * @param[in] xpos The new cursor x-coordinate, relative to the left edge of + * the client area. + * @param[in] ypos The new cursor y-coordinate, relative to the top edge of the + * client area. + * + * @sa @ref cursor_pos + * @sa glfwSetCursorPosCallback + * + * @since Added in version 3.0. Replaces `GLFWmouseposfun`. + * + * @ingroup input + */ +typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double); + +/*! @brief The function signature for cursor enter/leave callbacks. + * + * This is the function signature for cursor enter/leave callback functions. + * + * @param[in] window The window that received the event. + * @param[in] entered `GLFW_TRUE` if the cursor entered the window's client + * area, or `GLFW_FALSE` if it left it. + * + * @sa @ref cursor_enter + * @sa glfwSetCursorEnterCallback + * + * @since Added in version 3.0. + * + * @ingroup input + */ +typedef void (* GLFWcursorenterfun)(GLFWwindow*,int); + +/*! @brief The function signature for scroll callbacks. + * + * This is the function signature for scroll callback functions. + * + * @param[in] window The window that received the event. + * @param[in] xoffset The scroll offset along the x-axis. + * @param[in] yoffset The scroll offset along the y-axis. + * + * @sa @ref scrolling + * @sa glfwSetScrollCallback + * + * @since Added in version 3.0. Replaces `GLFWmousewheelfun`. + * + * @ingroup input + */ +typedef void (* GLFWscrollfun)(GLFWwindow*,double,double); + +/*! @brief The function signature for keyboard key callbacks. + * + * This is the function signature for keyboard key callback functions. + * + * @param[in] window The window that received the event. + * @param[in] key The [keyboard key](@ref keys) that was pressed or released. + * @param[in] scancode The system-specific scancode of the key. + * @param[in] action `GLFW_PRESS`, `GLFW_RELEASE` or `GLFW_REPEAT`. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_key + * @sa glfwSetKeyCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle, scancode and modifier mask parameters. + * + * @ingroup input + */ +typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int); + +/*! @brief The function signature for Unicode character callbacks. + * + * This is the function signature for Unicode character callback functions. + * + * @param[in] window The window that received the event. + * @param[in] codepoint The Unicode code point of the character. + * + * @sa @ref input_char + * @sa glfwSetCharCallback + * + * @since Added in version 2.4. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int); + +/*! @brief The function signature for Unicode character with modifiers + * callbacks. + * + * This is the function signature for Unicode character with modifiers callback + * functions. It is called for each input character, regardless of what + * modifier keys are held down. + * + * @param[in] window The window that received the event. + * @param[in] codepoint The Unicode code point of the character. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_char + * @sa glfwSetCharModsCallback + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef void (* GLFWcharmodsfun)(GLFWwindow*,unsigned int,int); + +/*! @brief The function signature for file drop callbacks. + * + * This is the function signature for file drop callbacks. + * + * @param[in] window The window that received the event. + * @param[in] count The number of dropped files. + * @param[in] paths The UTF-8 encoded file and/or directory path names. + * + * @sa @ref path_drop + * @sa glfwSetDropCallback + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef void (* GLFWdropfun)(GLFWwindow*,int,const char**); + +/*! @brief The function signature for monitor configuration callbacks. + * + * This is the function signature for monitor configuration callback functions. + * + * @param[in] monitor The monitor that was connected or disconnected. + * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. + * + * @sa @ref monitor_event + * @sa glfwSetMonitorCallback + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef void (* GLFWmonitorfun)(GLFWmonitor*,int); + +/*! @brief The function signature for joystick configuration callbacks. + * + * This is the function signature for joystick configuration callback + * functions. + * + * @param[in] joy The joystick that was connected or disconnected. + * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. + * + * @sa @ref joystick_event + * @sa glfwSetJoystickCallback + * + * @since Added in version 3.2. + * + * @ingroup input + */ +typedef void (* GLFWjoystickfun)(int,int); + +/*! @brief Video mode type. + * + * This describes a single video mode. + * + * @sa @ref monitor_modes + * @sa glfwGetVideoMode glfwGetVideoModes + * + * @since Added in version 1.0. + * @glfw3 Added refresh rate member. + * + * @ingroup monitor + */ +typedef struct GLFWvidmode +{ + /*! The width, in screen coordinates, of the video mode. + */ + int width; + /*! The height, in screen coordinates, of the video mode. + */ + int height; + /*! The bit depth of the red channel of the video mode. + */ + int redBits; + /*! The bit depth of the green channel of the video mode. + */ + int greenBits; + /*! The bit depth of the blue channel of the video mode. + */ + int blueBits; + /*! The refresh rate, in Hz, of the video mode. + */ + int refreshRate; +} GLFWvidmode; + +/*! @brief Gamma ramp. + * + * This describes the gamma ramp for a monitor. + * + * @sa @ref monitor_gamma + * @sa glfwGetGammaRamp glfwSetGammaRamp + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef struct GLFWgammaramp +{ + /*! An array of value describing the response of the red channel. + */ + unsigned short* red; + /*! An array of value describing the response of the green channel. + */ + unsigned short* green; + /*! An array of value describing the response of the blue channel. + */ + unsigned short* blue; + /*! The number of elements in each array. + */ + unsigned int size; +} GLFWgammaramp; + +/*! @brief Image data. + * + * @sa @ref cursor_custom + * + * @since Added in version 2.1. + * @glfw3 Removed format and bytes-per-pixel members. + */ +typedef struct GLFWimage +{ + /*! The width, in pixels, of this image. + */ + int width; + /*! The height, in pixels, of this image. + */ + int height; + /*! The pixel data of this image, arranged left-to-right, top-to-bottom. + */ + unsigned char* pixels; +} GLFWimage; + + +/************************************************************************* + * GLFW API functions + *************************************************************************/ + +/*! @brief Initializes the GLFW library. + * + * This function initializes the GLFW library. Before most GLFW functions can + * be used, GLFW must be initialized, and before an application terminates GLFW + * should be terminated in order to free any resources allocated during or + * after initialization. + * + * If this function fails, it calls @ref glfwTerminate before returning. If it + * succeeds, you should call @ref glfwTerminate before the application exits. + * + * Additional calls to this function after successful initialization but before + * termination will return `GLFW_TRUE` immediately. + * + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. + * + * @remark @osx This function will change the current directory of the + * application to the `Contents/Resources` subdirectory of the application's + * bundle, if present. This can be disabled with a + * [compile-time option](@ref compile_options_osx). + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref intro_init + * @sa glfwTerminate + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI int glfwInit(void); + +/*! @brief Terminates the GLFW library. + * + * This function destroys all remaining windows and cursors, restores any + * modified gamma ramps and frees any other allocated resources. Once this + * function is called, you must again call @ref glfwInit successfully before + * you will be able to use most GLFW functions. + * + * If GLFW has been successfully initialized, this function should be called + * before the application exits. If initialization fails, there is no need to + * call this function, as it is called by @ref glfwInit before it returns + * failure. + * + * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. + * + * @remark This function may be called before @ref glfwInit. + * + * @warning The contexts of any remaining windows must not be current on any + * other thread when this function is called. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref intro_init + * @sa glfwInit + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI void glfwTerminate(void); + +/*! @brief Retrieves the version of the GLFW library. + * + * This function retrieves the major, minor and revision numbers of the GLFW + * library. It is intended for when you are using GLFW as a shared library and + * want to ensure that you are using the minimum required version. + * + * Any or all of the version arguments may be `NULL`. + * + * @param[out] major Where to store the major version number, or `NULL`. + * @param[out] minor Where to store the minor version number, or `NULL`. + * @param[out] rev Where to store the revision number, or `NULL`. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref intro_version + * @sa glfwGetVersionString + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev); + +/*! @brief Returns a string describing the compile-time configuration. + * + * This function returns the compile-time generated + * [version string](@ref intro_version_string) of the GLFW library binary. It + * describes the version, platform, compiler and any platform-specific + * compile-time options. It should not be confused with the OpenGL or OpenGL + * ES version string, queried with `glGetString`. + * + * __Do not use the version string__ to parse the GLFW library version. The + * @ref glfwGetVersion function provides the version of the running library + * binary in numerical format. + * + * @return The ASCII encoded GLFW version string. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @pointer_lifetime The returned string is static and compile-time generated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref intro_version + * @sa glfwGetVersion + * + * @since Added in version 3.0. + * + * @ingroup init + */ +GLFWAPI const char* glfwGetVersionString(void); + +/*! @brief Sets the error callback. + * + * This function sets the error callback, which is called with an error code + * and a human-readable description each time a GLFW error occurs. + * + * The error callback is called on the thread where the error occurred. If you + * are using GLFW from multiple threads, your error callback needs to be + * written accordingly. + * + * Because the description string may have been generated specifically for that + * error, it is not guaranteed to be valid after the callback has returned. If + * you wish to use it after the callback returns, you need to make a copy. + * + * Once set, the error callback remains set even after the library has been + * terminated. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref error_handling + * + * @since Added in version 3.0. + * + * @ingroup init + */ +GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun); + +/*! @brief Returns the currently connected monitors. + * + * This function returns an array of handles for all currently connected + * monitors. The primary monitor is always first in the returned array. If no + * monitors were found, this function returns `NULL`. + * + * @param[out] count Where to store the number of monitors in the returned + * array. This is set to zero if an error occurred. + * @return An array of monitor handles, or `NULL` if no monitors were found or + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * monitor configuration changes or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_monitors + * @sa @ref monitor_event + * @sa glfwGetPrimaryMonitor + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitor** glfwGetMonitors(int* count); + +/*! @brief Returns the primary monitor. + * + * This function returns the primary monitor. This is usually the monitor + * where elements like the task bar or global menu bar are located. + * + * @return The primary monitor, or `NULL` if no monitors were found or if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @remark The primary monitor is always first in the array returned by @ref + * glfwGetMonitors. + * + * @sa @ref monitor_monitors + * @sa glfwGetMonitors + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void); + +/*! @brief Returns the position of the monitor's viewport on the virtual screen. + * + * This function returns the position, in screen coordinates, of the upper-left + * corner of the specified monitor. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. + * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos); + +/*! @brief Returns the physical size of the monitor. + * + * This function returns the size, in millimetres, of the display area of the + * specified monitor. + * + * Some systems do not provide accurate monitor size information, either + * because the monitor + * [EDID](https://en.wikipedia.org/wiki/Extended_display_identification_data) + * data is incorrect or because the driver does not report it accurately. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] widthMM Where to store the width, in millimetres, of the + * monitor's display area, or `NULL`. + * @param[out] heightMM Where to store the height, in millimetres, of the + * monitor's display area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @win32 calculates the returned physical size from the + * current resolution and system DPI instead of querying the monitor EDID data. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* widthMM, int* heightMM); + +/*! @brief Returns the name of the specified monitor. + * + * This function returns a human-readable name, encoded as UTF-8, of the + * specified monitor. The name typically reflects the make and model of the + * monitor and is not guaranteed to be unique among the connected monitors. + * + * @param[in] monitor The monitor to query. + * @return The UTF-8 encoded name of the monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor); + +/*! @brief Sets the monitor configuration callback. + * + * This function sets the monitor configuration callback, or removes the + * currently set callback. This is called when a monitor is connected to or + * disconnected from the system. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_event + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun); + +/*! @brief Returns the available video modes for the specified monitor. + * + * This function returns an array of all video modes supported by the specified + * monitor. The returned array is sorted in ascending order, first by color + * bit depth (the sum of all channel depths) and then by resolution area (the + * product of width and height). + * + * @param[in] monitor The monitor to query. + * @param[out] count Where to store the number of video modes in the returned + * array. This is set to zero if an error occurred. + * @return An array of video modes, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected, this function is called again for that monitor or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_modes + * @sa glfwGetVideoMode + * + * @since Added in version 1.0. + * @glfw3 Changed to return an array of modes for a specific monitor. + * + * @ingroup monitor + */ +GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count); + +/*! @brief Returns the current mode of the specified monitor. + * + * This function returns the current video mode of the specified monitor. If + * you have created a full screen window for that monitor, the return value + * will depend on whether that window is iconified. + * + * @param[in] monitor The monitor to query. + * @return The current mode of the monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_modes + * @sa glfwGetVideoModes + * + * @since Added in version 3.0. Replaces `glfwGetDesktopMode`. + * + * @ingroup monitor + */ +GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor); + +/*! @brief Generates a gamma ramp and sets it for the specified monitor. + * + * This function generates a 256-element gamma ramp from the specified exponent + * and then calls @ref glfwSetGammaRamp with it. The value must be a finite + * number greater than zero. + * + * @param[in] monitor The monitor whose gamma ramp to set. + * @param[in] gamma The desired exponent. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma); + +/*! @brief Returns the current gamma ramp for the specified monitor. + * + * This function returns the current gamma ramp of the specified monitor. + * + * @param[in] monitor The monitor to query. + * @return The current gamma ramp, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned structure and its arrays are allocated and + * freed by GLFW. You should not free them yourself. They are valid until the + * specified monitor is disconnected, this function is called again for that + * monitor or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor); + +/*! @brief Sets the current gamma ramp for the specified monitor. + * + * This function sets the current gamma ramp for the specified monitor. The + * original gamma ramp for that monitor is saved by GLFW the first time this + * function is called and is restored by @ref glfwTerminate. + * + * @param[in] monitor The monitor whose gamma ramp to set. + * @param[in] ramp The gamma ramp to use. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark Gamma ramp sizes other than 256 are not supported by all platforms + * or graphics hardware. + * + * @remark @win32 The gamma ramp size must be 256. + * + * @pointer_lifetime The specified gamma ramp is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp); + +/*! @brief Resets all window hints to their default values. + * + * This function resets all window hints to their + * [default values](@ref window_hints_values). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa glfwWindowHint + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwDefaultWindowHints(void); + +/*! @brief Sets the specified window hint to the desired value. + * + * This function sets hints for the next call to @ref glfwCreateWindow. The + * hints, once set, retain their values until changed by a call to @ref + * glfwWindowHint or @ref glfwDefaultWindowHints, or until the library is + * terminated. + * + * This function does not check whether the specified hint values are valid. + * If you set hints to invalid values this will instead be reported by the next + * call to @ref glfwCreateWindow. + * + * @param[in] hint The [window hint](@ref window_hints) to set. + * @param[in] value The new value of the window hint. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa glfwDefaultWindowHints + * + * @since Added in version 3.0. Replaces `glfwOpenWindowHint`. + * + * @ingroup window + */ +GLFWAPI void glfwWindowHint(int hint, int value); + +/*! @brief Creates a window and its associated context. + * + * This function creates a window and its associated OpenGL or OpenGL ES + * context. Most of the options controlling how the window and its context + * should be created are specified with [window hints](@ref window_hints). + * + * Successful creation does not change which context is current. Before you + * can use the newly created context, you need to + * [make it current](@ref context_current). For information about the `share` + * parameter, see @ref context_sharing. + * + * The created window, framebuffer and context may differ from what you + * requested, as not all parameters and hints are + * [hard constraints](@ref window_hints_hard). This includes the size of the + * window, especially for full screen windows. To query the actual attributes + * of the created window, framebuffer and context, see @ref + * glfwGetWindowAttrib, @ref glfwGetWindowSize and @ref glfwGetFramebufferSize. + * + * To create a full screen window, you need to specify the monitor the window + * will cover. If no monitor is specified, the window will be windowed mode. + * Unless you have a way for the user to choose a specific monitor, it is + * recommended that you pick the primary monitor. For more information on how + * to query connected monitors, see @ref monitor_monitors. + * + * For full screen windows, the specified size becomes the resolution of the + * window's _desired video mode_. As long as a full screen window is not + * iconified, the supported video mode most closely matching the desired video + * mode is set for the specified monitor. For more information about full + * screen windows, including the creation of so called _windowed full screen_ + * or _borderless full screen_ windows, see @ref window_windowed_full_screen. + * + * By default, newly created windows use the placement recommended by the + * window system. To create the window at a specific position, make it + * initially invisible using the [GLFW_VISIBLE](@ref window_hints_wnd) window + * hint, set its [position](@ref window_pos) and then [show](@ref window_hide) + * it. + * + * As long as at least one full screen window is not iconified, the screensaver + * is prohibited from starting. + * + * Window systems put limits on window sizes. Very large or very small window + * dimensions may be overridden by the window system on creation. Check the + * actual [size](@ref window_size) after creation. + * + * The [swap interval](@ref buffer_swap) is not set during window creation and + * the initial value may vary depending on driver settings and defaults. + * + * @param[in] width The desired width, in screen coordinates, of the window. + * This must be greater than zero. + * @param[in] height The desired height, in screen coordinates, of the window. + * This must be greater than zero. + * @param[in] title The initial, UTF-8 encoded window title. + * @param[in] monitor The monitor to use for full screen mode, or `NULL` for + * windowed mode. + * @param[in] share The window whose context to share resources with, or `NULL` + * to not share resources. + * @return The handle of the created window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_API_UNAVAILABLE, @ref + * GLFW_VERSION_UNAVAILABLE, @ref GLFW_FORMAT_UNAVAILABLE and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @win32 Window creation will fail if the Microsoft GDI software + * OpenGL implementation is the only one available. + * + * @remark @win32 If the executable has an icon resource named `GLFW_ICON,` + * it will be set as the icon for the window. If no such icon is present, the + * `IDI_WINLOGO` icon will be used instead. + * + * @remark @win32 The context to share resources with must not be current on + * any other thread. + * + * @remark @osx The GLFW window has no icon, as it is not a document + * window, but the dock icon will be the same as the application bundle's icon. + * For more information on bundles, see the + * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) + * in the Mac Developer Library. + * + * @remark @osx The first time a window is created the menu bar is populated + * with common commands like Hide, Quit and About. The About entry opens + * a minimal about dialog with information from the application's bundle. The + * menu bar can be disabled with a + * [compile-time option](@ref compile_options_osx). + * + * @remark @osx On OS X 10.10 and later the window frame will not be rendered + * at full resolution on Retina displays unless the `NSHighResolutionCapable` + * key is enabled in the application bundle's `Info.plist`. For more + * information, see + * [High Resolution Guidelines for OS X](https://developer.apple.com/library/mac/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html) + * in the Mac Developer Library. The GLFW test and example programs use + * a custom `Info.plist` template for this, which can be found as + * `CMake/MacOSXBundleInfo.plist.in` in the source tree. + * + * @remark @x11 There is no mechanism for setting the window icon yet. + * + * @remark @x11 Some window managers will not respect the placement of + * initially hidden windows. + * + * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for + * a window to reach its requested state. This means you may not be able to + * query the final size, position or other attributes directly after window + * creation. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_creation + * @sa glfwDestroyWindow + * + * @since Added in version 3.0. Replaces `glfwOpenWindow`. + * + * @ingroup window + */ +GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share); + +/*! @brief Destroys the specified window and its context. + * + * This function destroys the specified window and its context. On calling + * this function, no further callbacks will be called for that window. + * + * If the context of the specified window is current on the main thread, it is + * detached before being destroyed. + * + * @param[in] window The window to destroy. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @note The context of the specified window must not be current on any other + * thread when this function is called. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_creation + * @sa glfwCreateWindow + * + * @since Added in version 3.0. Replaces `glfwCloseWindow`. + * + * @ingroup window + */ +GLFWAPI void glfwDestroyWindow(GLFWwindow* window); + +/*! @brief Checks the close flag of the specified window. + * + * This function returns the value of the close flag of the specified window. + * + * @param[in] window The window to query. + * @return The value of the close flag. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_close + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI int glfwWindowShouldClose(GLFWwindow* window); + +/*! @brief Sets the close flag of the specified window. + * + * This function sets the value of the close flag of the specified window. + * This can be used to override the user's attempt to close the window, or + * to signal that it should be closed. + * + * @param[in] window The window whose flag to change. + * @param[in] value The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_close + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value); + +/*! @brief Sets the title of the specified window. + * + * This function sets the window title, encoded as UTF-8, of the specified + * window. + * + * @param[in] window The window whose title to change. + * @param[in] title The UTF-8 encoded window title. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @osx The window title will not be updated until the next time you + * process events. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_title + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title); + +/*! @brief Sets the icon for the specified window. + * + * This function sets the icon of the specified window. If passed an array of + * candidate images, those of or closest to the sizes desired by the system are + * selected. If no images are specified, the window reverts to its default + * icon. + * + * The desired image sizes varies depending on platform and system settings. + * The selected images will be rescaled as needed. Good sizes include 16x16, + * 32x32 and 48x48. + * + * @param[in] window The window whose icon to set. + * @param[in] count The number of images in the specified array, or zero to + * revert to the default window icon. + * @param[in] images The images to create the icon from. This is ignored if + * count is zero. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified image data is copied before this function + * returns. + * + * @remark @osx The GLFW window has no icon, as it is not a document + * window, but the dock icon will be the same as the application bundle's icon. + * For more information on bundles, see the + * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) + * in the Mac Developer Library. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_icon + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* images); + +/*! @brief Retrieves the position of the client area of the specified window. + * + * This function retrieves the position, in screen coordinates, of the + * upper-left corner of the client area of the specified window. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] window The window to query. + * @param[out] xpos Where to store the x-coordinate of the upper-left corner of + * the client area, or `NULL`. + * @param[out] ypos Where to store the y-coordinate of the upper-left corner of + * the client area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * @sa glfwSetWindowPos + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos); + +/*! @brief Sets the position of the client area of the specified window. + * + * This function sets the position, in screen coordinates, of the upper-left + * corner of the client area of the specified windowed mode window. If the + * window is a full screen window, this function does nothing. + * + * __Do not use this function__ to move an already visible window unless you + * have very good reasons for doing so, as it will confuse and annoy the user. + * + * The window manager may put limits on what positions are allowed. GLFW + * cannot and should not override these limits. + * + * @param[in] window The window to query. + * @param[in] xpos The x-coordinate of the upper-left corner of the client area. + * @param[in] ypos The y-coordinate of the upper-left corner of the client area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * @sa glfwGetWindowPos + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos); + +/*! @brief Retrieves the size of the client area of the specified window. + * + * This function retrieves the size, in screen coordinates, of the client area + * of the specified window. If you wish to retrieve the size of the + * framebuffer of the window in pixels, see @ref glfwGetFramebufferSize. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose size to retrieve. + * @param[out] width Where to store the width, in screen coordinates, of the + * client area, or `NULL`. + * @param[out] height Where to store the height, in screen coordinates, of the + * client area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * @sa glfwSetWindowSize + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height); + +/*! @brief Sets the size limits of the specified window. + * + * This function sets the size limits of the client area of the specified + * window. If the window is full screen, the size limits only take effect if + * once it is made windowed. If the window is not resizable, this function + * does nothing. + * + * The size limits are applied immediately to a windowed mode window and may + * cause it to be resized. + * + * @param[in] window The window to set limits for. + * @param[in] minwidth The minimum width, in screen coordinates, of the client + * area, or `GLFW_DONT_CARE`. + * @param[in] minheight The minimum height, in screen coordinates, of the + * client area, or `GLFW_DONT_CARE`. + * @param[in] maxwidth The maximum width, in screen coordinates, of the client + * area, or `GLFW_DONT_CARE`. + * @param[in] maxheight The maximum height, in screen coordinates, of the + * client area, or `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark If you set size limits and an aspect ratio that conflict, the + * results are undefined. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_sizelimits + * @sa glfwSetWindowAspectRatio + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight); + +/*! @brief Sets the aspect ratio of the specified window. + * + * This function sets the required aspect ratio of the client area of the + * specified window. If the window is full screen, the aspect ratio only takes + * effect once it is made windowed. If the window is not resizable, this + * function does nothing. + * + * The aspect ratio is specified as a numerator and a denominator and both + * values must be greater than zero. For example, the common 16:9 aspect ratio + * is specified as 16 and 9, respectively. + * + * If the numerator and denominator is set to `GLFW_DONT_CARE` then the aspect + * ratio limit is disabled. + * + * The aspect ratio is applied immediately to a windowed mode window and may + * cause it to be resized. + * + * @param[in] window The window to set limits for. + * @param[in] numer The numerator of the desired aspect ratio, or + * `GLFW_DONT_CARE`. + * @param[in] denom The denominator of the desired aspect ratio, or + * `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @remark If you set size limits and an aspect ratio that conflict, the + * results are undefined. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_sizelimits + * @sa glfwSetWindowSizeLimits + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom); + +/*! @brief Sets the size of the client area of the specified window. + * + * This function sets the size, in screen coordinates, of the client area of + * the specified window. + * + * For full screen windows, this function updates the resolution of its desired + * video mode and switches to the video mode closest to it, without affecting + * the window's context. As the context is unaffected, the bit depths of the + * framebuffer remain unchanged. + * + * If you wish to update the refresh rate of the desired video mode in addition + * to its resolution, see @ref glfwSetWindowMonitor. + * + * The window manager may put limits on what sizes are allowed. GLFW cannot + * and should not override these limits. + * + * @param[in] window The window to resize. + * @param[in] width The desired width, in screen coordinates, of the window + * client area. + * @param[in] height The desired height, in screen coordinates, of the window + * client area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * @sa glfwGetWindowSize + * @sa glfwSetWindowMonitor + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height); + +/*! @brief Retrieves the size of the framebuffer of the specified window. + * + * This function retrieves the size, in pixels, of the framebuffer of the + * specified window. If you wish to retrieve the size of the window in screen + * coordinates, see @ref glfwGetWindowSize. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose framebuffer to query. + * @param[out] width Where to store the width, in pixels, of the framebuffer, + * or `NULL`. + * @param[out] height Where to store the height, in pixels, of the framebuffer, + * or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_fbsize + * @sa glfwSetFramebufferSizeCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height); + +/*! @brief Retrieves the size of the frame of the window. + * + * This function retrieves the size, in screen coordinates, of each edge of the + * frame of the specified window. This size includes the title bar, if the + * window has one. The size of the frame may vary depending on the + * [window-related hints](@ref window_hints_wnd) used to create it. + * + * Because this function retrieves the size of each window frame edge and not + * the offset along a particular coordinate axis, the retrieved values will + * always be zero or positive. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose frame size to query. + * @param[out] left Where to store the size, in screen coordinates, of the left + * edge of the window frame, or `NULL`. + * @param[out] top Where to store the size, in screen coordinates, of the top + * edge of the window frame, or `NULL`. + * @param[out] right Where to store the size, in screen coordinates, of the + * right edge of the window frame, or `NULL`. + * @param[out] bottom Where to store the size, in screen coordinates, of the + * bottom edge of the window frame, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * + * @since Added in version 3.1. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom); + +/*! @brief Iconifies the specified window. + * + * This function iconifies (minimizes) the specified window if it was + * previously restored. If the window is already iconified, this function does + * nothing. + * + * If the specified window is a full screen window, the original monitor + * resolution is restored until the window is restored. + * + * @param[in] window The window to iconify. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * @sa glfwRestoreWindow + * @sa glfwMaximizeWindow + * + * @since Added in version 2.1. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwIconifyWindow(GLFWwindow* window); + +/*! @brief Restores the specified window. + * + * This function restores the specified window if it was previously iconified + * (minimized) or maximized. If the window is already restored, this function + * does nothing. + * + * If the specified window is a full screen window, the resolution chosen for + * the window is restored on the selected monitor. + * + * @param[in] window The window to restore. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * @sa glfwIconifyWindow + * @sa glfwMaximizeWindow + * + * @since Added in version 2.1. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwRestoreWindow(GLFWwindow* window); + +/*! @brief Maximizes the specified window. + * + * This function maximizes the specified window if it was previously not + * maximized. If the window is already maximized, this function does nothing. + * + * If the specified window is a full screen window, this function does nothing. + * + * @param[in] window The window to maximize. + * + * @par Thread Safety + * This function may only be called from the main thread. + * + * @sa @ref window_iconify + * @sa glfwIconifyWindow + * @sa glfwRestoreWindow + * + * @since Added in GLFW 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwMaximizeWindow(GLFWwindow* window); + +/*! @brief Makes the specified window visible. + * + * This function makes the specified window visible if it was previously + * hidden. If the window is already visible or is in full screen mode, this + * function does nothing. + * + * @param[in] window The window to make visible. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hide + * @sa glfwHideWindow + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwShowWindow(GLFWwindow* window); + +/*! @brief Hides the specified window. + * + * This function hides the specified window if it was previously visible. If + * the window is already hidden or is in full screen mode, this function does + * nothing. + * + * @param[in] window The window to hide. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hide + * @sa glfwShowWindow + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwHideWindow(GLFWwindow* window); + +/*! @brief Brings the specified window to front and sets input focus. + * + * This function brings the specified window to front and sets input focus. + * The window should already be visible and not iconified. + * + * By default, both windowed and full screen mode windows are focused when + * initially created. Set the [GLFW_FOCUSED](@ref window_hints_wnd) to disable + * this behavior. + * + * __Do not use this function__ to steal focus from other applications unless + * you are certain that is what the user wants. Focus stealing can be + * extremely disruptive. + * + * @param[in] window The window to give input focus. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_focus + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwFocusWindow(GLFWwindow* window); + +/*! @brief Returns the monitor that the window uses for full screen mode. + * + * This function returns the handle of the monitor that the specified window is + * in full screen on. + * + * @param[in] window The window to query. + * @return The monitor, or `NULL` if the window is in windowed mode or an error + * occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_monitor + * @sa glfwSetWindowMonitor + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window); + +/*! @brief Sets the mode, monitor, video mode and placement of a window. + * + * This function sets the monitor that the window uses for full screen mode or, + * if the monitor is `NULL`, makes it windowed mode. + * + * When setting a monitor, this function updates the width, height and refresh + * rate of the desired video mode and switches to the video mode closest to it. + * The window position is ignored when setting a monitor. + * + * When the monitor is `NULL`, the position, width and height are used to + * place the window client area. The refresh rate is ignored when no monitor + * is specified. + * + * If you only wish to update the resolution of a full screen window or the + * size of a windowed mode window, see @ref glfwSetWindowSize. + * + * When a window transitions from full screen to windowed mode, this function + * restores any previous window settings such as whether it is decorated, + * floating, resizable, has size or aspect ratio limits, etc.. + * + * @param[in] window The window whose monitor, size or video mode to set. + * @param[in] monitor The desired monitor, or `NULL` to set windowed mode. + * @param[in] xpos The desired x-coordinate of the upper-left corner of the + * client area. + * @param[in] ypos The desired y-coordinate of the upper-left corner of the + * client area. + * @param[in] width The desired with, in screen coordinates, of the client area + * or video mode. + * @param[in] height The desired height, in screen coordinates, of the client + * area or video mode. + * @param[in] refreshRate The desired refresh rate, in Hz, of the video mode. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_monitor + * @sa @ref window_full_screen + * @sa glfwGetWindowMonitor + * @sa glfwSetWindowSize + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate); + +/*! @brief Returns an attribute of the specified window. + * + * This function returns the value of an attribute of the specified window or + * its OpenGL or OpenGL ES context. + * + * @param[in] window The window to query. + * @param[in] attrib The [window attribute](@ref window_attribs) whose value to + * return. + * @return The value of the attribute, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @remark Framebuffer related hints are not window attributes. See @ref + * window_attribs_fb for more information. + * + * @remark Zero is a valid value for many window and context related + * attributes so you cannot use a return value of zero as an indication of + * errors. However, this function should not fail as long as it is passed + * valid arguments and the library has been [initialized](@ref intro_init). + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_attribs + * + * @since Added in version 3.0. Replaces `glfwGetWindowParam` and + * `glfwGetGLVersion`. + * + * @ingroup window + */ +GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib); + +/*! @brief Sets the user pointer of the specified window. + * + * This function sets the user-defined pointer of the specified window. The + * current value is retained until the window is destroyed. The initial value + * is `NULL`. + * + * @param[in] window The window whose pointer to set. + * @param[in] pointer The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_userptr + * @sa glfwGetWindowUserPointer + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer); + +/*! @brief Returns the user pointer of the specified window. + * + * This function returns the current value of the user-defined pointer of the + * specified window. The initial value is `NULL`. + * + * @param[in] window The window whose pointer to return. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_userptr + * @sa glfwSetWindowUserPointer + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window); + +/*! @brief Sets the position callback for the specified window. + * + * This function sets the position callback of the specified window, which is + * called when the window is moved. The callback is provided with the screen + * position of the upper-left corner of the client area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun); + +/*! @brief Sets the size callback for the specified window. + * + * This function sets the size callback of the specified window, which is + * called when the window is resized. The callback is provided with the size, + * in screen coordinates, of the client area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun); + +/*! @brief Sets the close callback for the specified window. + * + * This function sets the close callback of the specified window, which is + * called when the user attempts to close the window, for example by clicking + * the close widget in the title bar. + * + * The close flag is set before this callback is called, but you can modify it + * at any time with @ref glfwSetWindowShouldClose. + * + * The close callback is not triggered by @ref glfwDestroyWindow. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @osx Selecting Quit from the application menu will trigger the close + * callback for all windows. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_close + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun); + +/*! @brief Sets the refresh callback for the specified window. + * + * This function sets the refresh callback of the specified window, which is + * called when the client area of the window needs to be redrawn, for example + * if the window has been exposed after having been covered by another window. + * + * On compositing window systems such as Aero, Compiz or Aqua, where the window + * contents are saved off-screen, this callback may be called only very + * infrequently or never at all. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_refresh + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun); + +/*! @brief Sets the focus callback for the specified window. + * + * This function sets the focus callback of the specified window, which is + * called when the window gains or loses input focus. + * + * After the focus callback is called for a window that lost input focus, + * synthetic key and mouse button release events will be generated for all such + * that had been pressed. For more information, see @ref glfwSetKeyCallback + * and @ref glfwSetMouseButtonCallback. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_focus + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun); + +/*! @brief Sets the iconify callback for the specified window. + * + * This function sets the iconification callback of the specified window, which + * is called when the window is iconified or restored. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun); + +/*! @brief Sets the framebuffer resize callback for the specified window. + * + * This function sets the framebuffer resize callback of the specified window, + * which is called when the framebuffer of the specified window is resized. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_fbsize + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun cbfun); + +/*! @brief Processes all pending events. + * + * This function processes only those events that are already in the event + * queue and then returns immediately. Processing events will cause the window + * and input callbacks associated with those events to be called. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * On some platforms, certain events are sent directly to the application + * without going through the event queue, causing callbacks to be called + * outside of a call to one of the event processing functions. + * + * Event processing is not required for joystick input to work. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa glfwWaitEvents + * @sa glfwWaitEventsTimeout + * + * @since Added in version 1.0. + * + * @ingroup window + */ +GLFWAPI void glfwPollEvents(void); + +/*! @brief Waits until events are queued and processes them. + * + * This function puts the calling thread to sleep until at least one event is + * available in the event queue. Once one or more events are available, + * it behaves exactly like @ref glfwPollEvents, i.e. the events in the queue + * are processed and the function then returns immediately. Processing events + * will cause the window and input callbacks associated with those events to be + * called. + * + * Since not all events are associated with callbacks, this function may return + * without a callback having been called even if you are monitoring all + * callbacks. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * On some platforms, certain callbacks may be called outside of a call to one + * of the event processing functions. + * + * If no windows exist, this function returns immediately. For synchronization + * of threads in applications that do not create windows, use your threading + * library of choice. + * + * Event processing is not required for joystick input to work. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa glfwPollEvents + * @sa glfwWaitEventsTimeout + * + * @since Added in version 2.5. + * + * @ingroup window + */ +GLFWAPI void glfwWaitEvents(void); + +/*! @brief Waits with timeout until events are queued and processes them. + * + * This function puts the calling thread to sleep until at least one event is + * available in the event queue, or until the specified timeout is reached. If + * one or more events are available, it behaves exactly like @ref + * glfwPollEvents, i.e. the events in the queue are processed and the function + * then returns immediately. Processing events will cause the window and input + * callbacks associated with those events to be called. + * + * The timeout value must be a positive finite number. + * + * Since not all events are associated with callbacks, this function may return + * without a callback having been called even if you are monitoring all + * callbacks. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * On some platforms, certain callbacks may be called outside of a call to one + * of the event processing functions. + * + * If no windows exist, this function returns immediately. For synchronization + * of threads in applications that do not create windows, use your threading + * library of choice. + * + * Event processing is not required for joystick input to work. + * + * @param[in] timeout The maximum amount of time, in seconds, to wait. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa glfwPollEvents + * @sa glfwWaitEvents + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwWaitEventsTimeout(double timeout); + +/*! @brief Posts an empty event to the event queue. + * + * This function posts an empty event from the current thread to the event + * queue, causing @ref glfwWaitEvents to return. + * + * If no windows exist, this function returns immediately. For synchronization + * of threads in applications that do not create windows, use your threading + * library of choice. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref events + * @sa glfwWaitEvents + * + * @since Added in version 3.1. + * + * @ingroup window + */ +GLFWAPI void glfwPostEmptyEvent(void); + +/*! @brief Returns the value of an input option for the specified window. + * + * This function returns the value of an input option for the specified window. + * The mode must be one of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * + * @param[in] window The window to query. + * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa glfwSetInputMode + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode); + +/*! @brief Sets an input option for the specified window. + * + * This function sets an input mode option for the specified window. The mode + * must be one of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * + * If the mode is `GLFW_CURSOR`, the value must be one of the following cursor + * modes: + * - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally. + * - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the client + * area of the window but does not restrict the cursor from leaving. + * - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual + * and unlimited cursor movement. This is useful for implementing for + * example 3D camera controls. + * + * If the mode is `GLFW_STICKY_KEYS`, the value must be either `GLFW_TRUE` to + * enable sticky keys, or `GLFW_FALSE` to disable it. If sticky keys are + * enabled, a key press will ensure that @ref glfwGetKey returns `GLFW_PRESS` + * the next time it is called even if the key had been released before the + * call. This is useful when you are only interested in whether keys have been + * pressed but not when or in which order. + * + * If the mode is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either + * `GLFW_TRUE` to enable sticky mouse buttons, or `GLFW_FALSE` to disable it. + * If sticky mouse buttons are enabled, a mouse button press will ensure that + * @ref glfwGetMouseButton returns `GLFW_PRESS` the next time it is called even + * if the mouse button had been released before the call. This is useful when + * you are only interested in whether mouse buttons have been pressed but not + * when or in which order. + * + * @param[in] window The window whose input mode to set. + * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * @param[in] value The new value of the specified input mode. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa glfwGetInputMode + * + * @since Added in version 3.0. Replaces `glfwEnable` and `glfwDisable`. + * + * @ingroup input + */ +GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value); + +/*! @brief Returns the localized name of the specified printable key. + * + * This function returns the localized name of the specified printable key. + * This is intended for displaying key bindings to the user. + * + * If the key is `GLFW_KEY_UNKNOWN`, the scancode is used instead, otherwise + * the scancode is ignored. If a non-printable key or (if the key is + * `GLFW_KEY_UNKNOWN`) a scancode that maps to a non-printable key is + * specified, this function returns `NULL`. + * + * This behavior allows you to pass in the arguments passed to the + * [key callback](@ref input_key) without modification. + * + * The printable keys are: + * - `GLFW_KEY_APOSTROPHE` + * - `GLFW_KEY_COMMA` + * - `GLFW_KEY_MINUS` + * - `GLFW_KEY_PERIOD` + * - `GLFW_KEY_SLASH` + * - `GLFW_KEY_SEMICOLON` + * - `GLFW_KEY_EQUAL` + * - `GLFW_KEY_LEFT_BRACKET` + * - `GLFW_KEY_RIGHT_BRACKET` + * - `GLFW_KEY_BACKSLASH` + * - `GLFW_KEY_WORLD_1` + * - `GLFW_KEY_WORLD_2` + * - `GLFW_KEY_0` to `GLFW_KEY_9` + * - `GLFW_KEY_A` to `GLFW_KEY_Z` + * - `GLFW_KEY_KP_0` to `GLFW_KEY_KP_9` + * - `GLFW_KEY_KP_DECIMAL` + * - `GLFW_KEY_KP_DIVIDE` + * - `GLFW_KEY_KP_MULTIPLY` + * - `GLFW_KEY_KP_SUBTRACT` + * - `GLFW_KEY_KP_ADD` + * - `GLFW_KEY_KP_EQUAL` + * + * @param[in] key The key to query, or `GLFW_KEY_UNKNOWN`. + * @param[in] scancode The scancode of the key to query. + * @return The localized name of the key, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetKeyName, or until the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key_name + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetKeyName(int key, int scancode); + +/*! @brief Returns the last reported state of a keyboard key for the specified + * window. + * + * This function returns the last state reported for the specified key to the + * specified window. The returned state is one of `GLFW_PRESS` or + * `GLFW_RELEASE`. The higher-level action `GLFW_REPEAT` is only reported to + * the key callback. + * + * If the `GLFW_STICKY_KEYS` input mode is enabled, this function returns + * `GLFW_PRESS` the first time you call it for a key that was pressed, even if + * that key has already been released. + * + * The key functions deal with physical keys, with [key tokens](@ref keys) + * named after their use on the standard US keyboard layout. If you want to + * input text, use the Unicode character callback instead. + * + * The [modifier key bit masks](@ref mods) are not key tokens and cannot be + * used with this function. + * + * __Do not use this function__ to implement [text input](@ref input_char). + * + * @param[in] window The desired window. + * @param[in] key The desired [keyboard key](@ref keys). `GLFW_KEY_UNKNOWN` is + * not a valid key for this function. + * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +GLFWAPI int glfwGetKey(GLFWwindow* window, int key); + +/*! @brief Returns the last reported state of a mouse button for the specified + * window. + * + * This function returns the last state reported for the specified mouse button + * to the specified window. The returned state is one of `GLFW_PRESS` or + * `GLFW_RELEASE`. + * + * If the `GLFW_STICKY_MOUSE_BUTTONS` input mode is enabled, this function + * `GLFW_PRESS` the first time you call it for a mouse button that was pressed, + * even if that mouse button has already been released. + * + * @param[in] window The desired window. + * @param[in] button The desired [mouse button](@ref buttons). + * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_mouse_button + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button); + +/*! @brief Retrieves the position of the cursor relative to the client area of + * the window. + * + * This function returns the position of the cursor, in screen coordinates, + * relative to the upper-left corner of the client area of the specified + * window. + * + * If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor + * position is unbounded and limited only by the minimum and maximum values of + * a `double`. + * + * The coordinate can be converted to their integer equivalents with the + * `floor` function. Casting directly to an integer type works for positive + * coordinates, but fails for negative ones. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] window The desired window. + * @param[out] xpos Where to store the cursor x-coordinate, relative to the + * left edge of the client area, or `NULL`. + * @param[out] ypos Where to store the cursor y-coordinate, relative to the to + * top edge of the client area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * @sa glfwSetCursorPos + * + * @since Added in version 3.0. Replaces `glfwGetMousePos`. + * + * @ingroup input + */ +GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos); + +/*! @brief Sets the position of the cursor, relative to the client area of the + * window. + * + * This function sets the position, in screen coordinates, of the cursor + * relative to the upper-left corner of the client area of the specified + * window. The window must have input focus. If the window does not have + * input focus when this function is called, it fails silently. + * + * __Do not use this function__ to implement things like camera controls. GLFW + * already provides the `GLFW_CURSOR_DISABLED` cursor mode that hides the + * cursor, transparently re-centers it and provides unconstrained cursor + * motion. See @ref glfwSetInputMode for more information. + * + * If the cursor mode is `GLFW_CURSOR_DISABLED` then the cursor position is + * unconstrained and limited only by the minimum and maximum values of + * a `double`. + * + * @param[in] window The desired window. + * @param[in] xpos The desired x-coordinate, relative to the left edge of the + * client area. + * @param[in] ypos The desired y-coordinate, relative to the top edge of the + * client area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for + * the window focus event to arrive. This means you may not be able to set the + * cursor position directly after window creation. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * @sa glfwGetCursorPos + * + * @since Added in version 3.0. Replaces `glfwSetMousePos`. + * + * @ingroup input + */ +GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos); + +/*! @brief Creates a custom cursor. + * + * Creates a new custom cursor image that can be set for a window with @ref + * glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor. + * Any remaining cursors are destroyed by @ref glfwTerminate. + * + * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight + * bits per channel. They are arranged canonically as packed sequential rows, + * starting from the top-left corner. + * + * The cursor hotspot is specified in pixels, relative to the upper-left corner + * of the cursor image. Like all other coordinate systems in GLFW, the X-axis + * points to the right and the Y-axis points down. + * + * @param[in] image The desired cursor image. + * @param[in] xhot The desired x-coordinate, in pixels, of the cursor hotspot. + * @param[in] yhot The desired y-coordinate, in pixels, of the cursor hotspot. + * @return The handle of the created cursor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified image data is copied before this function + * returns. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa glfwDestroyCursor + * @sa glfwCreateStandardCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot); + +/*! @brief Creates a cursor with a standard shape. + * + * Returns a cursor with a [standard shape](@ref shapes), that can be set for + * a window with @ref glfwSetCursor. + * + * @param[in] shape One of the [standard shapes](@ref shapes). + * @return A new cursor ready to use or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa glfwCreateCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape); + +/*! @brief Destroys a cursor. + * + * This function destroys a cursor previously created with @ref + * glfwCreateCursor. Any remaining cursors will be destroyed by @ref + * glfwTerminate. + * + * @param[in] cursor The cursor object to destroy. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa glfwCreateCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor); + +/*! @brief Sets the cursor for the window. + * + * This function sets the cursor image to be used when the cursor is over the + * client area of the specified window. The set cursor will only be visible + * when the [cursor mode](@ref cursor_mode) of the window is + * `GLFW_CURSOR_NORMAL`. + * + * On some platforms, the set cursor may not be visible unless the window also + * has input focus. + * + * @param[in] window The window to set the cursor for. + * @param[in] cursor The cursor to set, or `NULL` to switch back to the default + * arrow cursor. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor); + +/*! @brief Sets the key callback. + * + * This function sets the key callback of the specified window, which is called + * when a key is pressed, repeated or released. + * + * The key functions deal with physical keys, with layout independent + * [key tokens](@ref keys) named after their values in the standard US keyboard + * layout. If you want to input text, use the + * [character callback](@ref glfwSetCharCallback) instead. + * + * When a window loses input focus, it will generate synthetic key release + * events for all pressed keys. You can tell these events from user-generated + * events by the fact that the synthetic ones are generated after the focus + * loss event has been processed, i.e. after the + * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. + * + * The scancode of a key is specific to that platform or sometimes even to that + * machine. Scancodes are intended to allow users to bind keys that don't have + * a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their + * state is not saved and so it cannot be queried with @ref glfwGetKey. + * + * Sometimes GLFW needs to generate synthetic key events, in which case the + * scancode may be zero. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new key callback, or `NULL` to remove the currently + * set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun); + +/*! @brief Sets the Unicode character callback. + * + * This function sets the character callback of the specified window, which is + * called when a Unicode character is input. + * + * The character callback is intended for Unicode text input. As it deals with + * characters, it is keyboard layout dependent, whereas the + * [key callback](@ref glfwSetKeyCallback) is not. Characters do not map 1:1 + * to physical keys, as a key may produce zero, one or more characters. If you + * want to know whether a specific physical key was pressed or released, see + * the key callback instead. + * + * The character callback behaves as system text input normally does and will + * not be called if modifier keys are held down that would prevent normal text + * input on that platform, for example a Super (Command) key on OS X or Alt key + * on Windows. There is a + * [character with modifiers callback](@ref glfwSetCharModsCallback) that + * receives these events. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_char + * + * @since Added in version 2.4. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun); + +/*! @brief Sets the Unicode character with modifiers callback. + * + * This function sets the character with modifiers callback of the specified + * window, which is called when a Unicode character is input regardless of what + * modifier keys are used. + * + * The character with modifiers callback is intended for implementing custom + * Unicode character input. For regular Unicode text input, see the + * [character callback](@ref glfwSetCharCallback). Like the character + * callback, the character with modifiers callback deals with characters and is + * keyboard layout dependent. Characters do not map 1:1 to physical keys, as + * a key may produce zero, one or more characters. If you want to know whether + * a specific physical key was pressed or released, see the + * [key callback](@ref glfwSetKeyCallback) instead. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or an + * error occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_char + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* window, GLFWcharmodsfun cbfun); + +/*! @brief Sets the mouse button callback. + * + * This function sets the mouse button callback of the specified window, which + * is called when a mouse button is pressed or released. + * + * When a window loses input focus, it will generate synthetic mouse button + * release events for all pressed mouse buttons. You can tell these events + * from user-generated events by the fact that the synthetic ones are generated + * after the focus loss event has been processed, i.e. after the + * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_mouse_button + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun); + +/*! @brief Sets the cursor position callback. + * + * This function sets the cursor position callback of the specified window, + * which is called when the cursor is moved. The callback is provided with the + * position, in screen coordinates, relative to the upper-left corner of the + * client area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * + * @since Added in version 3.0. Replaces `glfwSetMousePosCallback`. + * + * @ingroup input + */ +GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun); + +/*! @brief Sets the cursor enter/exit callback. + * + * This function sets the cursor boundary crossing callback of the specified + * window, which is called when the cursor enters or leaves the client area of + * the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_enter + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun); + +/*! @brief Sets the scroll callback. + * + * This function sets the scroll callback of the specified window, which is + * called when a scrolling device is used, such as a mouse wheel or scrolling + * area of a touchpad. + * + * The scroll callback receives all scrolling input, like that from a mouse + * wheel or a touchpad scrolling area. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new scroll callback, or `NULL` to remove the currently + * set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref scrolling + * + * @since Added in version 3.0. Replaces `glfwSetMouseWheelCallback`. + * + * @ingroup input + */ +GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun); + +/*! @brief Sets the file drop callback. + * + * This function sets the file drop callback of the specified window, which is + * called when one or more dragged files are dropped on the window. + * + * Because the path array and its strings may have been generated specifically + * for that event, they are not guaranteed to be valid after the callback has + * returned. If you wish to use them after the callback returns, you need to + * make a deep copy. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new file drop callback, or `NULL` to remove the + * currently set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref path_drop + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun cbfun); + +/*! @brief Returns whether the specified joystick is present. + * + * This function returns whether the specified joystick is present. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @return `GLFW_TRUE` if the joystick is present, or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick + * + * @since Added in version 3.0. Replaces `glfwGetJoystickParam`. + * + * @ingroup input + */ +GLFWAPI int glfwJoystickPresent(int joy); + +/*! @brief Returns the values of all axes of the specified joystick. + * + * This function returns the values of all axes of the specified joystick. + * Each element in the array is a value between -1.0 and 1.0. + * + * Querying a joystick slot with no device present is not an error, but will + * cause this function to return `NULL`. Call @ref glfwJoystickPresent to + * check device presence. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of axis values in the returned + * array. This is set to zero if an error occurred. + * @return An array of axis values, or `NULL` if the joystick is not present. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_axis + * + * @since Added in version 3.0. Replaces `glfwGetJoystickPos`. + * + * @ingroup input + */ +GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count); + +/*! @brief Returns the state of all buttons of the specified joystick. + * + * This function returns the state of all buttons of the specified joystick. + * Each element in the array is either `GLFW_PRESS` or `GLFW_RELEASE`. + * + * Querying a joystick slot with no device present is not an error, but will + * cause this function to return `NULL`. Call @ref glfwJoystickPresent to + * check device presence. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of button states in the returned + * array. This is set to zero if an error occurred. + * @return An array of button states, or `NULL` if the joystick is not present. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_button + * + * @since Added in version 2.2. + * @glfw3 Changed to return a dynamic array. + * + * @ingroup input + */ +GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count); + +/*! @brief Returns the name of the specified joystick. + * + * This function returns the name, encoded as UTF-8, of the specified joystick. + * The returned string is allocated and freed by GLFW. You should not free it + * yourself. + * + * Querying a joystick slot with no device present is not an error, but will + * cause this function to return `NULL`. Call @ref glfwJoystickPresent to + * check device presence. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick + * is not present. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_name + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetJoystickName(int joy); + +/*! @brief Sets the joystick configuration callback. + * + * This function sets the joystick configuration callback, or removes the + * currently set callback. This is called when a joystick is connected to or + * disconnected from the system. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_event + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun); + +/*! @brief Sets the clipboard to the specified string. + * + * This function sets the system clipboard to the specified, UTF-8 encoded + * string. + * + * @param[in] window The window that will own the clipboard contents. + * @param[in] string A UTF-8 encoded string. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified string is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa glfwGetClipboardString + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string); + +/*! @brief Returns the contents of the clipboard as a string. + * + * This function returns the contents of the system clipboard, if it contains + * or is convertible to a UTF-8 encoded string. If the clipboard is empty or + * if its contents cannot be converted, `NULL` is returned and a @ref + * GLFW_FORMAT_UNAVAILABLE error is generated. + * + * @param[in] window The window that will request the clipboard contents. + * @return The contents of the clipboard as a UTF-8 encoded string, or `NULL` + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetClipboardString or @ref glfwSetClipboardString, or until the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa glfwSetClipboardString + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window); + +/*! @brief Returns the value of the GLFW timer. + * + * This function returns the value of the GLFW timer. Unless the timer has + * been set using @ref glfwSetTime, the timer measures time elapsed since GLFW + * was initialized. + * + * The resolution of the timer is system dependent, but is usually on the order + * of a few micro- or nanoseconds. It uses the highest-resolution monotonic + * time source on each supported platform. + * + * @return The current value, in seconds, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Reading of the + * internal timer offset is not atomic. + * + * @sa @ref time + * + * @since Added in version 1.0. + * + * @ingroup input + */ +GLFWAPI double glfwGetTime(void); + +/*! @brief Sets the GLFW timer. + * + * This function sets the value of the GLFW timer. It then continues to count + * up from that value. The value must be a positive finite number less than + * or equal to 18446744073.0, which is approximately 584.5 years. + * + * @param[in] time The new value, in seconds. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_VALUE. + * + * @remark The upper limit of the timer is calculated as + * floor((2<sup>64</sup> - 1) / 10<sup>9</sup>) and is due to implementations + * storing nanoseconds in 64 bits. The limit may be increased in the future. + * + * @thread_safety This function may be called from any thread. Writing of the + * internal timer offset is not atomic. + * + * @sa @ref time + * + * @since Added in version 2.2. + * + * @ingroup input + */ +GLFWAPI void glfwSetTime(double time); + +/*! @brief Returns the current value of the raw timer. + * + * This function returns the current value of the raw timer, measured in + * 1 / frequency seconds. To get the frequency, call @ref + * glfwGetTimerFrequency. + * + * @return The value of the timer, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref time + * @sa glfwGetTimerFrequency + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI uint64_t glfwGetTimerValue(void); + +/*! @brief Returns the frequency, in Hz, of the raw timer. + * + * This function returns the frequency, in Hz, of the raw timer. + * + * @return The frequency of the timer, in Hz, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref time + * @sa glfwGetTimerValue + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI uint64_t glfwGetTimerFrequency(void); + +/*! @brief Makes the context of the specified window current for the calling + * thread. + * + * This function makes the OpenGL or OpenGL ES context of the specified window + * current on the calling thread. A context can only be made current on + * a single thread at a time and each thread can have only a single current + * context at a time. + * + * By default, making a context non-current implicitly forces a pipeline flush. + * On machines that support `GL_KHR_context_flush_control`, you can control + * whether a context performs this flush by setting the + * [GLFW_CONTEXT_RELEASE_BEHAVIOR](@ref window_hints_ctx) window hint. + * + * The specified window must have an OpenGL or OpenGL ES context. Specifying + * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT + * error. + * + * @param[in] window The window whose context to make current, or `NULL` to + * detach the current context. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_current + * @sa glfwGetCurrentContext + * + * @since Added in version 3.0. + * + * @ingroup context + */ +GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window); + +/*! @brief Returns the window whose context is current on the calling thread. + * + * This function returns the window whose OpenGL or OpenGL ES context is + * current on the calling thread. + * + * @return The window whose context is current, or `NULL` if no window's + * context is current. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_current + * @sa glfwMakeContextCurrent + * + * @since Added in version 3.0. + * + * @ingroup context + */ +GLFWAPI GLFWwindow* glfwGetCurrentContext(void); + +/*! @brief Swaps the front and back buffers of the specified window. + * + * This function swaps the front and back buffers of the specified window when + * rendering with OpenGL or OpenGL ES. If the swap interval is greater than + * zero, the GPU driver waits the specified number of screen updates before + * swapping the buffers. + * + * The specified window must have an OpenGL or OpenGL ES context. Specifying + * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT + * error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see `vkQueuePresentKHR` instead. + * + * @param[in] window The window whose buffers to swap. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark __EGL:__ The context of the specified window must be current on the + * calling thread. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref buffer_swap + * @sa glfwSwapInterval + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSwapBuffers(GLFWwindow* window); + +/*! @brief Sets the swap interval for the current context. + * + * This function sets the swap interval for the current OpenGL or OpenGL ES + * context, i.e. the number of screen updates to wait from the time @ref + * glfwSwapBuffers was called before swapping the buffers and returning. This + * is sometimes called _vertical synchronization_, _vertical retrace + * synchronization_ or just _vsync_. + * + * Contexts that support either of the `WGL_EXT_swap_control_tear` and + * `GLX_EXT_swap_control_tear` extensions also accept negative swap intervals, + * which allow the driver to swap even if a frame arrives a little bit late. + * You can check for the presence of these extensions using @ref + * glfwExtensionSupported. For more information about swap tearing, see the + * extension specifications. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see the present mode of your swapchain instead. + * + * @param[in] interval The minimum number of screen updates to wait for + * until the buffers are swapped by @ref glfwSwapBuffers. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark This function is not called during context creation, leaving the + * swap interval set to whatever is the default on that platform. This is done + * because some swap interval extensions used by GLFW do not allow the swap + * interval to be reset to zero once it has been set to a non-zero value. + * + * @remark Some GPU drivers do not honor the requested swap interval, either + * because of a user setting that overrides the application's request or due to + * bugs in the driver. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref buffer_swap + * @sa glfwSwapBuffers + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI void glfwSwapInterval(int interval); + +/*! @brief Returns whether the specified extension is available. + * + * This function returns whether the specified + * [API extension](@ref context_glext) is supported by the current OpenGL or + * OpenGL ES context. It searches both for client API extension and context + * creation API extensions. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * As this functions retrieves and searches one or more extension strings each + * call, it is recommended that you cache its results if it is going to be used + * frequently. The extension strings will not change during the lifetime of + * a context, so there is no danger in doing this. + * + * This function does not apply to Vulkan. If you are using Vulkan, see @ref + * glfwGetRequiredInstanceExtensions, `vkEnumerateInstanceExtensionProperties` + * and `vkEnumerateDeviceExtensionProperties` instead. + * + * @param[in] extension The ASCII encoded name of the extension. + * @return `GLFW_TRUE` if the extension is available, or `GLFW_FALSE` + * otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT, @ref GLFW_INVALID_VALUE and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_glext + * @sa glfwGetProcAddress + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI int glfwExtensionSupported(const char* extension); + +/*! @brief Returns the address of the specified function for the current + * context. + * + * This function returns the address of the specified OpenGL or OpenGL ES + * [core or extension function](@ref context_glext), if it is supported + * by the current context. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see @ref glfwGetInstanceProcAddress, `vkGetInstanceProcAddr` and + * `vkGetDeviceProcAddr` instead. + * + * @param[in] procname The ASCII encoded name of the function. + * @return The address of the function, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark The address of a given function is not guaranteed to be the same + * between contexts. + * + * @remark This function may return a non-`NULL` address despite the + * associated version or extension not being available. Always check the + * context version or extension string first. + * + * @pointer_lifetime The returned function pointer is valid until the context + * is destroyed or the library is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_glext + * @sa glfwExtensionSupported + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname); + +/*! @brief Returns whether the Vulkan loader has been found. + * + * This function returns whether the Vulkan loader has been found. This check + * is performed by @ref glfwInit. + * + * The availability of a Vulkan loader does not by itself guarantee that window + * surface creation or even device creation is possible. Call @ref + * glfwGetRequiredInstanceExtensions to check whether the extensions necessary + * for Vulkan surface creation are available and @ref + * glfwGetPhysicalDevicePresentationSupport to check whether a queue family of + * a physical device supports image presentation. + * + * @return `GLFW_TRUE` if Vulkan is available, or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_support + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI int glfwVulkanSupported(void); + +/*! @brief Returns the Vulkan instance extensions required by GLFW. + * + * This function returns an array of names of Vulkan instance extensions required + * by GLFW for creating Vulkan surfaces for GLFW windows. If successful, the + * list will always contains `VK_KHR_surface`, so if you don't require any + * additional extensions you can pass this list directly to the + * `VkInstanceCreateInfo` struct. + * + * If Vulkan is not available on the machine, this function returns `NULL` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is available. + * + * If Vulkan is available but no set of extensions allowing window surface + * creation was found, this function returns `NULL`. You may still use Vulkan + * for off-screen rendering and compute work. + * + * @param[out] count Where to store the number of extensions in the returned + * array. This is set to zero if an error occurred. + * @return An array of ASCII encoded extension names, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_API_UNAVAILABLE. + * + * @remarks Additional extensions may be required by future versions of GLFW. + * You should check if any extensions you wish to enable are already in the + * returned array, as it is an error to specify an extension more than once in + * the `VkInstanceCreateInfo` struct. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * library is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_ext + * @sa glfwCreateWindowSurface + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count); + +#if defined(VK_VERSION_1_0) + +/*! @brief Returns the address of the specified Vulkan instance function. + * + * This function returns the address of the specified Vulkan core or extension + * function for the specified instance. If instance is set to `NULL` it can + * return any function exported from the Vulkan loader, including at least the + * following functions: + * + * - `vkEnumerateInstanceExtensionProperties` + * - `vkEnumerateInstanceLayerProperties` + * - `vkCreateInstance` + * - `vkGetInstanceProcAddr` + * + * If Vulkan is not available on the machine, this function returns `NULL` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is available. + * + * This function is equivalent to calling `vkGetInstanceProcAddr` with + * a platform-specific query of the Vulkan loader as a fallback. + * + * @param[in] instance The Vulkan instance to query, or `NULL` to retrieve + * functions related to instance creation. + * @param[in] procname The ASCII encoded name of the function. + * @return The address of the function, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_API_UNAVAILABLE. + * + * @pointer_lifetime The returned function pointer is valid until the library + * is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_proc + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance, const char* procname); + +/*! @brief Returns whether the specified queue family can present images. + * + * This function returns whether the specified queue family of the specified + * physical device supports presentation to the platform GLFW was built for. + * + * If Vulkan or the required window surface creation instance extensions are + * not available on the machine, or if the specified instance was not created + * with the required extensions, this function returns `GLFW_FALSE` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is available and @ref + * glfwGetRequiredInstanceExtensions to check what instance extensions are + * required. + * + * @param[in] instance The instance that the physical device belongs to. + * @param[in] device The physical device that the queue family belongs to. + * @param[in] queuefamily The index of the queue family to query. + * @return `GLFW_TRUE` if the queue family supports presentation, or + * `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. For + * synchronization details of Vulkan objects, see the Vulkan specification. + * + * @sa @ref vulkan_present + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily); + +/*! @brief Creates a Vulkan surface for the specified window. + * + * This function creates a Vulkan surface for the specified window. + * + * If the Vulkan loader was not found at initialization, this function returns + * `VK_ERROR_INITIALIZATION_FAILED` and generates a @ref GLFW_API_UNAVAILABLE + * error. Call @ref glfwVulkanSupported to check whether the Vulkan loader was + * found. + * + * If the required window surface creation instance extensions are not + * available or if the specified instance was not created with these extensions + * enabled, this function returns `VK_ERROR_EXTENSION_NOT_PRESENT` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref + * glfwGetRequiredInstanceExtensions to check what instance extensions are + * required. + * + * The window surface must be destroyed before the specified Vulkan instance. + * It is the responsibility of the caller to destroy the window surface. GLFW + * does not destroy it for you. Call `vkDestroySurfaceKHR` to destroy the + * surface. + * + * @param[in] instance The Vulkan instance to create the surface in. + * @param[in] window The window to create the surface for. + * @param[in] allocator The allocator to use, or `NULL` to use the default + * allocator. + * @param[out] surface Where to store the handle of the surface. This is set + * to `VK_NULL_HANDLE` if an error occurred. + * @return `VK_SUCCESS` if successful, or a Vulkan error code if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. + * + * @remarks If an error occurs before the creation call is made, GLFW returns + * the Vulkan error code most appropriate for the error. Appropriate use of + * @ref glfwVulkanSupported and @ref glfwGetRequiredInstanceExtensions should + * eliminate almost all occurrences of these errors. + * + * @thread_safety This function may be called from any thread. For + * synchronization details of Vulkan objects, see the Vulkan specification. + * + * @sa @ref vulkan_surface + * @sa glfwGetRequiredInstanceExtensions + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface); + +#endif /*VK_VERSION_1_0*/ + + +/************************************************************************* + * Global definition cleanup + *************************************************************************/ + +/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */ + +#ifdef GLFW_WINGDIAPI_DEFINED + #undef WINGDIAPI + #undef GLFW_WINGDIAPI_DEFINED +#endif + +#ifdef GLFW_CALLBACK_DEFINED + #undef CALLBACK + #undef GLFW_CALLBACK_DEFINED +#endif + +/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */ + + +#ifdef __cplusplus +} +#endif + +#endif /* _glfw3_h_ */ + diff --git a/src/imgui/examples/libs/glfw/include/GLFW/glfw3native.h b/src/imgui/examples/libs/glfw/include/GLFW/glfw3native.h new file mode 100644 index 0000000..9fa955e --- /dev/null +++ b/src/imgui/examples/libs/glfw/include/GLFW/glfw3native.h @@ -0,0 +1,456 @@ +/************************************************************************* + * GLFW 3.2 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would + * be appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + *************************************************************************/ + +#ifndef _glfw3_native_h_ +#define _glfw3_native_h_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/************************************************************************* + * Doxygen documentation + *************************************************************************/ + +/*! @file glfw3native.h + * @brief The header of the native access functions. + * + * This is the header file of the native access functions. See @ref native for + * more information. + */ +/*! @defgroup native Native access + * + * **By using the native access functions you assert that you know what you're + * doing and how to fix problems caused by using them. If you don't, you + * shouldn't be using them.** + * + * Before the inclusion of @ref glfw3native.h, you may define exactly one + * window system API macro and zero or more context creation API macros. + * + * The chosen backends must match those the library was compiled for. Failure + * to do this will cause a link-time error. + * + * The available window API macros are: + * * `GLFW_EXPOSE_NATIVE_WIN32` + * * `GLFW_EXPOSE_NATIVE_COCOA` + * * `GLFW_EXPOSE_NATIVE_X11` + * * `GLFW_EXPOSE_NATIVE_WAYLAND` + * * `GLFW_EXPOSE_NATIVE_MIR` + * + * The available context API macros are: + * * `GLFW_EXPOSE_NATIVE_WGL` + * * `GLFW_EXPOSE_NATIVE_NSGL` + * * `GLFW_EXPOSE_NATIVE_GLX` + * * `GLFW_EXPOSE_NATIVE_EGL` + * + * These macros select which of the native access functions that are declared + * and which platform-specific headers to include. It is then up your (by + * definition platform-specific) code to handle which of these should be + * defined. + */ + + +/************************************************************************* + * System headers and types + *************************************************************************/ + +#if defined(GLFW_EXPOSE_NATIVE_WIN32) + // This is a workaround for the fact that glfw3.h needs to export APIENTRY (for + // example to allow applications to correctly declare a GL_ARB_debug_output + // callback) but windows.h assumes no one will define APIENTRY before it does + #undef APIENTRY + #include <windows.h> +#elif defined(GLFW_EXPOSE_NATIVE_COCOA) + #include <ApplicationServices/ApplicationServices.h> + #if defined(__OBJC__) + #import <Cocoa/Cocoa.h> + #else + typedef void* id; + #endif +#elif defined(GLFW_EXPOSE_NATIVE_X11) + #include <X11/Xlib.h> + #include <X11/extensions/Xrandr.h> +#elif defined(GLFW_EXPOSE_NATIVE_WAYLAND) + #include <wayland-client.h> +#elif defined(GLFW_EXPOSE_NATIVE_MIR) + #include <mir_toolkit/mir_client_library.h> +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WGL) + /* WGL is declared by windows.h */ +#endif +#if defined(GLFW_EXPOSE_NATIVE_NSGL) + /* NSGL is declared by Cocoa.h */ +#endif +#if defined(GLFW_EXPOSE_NATIVE_GLX) + #include <GL/glx.h> +#endif +#if defined(GLFW_EXPOSE_NATIVE_EGL) + #include <EGL/egl.h> +#endif + + +/************************************************************************* + * Functions + *************************************************************************/ + +#if defined(GLFW_EXPOSE_NATIVE_WIN32) +/*! @brief Returns the adapter device name of the specified monitor. + * + * @return The UTF-8 encoded adapter device name (for example `\\.\DISPLAY1`) + * of the specified monitor, or `NULL` if an [error](@ref error_handling) + * occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor); + +/*! @brief Returns the display device name of the specified monitor. + * + * @return The UTF-8 encoded display device name (for example + * `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor); + +/*! @brief Returns the `HWND` of the specified window. + * + * @return The `HWND` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WGL) +/*! @brief Returns the `HGLRC` of the specified window. + * + * @return The `HGLRC` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_COCOA) +/*! @brief Returns the `CGDirectDisplayID` of the specified monitor. + * + * @return The `CGDirectDisplayID` of the specified monitor, or + * `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the `NSWindow` of the specified window. + * + * @return The `NSWindow` of the specified window, or `nil` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_NSGL) +/*! @brief Returns the `NSOpenGLContext` of the specified window. + * + * @return The `NSOpenGLContext` of the specified window, or `nil` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI id glfwGetNSGLContext(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_X11) +/*! @brief Returns the `Display` used by GLFW. + * + * @return The `Display` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI Display* glfwGetX11Display(void); + +/*! @brief Returns the `RRCrtc` of the specified monitor. + * + * @return The `RRCrtc` of the specified monitor, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor); + +/*! @brief Returns the `RROutput` of the specified monitor. + * + * @return The `RROutput` of the specified monitor, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor); + +/*! @brief Returns the `Window` of the specified window. + * + * @return The `Window` of the specified window, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI Window glfwGetX11Window(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_GLX) +/*! @brief Returns the `GLXContext` of the specified window. + * + * @return The `GLXContext` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window); + +/*! @brief Returns the `GLXWindow` of the specified window. + * + * @return The `GLXWindow` of the specified window, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WAYLAND) +/*! @brief Returns the `struct wl_display*` used by GLFW. + * + * @return The `struct wl_display*` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_display* glfwGetWaylandDisplay(void); + +/*! @brief Returns the `struct wl_output*` of the specified monitor. + * + * @return The `struct wl_output*` of the specified monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the main `struct wl_surface*` of the specified window. + * + * @return The main `struct wl_surface*` of the specified window, or `NULL` if + * an [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_MIR) +/*! @brief Returns the `MirConnection*` used by GLFW. + * + * @return The `MirConnection*` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI MirConnection* glfwGetMirDisplay(void); + +/*! @brief Returns the Mir output ID of the specified monitor. + * + * @return The Mir output ID of the specified monitor, or zero if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI int glfwGetMirMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the `MirSurface*` of the specified window. + * + * @return The `MirSurface*` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI MirSurface* glfwGetMirWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_EGL) +/*! @brief Returns the `EGLDisplay` used by GLFW. + * + * @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLDisplay glfwGetEGLDisplay(void); + +/*! @brief Returns the `EGLContext` of the specified window. + * + * @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window); + +/*! @brief Returns the `EGLSurface` of the specified window. + * + * @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _glfw3_native_h_ */ + diff --git a/src/imgui/examples/libs/glfw/lib-vc2010-32/glfw3.lib b/src/imgui/examples/libs/glfw/lib-vc2010-32/glfw3.lib Binary files differnew file mode 100644 index 0000000..348abec --- /dev/null +++ b/src/imgui/examples/libs/glfw/lib-vc2010-32/glfw3.lib diff --git a/src/imgui/examples/libs/glfw/lib-vc2010-64/glfw3.lib b/src/imgui/examples/libs/glfw/lib-vc2010-64/glfw3.lib Binary files differnew file mode 100644 index 0000000..768f308 --- /dev/null +++ b/src/imgui/examples/libs/glfw/lib-vc2010-64/glfw3.lib diff --git a/src/imgui/examples/libs/usynergy/README.txt b/src/imgui/examples/libs/usynergy/README.txt new file mode 100644 index 0000000..c86b909 --- /dev/null +++ b/src/imgui/examples/libs/usynergy/README.txt @@ -0,0 +1,8 @@ + +uSynergy client -- Implementation for the embedded Synergy client library +version 1.0.0, July 7th, 2012 +Copyright (c) 2012 Alex Evans + +This is a copy of the files once found at: + https://github.com/symless/synergy-core/tree/790d108a56ada9caad8e56ff777d444485a69da9/src/micro + diff --git a/src/imgui/examples/libs/usynergy/uSynergy.c b/src/imgui/examples/libs/usynergy/uSynergy.c new file mode 100644 index 0000000..8dce47b --- /dev/null +++ b/src/imgui/examples/libs/usynergy/uSynergy.c @@ -0,0 +1,636 @@ +/* +uSynergy client -- Implementation for the embedded Synergy client library + version 1.0.0, July 7th, 2012 + +Copyright (c) 2012 Alex Evans + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ +#include "uSynergy.h" +#include <stdio.h> +#include <string.h> + + + +//--------------------------------------------------------------------------------------------------------------------- +// Internal helpers +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Read 16 bit integer in network byte order and convert to native byte order +**/ +static int16_t sNetToNative16(const unsigned char *value) +{ +#ifdef USYNERGY_LITTLE_ENDIAN + return value[1] | (value[0] << 8); +#else + return value[0] | (value[1] << 8); +#endif +} + + + +/** +@brief Read 32 bit integer in network byte order and convert to native byte order +**/ +static int32_t sNetToNative32(const unsigned char *value) +{ +#ifdef USYNERGY_LITTLE_ENDIAN + return value[3] | (value[2] << 8) | (value[1] << 16) | (value[0] << 24); +#else + return value[0] | (value[1] << 8) | (value[2] << 16) | (value[3] << 24); +#endif +} + + + +/** +@brief Trace text to client +**/ +static void sTrace(uSynergyContext *context, const char* text) +{ + // Don't trace if we don't have a trace function + if (context->m_traceFunc != 0L) + context->m_traceFunc(context->m_cookie, text); +} + + + +/** +@brief Add string to reply packet +**/ +static void sAddString(uSynergyContext *context, const char *string) +{ + size_t len = strlen(string); + memcpy(context->m_replyCur, string, len); + context->m_replyCur += len; +} + + + +/** +@brief Add uint8 to reply packet +**/ +static void sAddUInt8(uSynergyContext *context, uint8_t value) +{ + *context->m_replyCur++ = value; +} + + + +/** +@brief Add uint16 to reply packet +**/ +static void sAddUInt16(uSynergyContext *context, uint16_t value) +{ + uint8_t *reply = context->m_replyCur; + *reply++ = (uint8_t)(value >> 8); + *reply++ = (uint8_t)value; + context->m_replyCur = reply; +} + + + +/** +@brief Add uint32 to reply packet +**/ +static void sAddUInt32(uSynergyContext *context, uint32_t value) +{ + uint8_t *reply = context->m_replyCur; + *reply++ = (uint8_t)(value >> 24); + *reply++ = (uint8_t)(value >> 16); + *reply++ = (uint8_t)(value >> 8); + *reply++ = (uint8_t)value; + context->m_replyCur = reply; +} + + + +/** +@brief Send reply packet +**/ +static uSynergyBool sSendReply(uSynergyContext *context) +{ + // Set header size + uint8_t *reply_buf = context->m_replyBuffer; + uint32_t reply_len = (uint32_t)(context->m_replyCur - reply_buf); /* Total size of reply */ + uint32_t body_len = reply_len - 4; /* Size of body */ + uSynergyBool ret; + reply_buf[0] = (uint8_t)(body_len >> 24); + reply_buf[1] = (uint8_t)(body_len >> 16); + reply_buf[2] = (uint8_t)(body_len >> 8); + reply_buf[3] = (uint8_t)body_len; + + // Send reply + ret = context->m_sendFunc(context->m_cookie, context->m_replyBuffer, reply_len); + + // Reset reply buffer write pointer + context->m_replyCur = context->m_replyBuffer+4; + return ret; +} + + + +/** +@brief Call mouse callback after a mouse event +**/ +static void sSendMouseCallback(uSynergyContext *context) +{ + // Skip if no callback is installed + if (context->m_mouseCallback == 0L) + return; + + // Send callback + context->m_mouseCallback(context->m_cookie, context->m_mouseX, context->m_mouseY, context->m_mouseWheelX, + context->m_mouseWheelY, context->m_mouseButtonLeft, context->m_mouseButtonRight, context->m_mouseButtonMiddle); +} + + + +/** +@brief Send keyboard callback when a key has been pressed or released +**/ +static void sSendKeyboardCallback(uSynergyContext *context, uint16_t key, uint16_t modifiers, uSynergyBool down, uSynergyBool repeat) +{ + // Skip if no callback is installed + if (context->m_keyboardCallback == 0L) + return; + + // Send callback + context->m_keyboardCallback(context->m_cookie, key, modifiers, down, repeat); +} + + + +/** +@brief Send joystick callback +**/ +static void sSendJoystickCallback(uSynergyContext *context, uint8_t joyNum) +{ + int8_t *sticks; + + // Skip if no callback is installed + if (context->m_joystickCallback == 0L) + return; + + // Send callback + sticks = context->m_joystickSticks[joyNum]; + context->m_joystickCallback(context->m_cookie, joyNum, context->m_joystickButtons[joyNum], sticks[0], sticks[1], sticks[2], sticks[3]); +} + + + +/** +@brief Parse a single client message, update state, send callbacks and send replies +**/ +#define USYNERGY_IS_PACKET(pkt_id) memcmp(message+4, pkt_id, 4)==0 +static void sProcessMessage(uSynergyContext *context, const uint8_t *message) +{ + // We have a packet! + if (memcmp(message+4, "Synergy", 7)==0) + { + // Welcome message + // kMsgHello = "Synergy%2i%2i" + // kMsgHelloBack = "Synergy%2i%2i%s" + sAddString(context, "Synergy"); + sAddUInt16(context, USYNERGY_PROTOCOL_MAJOR); + sAddUInt16(context, USYNERGY_PROTOCOL_MINOR); + sAddUInt32(context, (uint32_t)strlen(context->m_clientName)); + sAddString(context, context->m_clientName); + if (!sSendReply(context)) + { + // Send reply failed, let's try to reconnect + sTrace(context, "SendReply failed, trying to reconnect in a second"); + context->m_connected = USYNERGY_FALSE; + context->m_sleepFunc(context->m_cookie, 1000); + } + else + { + // Let's assume we're connected + char buffer[256+1]; + sprintf(buffer, "Connected as client \"%s\"", context->m_clientName); + sTrace(context, buffer); + context->m_hasReceivedHello = USYNERGY_TRUE; + } + return; + } + else if (USYNERGY_IS_PACKET("QINF")) + { + // Screen info. Reply with DINF + // kMsgQInfo = "QINF" + // kMsgDInfo = "DINF%2i%2i%2i%2i%2i%2i%2i" + uint16_t x = 0, y = 0, warp = 0; + sAddString(context, "DINF"); + sAddUInt16(context, x); + sAddUInt16(context, y); + sAddUInt16(context, context->m_clientWidth); + sAddUInt16(context, context->m_clientHeight); + sAddUInt16(context, warp); + sAddUInt16(context, 0); // mx? + sAddUInt16(context, 0); // my? + sSendReply(context); + return; + } + else if (USYNERGY_IS_PACKET("CIAK")) + { + // Do nothing? + // kMsgCInfoAck = "CIAK" + return; + } + else if (USYNERGY_IS_PACKET("CROP")) + { + // Do nothing? + // kMsgCResetOptions = "CROP" + return; + } + else if (USYNERGY_IS_PACKET("CINN")) + { + // Screen enter. Reply with CNOP + // kMsgCEnter = "CINN%2i%2i%4i%2i" + + // Obtain the Synergy sequence number + context->m_sequenceNumber = sNetToNative32(message + 12); + context->m_isCaptured = USYNERGY_TRUE; + + // Call callback + if (context->m_screenActiveCallback != 0L) + context->m_screenActiveCallback(context->m_cookie, USYNERGY_TRUE); + } + else if (USYNERGY_IS_PACKET("COUT")) + { + // Screen leave + // kMsgCLeave = "COUT" + context->m_isCaptured = USYNERGY_FALSE; + + // Call callback + if (context->m_screenActiveCallback != 0L) + context->m_screenActiveCallback(context->m_cookie, USYNERGY_FALSE); + } + else if (USYNERGY_IS_PACKET("DMDN")) + { + // Mouse down + // kMsgDMouseDown = "DMDN%1i" + char btn = message[8]-1; + if (btn==2) + context->m_mouseButtonRight = USYNERGY_TRUE; + else if (btn==1) + context->m_mouseButtonMiddle = USYNERGY_TRUE; + else + context->m_mouseButtonLeft = USYNERGY_TRUE; + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DMUP")) + { + // Mouse up + // kMsgDMouseUp = "DMUP%1i" + char btn = message[8]-1; + if (btn==2) + context->m_mouseButtonRight = USYNERGY_FALSE; + else if (btn==1) + context->m_mouseButtonMiddle = USYNERGY_FALSE; + else + context->m_mouseButtonLeft = USYNERGY_FALSE; + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DMMV")) + { + // Mouse move. Reply with CNOP + // kMsgDMouseMove = "DMMV%2i%2i" + context->m_mouseX = sNetToNative16(message+8); + context->m_mouseY = sNetToNative16(message+10); + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DMWM")) + { + // Mouse wheel + // kMsgDMouseWheel = "DMWM%2i%2i" + // kMsgDMouseWheel1_0 = "DMWM%2i" + context->m_mouseWheelX += sNetToNative16(message+8); + context->m_mouseWheelY += sNetToNative16(message+10); + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DKDN")) + { + // Key down + // kMsgDKeyDown = "DKDN%2i%2i%2i" + // kMsgDKeyDown1_0 = "DKDN%2i%2i" + //uint16_t id = sNetToNative16(message+8); + uint16_t mod = sNetToNative16(message+10); + uint16_t key = sNetToNative16(message+12); + sSendKeyboardCallback(context, key, mod, USYNERGY_TRUE, USYNERGY_FALSE); + } + else if (USYNERGY_IS_PACKET("DKRP")) + { + // Key repeat + // kMsgDKeyRepeat = "DKRP%2i%2i%2i%2i" + // kMsgDKeyRepeat1_0 = "DKRP%2i%2i%2i" + uint16_t mod = sNetToNative16(message+10); +// uint16_t count = sNetToNative16(message+12); + uint16_t key = sNetToNative16(message+14); + sSendKeyboardCallback(context, key, mod, USYNERGY_TRUE, USYNERGY_TRUE); + } + else if (USYNERGY_IS_PACKET("DKUP")) + { + // Key up + // kMsgDKeyUp = "DKUP%2i%2i%2i" + // kMsgDKeyUp1_0 = "DKUP%2i%2i" + //uint16 id=Endian::sNetToNative(sbuf[4]); + uint16_t mod = sNetToNative16(message+10); + uint16_t key = sNetToNative16(message+12); + sSendKeyboardCallback(context, key, mod, USYNERGY_FALSE, USYNERGY_FALSE); + } + else if (USYNERGY_IS_PACKET("DGBT")) + { + // Joystick buttons + // kMsgDGameButtons = "DGBT%1i%2i"; + uint8_t joy_num = message[8]; + if (joy_num<USYNERGY_NUM_JOYSTICKS) + { + // Copy button state, then send callback + context->m_joystickButtons[joy_num] = (message[9] << 8) | message[10]; + sSendJoystickCallback(context, joy_num); + } + } + else if (USYNERGY_IS_PACKET("DGST")) + { + // Joystick sticks + // kMsgDGameSticks = "DGST%1i%1i%1i%1i%1i"; + uint8_t joy_num = message[8]; + if (joy_num<USYNERGY_NUM_JOYSTICKS) + { + // Copy stick state, then send callback + memcpy(context->m_joystickSticks[joy_num], message+9, 4); + sSendJoystickCallback(context, joy_num); + } + } + else if (USYNERGY_IS_PACKET("DSOP")) + { + // Set options + // kMsgDSetOptions = "DSOP%4I" + } + else if (USYNERGY_IS_PACKET("CALV")) + { + // Keepalive, reply with CALV and then CNOP + // kMsgCKeepAlive = "CALV" + sAddString(context, "CALV"); + sSendReply(context); + // now reply with CNOP + } + else if (USYNERGY_IS_PACKET("DCLP")) + { + // Clipboard message + // kMsgDClipboard = "DCLP%1i%4i%s" + // + // The clipboard message contains: + // 1 uint32: The size of the message + // 4 chars: The identifier ("DCLP") + // 1 uint8: The clipboard index + // 1 uint32: The sequence number. It's zero, because this message is always coming from the server? + // 1 uint32: The total size of the remaining 'string' (as per the Synergy %s string format (which is 1 uint32 for size followed by a char buffer (not necessarily null terminated)). + // 1 uint32: The number of formats present in the message + // And then 'number of formats' times the following: + // 1 uint32: The format of the clipboard data + // 1 uint32: The size n of the clipboard data + // n uint8: The clipboard data + const uint8_t * parse_msg = message+17; + uint32_t num_formats = sNetToNative32(parse_msg); + parse_msg += 4; + for (; num_formats; num_formats--) + { + // Parse clipboard format header + uint32_t format = sNetToNative32(parse_msg); + uint32_t size = sNetToNative32(parse_msg+4); + parse_msg += 8; + + // Call callback + if (context->m_clipboardCallback) + context->m_clipboardCallback(context->m_cookie, format, parse_msg, size); + + parse_msg += size; + } + } + else + { + // Unknown packet, could be any of these + // kMsgCNoop = "CNOP" + // kMsgCClose = "CBYE" + // kMsgCClipboard = "CCLP%1i%4i" + // kMsgCScreenSaver = "CSEC%1i" + // kMsgDKeyRepeat = "DKRP%2i%2i%2i%2i" + // kMsgDKeyRepeat1_0 = "DKRP%2i%2i%2i" + // kMsgDMouseRelMove = "DMRM%2i%2i" + // kMsgEIncompatible = "EICV%2i%2i" + // kMsgEBusy = "EBSY" + // kMsgEUnknown = "EUNK" + // kMsgEBad = "EBAD" + char buffer[64]; + sprintf(buffer, "Unknown packet '%c%c%c%c'", message[4], message[5], message[6], message[7]); + sTrace(context, buffer); + return; + } + + // Reply with CNOP maybe? + sAddString(context, "CNOP"); + sSendReply(context); +} +#undef USYNERGY_IS_PACKET + + + +/** +@brief Mark context as being disconnected +**/ +static void sSetDisconnected(uSynergyContext *context) +{ + context->m_connected = USYNERGY_FALSE; + context->m_hasReceivedHello = USYNERGY_FALSE; + context->m_isCaptured = USYNERGY_FALSE; + context->m_replyCur = context->m_replyBuffer + 4; + context->m_sequenceNumber = 0; +} + + + +/** +@brief Update a connected context +**/ +static void sUpdateContext(uSynergyContext *context) +{ + /* Receive data (blocking) */ + int receive_size = USYNERGY_RECEIVE_BUFFER_SIZE - context->m_receiveOfs; + int num_received = 0; + int packlen = 0; + if (context->m_receiveFunc(context->m_cookie, context->m_receiveBuffer + context->m_receiveOfs, receive_size, &num_received) == USYNERGY_FALSE) + { + /* Receive failed, let's try to reconnect */ + char buffer[128]; + sprintf(buffer, "Receive failed (%d bytes asked, %d bytes received), trying to reconnect in a second", receive_size, num_received); + sTrace(context, buffer); + sSetDisconnected(context); + context->m_sleepFunc(context->m_cookie, 1000); + return; + } + context->m_receiveOfs += num_received; + + /* If we didn't receive any data then we're probably still polling to get connected and + therefore not getting any data back. To avoid overloading the system with a Synergy + thread that would hammer on polling, we let it rest for a bit if there's no data. */ + if (num_received == 0) + context->m_sleepFunc(context->m_cookie, 500); + + /* Check for timeouts */ + if (context->m_hasReceivedHello) + { + uint32_t cur_time = context->m_getTimeFunc(); + if (num_received == 0) + { + /* Timeout after 2 secs of inactivity (we received no CALV) */ + if ((cur_time - context->m_lastMessageTime) > USYNERGY_IDLE_TIMEOUT) + sSetDisconnected(context); + } + else + context->m_lastMessageTime = cur_time; + } + + /* Eat packets */ + for (;;) + { + /* Grab packet length and bail out if the packet goes beyond the end of the buffer */ + packlen = sNetToNative32(context->m_receiveBuffer); + if (packlen+4 > context->m_receiveOfs) + break; + + /* Process message */ + sProcessMessage(context, context->m_receiveBuffer); + + /* Move packet to front of buffer */ + memmove(context->m_receiveBuffer, context->m_receiveBuffer+packlen+4, context->m_receiveOfs-packlen-4); + context->m_receiveOfs -= packlen+4; + } + + /* Throw away over-sized packets */ + if (packlen > USYNERGY_RECEIVE_BUFFER_SIZE) + { + /* Oversized packet, ditch tail end */ + char buffer[128]; + sprintf(buffer, "Oversized packet: '%c%c%c%c' (length %d)", context->m_receiveBuffer[4], context->m_receiveBuffer[5], context->m_receiveBuffer[6], context->m_receiveBuffer[7], packlen); + sTrace(context, buffer); + num_received = context->m_receiveOfs-4; // 4 bytes for the size field + while (num_received != packlen) + { + int buffer_left = packlen - num_received; + int to_receive = buffer_left < USYNERGY_RECEIVE_BUFFER_SIZE ? buffer_left : USYNERGY_RECEIVE_BUFFER_SIZE; + int ditch_received = 0; + if (context->m_receiveFunc(context->m_cookie, context->m_receiveBuffer, to_receive, &ditch_received) == USYNERGY_FALSE) + { + /* Receive failed, let's try to reconnect */ + sTrace(context, "Receive failed, trying to reconnect in a second"); + sSetDisconnected(context); + context->m_sleepFunc(context->m_cookie, 1000); + break; + } + else + { + num_received += ditch_received; + } + } + context->m_receiveOfs = 0; + } +} + + +//--------------------------------------------------------------------------------------------------------------------- +// Public interface +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Initialize uSynergy context +**/ +void uSynergyInit(uSynergyContext *context) +{ + /* Zero memory */ + memset(context, 0, sizeof(uSynergyContext)); + + /* Initialize to default state */ + sSetDisconnected(context); +} + + +/** +@brief Update uSynergy +**/ +void uSynergyUpdate(uSynergyContext *context) +{ + if (context->m_connected) + { + /* Update context, receive data, call callbacks */ + sUpdateContext(context); + } + else + { + /* Try to connect */ + if (context->m_connectFunc(context->m_cookie)) + context->m_connected = USYNERGY_TRUE; + } +} + + + +/** +@brief Send clipboard data +**/ +void uSynergySendClipboard(uSynergyContext *context, const char *text) +{ + // Calculate maximum size that will fit in a reply packet + uint32_t overhead_size = 4 + /* Message size */ + 4 + /* Message ID */ + 1 + /* Clipboard index */ + 4 + /* Sequence number */ + 4 + /* Rest of message size (because it's a Synergy string from here on) */ + 4 + /* Number of clipboard formats */ + 4 + /* Clipboard format */ + 4; /* Clipboard data length */ + uint32_t max_length = USYNERGY_REPLY_BUFFER_SIZE - overhead_size; + + // Clip text to max length + uint32_t text_length = (uint32_t)strlen(text); + if (text_length > max_length) + { + char buffer[128]; + sprintf(buffer, "Clipboard buffer too small, clipboard truncated at %d characters", max_length); + sTrace(context, buffer); + text_length = max_length; + } + + // Assemble packet + sAddString(context, "DCLP"); + sAddUInt8(context, 0); /* Clipboard index */ + sAddUInt32(context, context->m_sequenceNumber); + sAddUInt32(context, 4+4+4+text_length); /* Rest of message size: numFormats, format, length, data */ + sAddUInt32(context, 1); /* Number of formats (only text for now) */ + sAddUInt32(context, USYNERGY_CLIPBOARD_FORMAT_TEXT); + sAddUInt32(context, text_length); + sAddString(context, text); + sSendReply(context); +} diff --git a/src/imgui/examples/libs/usynergy/uSynergy.h b/src/imgui/examples/libs/usynergy/uSynergy.h new file mode 100644 index 0000000..cedc387 --- /dev/null +++ b/src/imgui/examples/libs/usynergy/uSynergy.h @@ -0,0 +1,420 @@ +/* +uSynergy client -- Interface for the embedded Synergy client library + version 1.0.0, July 7th, 2012 + +Copyright (C) 2012 Synergy Si Ltd. +Copyright (c) 2012 Alex Evans + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + + + +//--------------------------------------------------------------------------------------------------------------------- +// Configuration +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Determine endianness +**/ +#if defined(USYNERGY_LITTLE_ENDIAN) && defined(USYNERGY_BIG_ENDIAN) + /* Ambiguous: both endians specified */ + #error "Can't define both USYNERGY_LITTLE_ENDIAN and USYNERGY_BIG_ENDIAN" +#elif !defined(USYNERGY_LITTLE_ENDIAN) && !defined(USYNERGY_BIG_ENDIAN) + /* Attempt to auto detect */ + #if defined(__LITTLE_ENDIAN__) || defined(LITTLE_ENDIAN) || (_BYTE_ORDER == _LITTLE_ENDIAN) + #define USYNERGY_LITTLE_ENDIAN + #elif defined(__BIG_ENDIAN__) || defined(BIG_ENDIAN) || (_BYTE_ORDER == _BIG_ENDIAN) + #define USYNERGY_BIG_ENDIAN + #else + #error "Can't detect endian-nes, please defined either USYNERGY_LITTLE_ENDIAN or USYNERGY_BIG_ENDIAN"; + #endif +#else + /* User-specified endian-nes, nothing to do for us */ +#endif + + + +//--------------------------------------------------------------------------------------------------------------------- +// Types and Constants +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Boolean type +**/ +typedef int uSynergyBool; +#define USYNERGY_FALSE 0 /* False value */ +#define USYNERGY_TRUE 1 /* True value */ + + +/** +@brief User context type + +The uSynergyCookie type is an opaque type that is used by uSynergy to communicate to the client. It is passed along to +callback functions as context. +**/ +typedef struct { int ignored; } * uSynergyCookie; + + + +/** +@brief Clipboard types +**/ +enum uSynergyClipboardFormat +{ + USYNERGY_CLIPBOARD_FORMAT_TEXT = 0, /* Text format, UTF-8, newline is LF */ + USYNERGY_CLIPBOARD_FORMAT_BITMAP = 1, /* Bitmap format, BMP 24/32bpp, BI_RGB */ + USYNERGY_CLIPBOARD_FORMAT_HTML = 2, /* HTML format, HTML fragment, UTF-8, newline is LF */ +}; + + + +/** +@brief Constants and limits +**/ +#define USYNERGY_NUM_JOYSTICKS 4 /* Maximum number of supported joysticks */ + +#define USYNERGY_PROTOCOL_MAJOR 1 /* Major protocol version */ +#define USYNERGY_PROTOCOL_MINOR 4 /* Minor protocol version */ + +#define USYNERGY_IDLE_TIMEOUT 2000 /* Timeout in milliseconds before reconnecting */ + +#define USYNERGY_TRACE_BUFFER_SIZE 1024 /* Maximum length of traced message */ +#define USYNERGY_REPLY_BUFFER_SIZE 1024 /* Maximum size of a reply packet */ +#define USYNERGY_RECEIVE_BUFFER_SIZE 4096 /* Maximum size of an incoming packet */ + + + +/** +@brief Keyboard constants +**/ +#define USYNERGY_MODIFIER_SHIFT 0x0001 /* Shift key modifier */ +#define USYNERGY_MODIFIER_CTRL 0x0002 /* Ctrl key modifier */ +#define USYNERGY_MODIFIER_ALT 0x0004 /* Alt key modifier */ +#define USYNERGY_MODIFIER_META 0x0008 /* Meta key modifier */ +#define USYNERGY_MODIFIER_WIN 0x0010 /* Windows key modifier */ +#define USYNERGY_MODIFIER_ALT_GR 0x0020 /* AltGr key modifier */ +#define USYNERGY_MODIFIER_LEVEL5LOCK 0x0040 /* Level5Lock key modifier */ +#define USYNERGY_MODIFIER_CAPSLOCK 0x1000 /* CapsLock key modifier */ +#define USYNERGY_MODIFIER_NUMLOCK 0x2000 /* NumLock key modifier */ +#define USYNERGY_MODIFIER_SCROLLOCK 0x4000 /* ScrollLock key modifier */ + + + + +//--------------------------------------------------------------------------------------------------------------------- +// Functions and Callbacks +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Connect function + +This function is called when uSynergy needs to connect to the host. It doesn't imply a network implementation or +destination address, that must all be handled on the user side. The function should return USYNERGY_TRUE if a +connection was established or USYNERGY_FALSE if it could not connect. + +When network errors occur (e.g. uSynergySend or uSynergyReceive fail) then the connect call will be called again +so the implementation of the function must close any old connections and clean up resources before retrying. + +@param cookie Cookie supplied in the Synergy context +**/ +typedef uSynergyBool (*uSynergyConnectFunc)(uSynergyCookie cookie); + + + +/** +@brief Send function + +This function is called when uSynergy needs to send something over the default connection. It should return +USYNERGY_TRUE if sending succeeded and USYNERGY_FALSE otherwise. This function should block until the send +operation is completed. + +@param cookie Cookie supplied in the Synergy context +@param buffer Address of buffer to send +@param length Length of buffer to send +**/ +typedef uSynergyBool (*uSynergySendFunc)(uSynergyCookie cookie, const uint8_t *buffer, int length); + + + +/** +@brief Receive function + +This function is called when uSynergy needs to receive data from the default connection. It should return +USYNERGY_TRUE if receiving data succeeded and USYNERGY_FALSE otherwise. This function should block until data +has been received and wait for data to become available. If @a outLength is set to 0 upon completion it is +assumed that the connection is alive, but still in a connecting state and needs time to settle. + +@param cookie Cookie supplied in the Synergy context +@param buffer Address of buffer to receive data into +@param maxLength Maximum amount of bytes to write into the receive buffer +@param outLength Address of integer that receives the actual amount of bytes written into @a buffer +**/ +typedef uSynergyBool (*uSynergyReceiveFunc)(uSynergyCookie cookie, uint8_t *buffer, int maxLength, int* outLength); + + + +/** +@brief Thread sleep function + +This function is called when uSynergy wants to suspend operation for a while before retrying an operation. It +is mostly used when a socket times out or disconnect occurs to prevent uSynergy from continuously hammering a +network connection in case the network is down. + +@param cookie Cookie supplied in the Synergy context +@param timeMs Time to sleep the current thread (in milliseconds) +**/ +typedef void (*uSynergySleepFunc)(uSynergyCookie cookie, int timeMs); + + + +/** +@brief Get time function + +This function is called when uSynergy needs to know the current time. This is used to determine when timeouts +have occured. The time base should be a cyclic millisecond time value. + +@returns Time value in milliseconds +**/ +typedef uint32_t (*uSynergyGetTimeFunc)(); + + + +/** +@brief Trace function + +This function is called when uSynergy wants to trace something. It is optional to show these messages, but they +are often useful when debugging. uSynergy only traces major events like connecting and disconnecting. Usually +only a single trace is shown when the connection is established and no more trace are called. + +@param cookie Cookie supplied in the Synergy context +@param text Text to be traced +**/ +typedef void (*uSynergyTraceFunc)(uSynergyCookie cookie, const char *text); + + + +/** +@brief Screen active callback + +This callback is called when Synergy makes the screen active or inactive. This +callback is usually sent when the mouse enters or leaves the screen. + +@param cookie Cookie supplied in the Synergy context +@param active Activation flag, 1 if the screen has become active, 0 if the screen has become inactive +**/ +typedef void (*uSynergyScreenActiveCallback)(uSynergyCookie cookie, uSynergyBool active); + + + +/** +@brief Mouse callback + +This callback is called when a mouse events happens. The mouse X and Y position, +wheel and button state is communicated in the message. It's up to the user to +interpret if this is a mouse up, down, double-click or other message. + +@param cookie Cookie supplied in the Synergy context +@param x Mouse X position +@param y Mouse Y position +@param wheelX Mouse wheel X position +@param wheelY Mouse wheel Y position +@param buttonLeft Left button pressed status, 0 for released, 1 for pressed +@param buttonMiddle Middle button pressed status, 0 for released, 1 for pressed +@param buttonRight Right button pressed status, 0 for released, 1 for pressed +**/ +typedef void (*uSynergyMouseCallback)(uSynergyCookie cookie, uint16_t x, uint16_t y, int16_t wheelX, int16_t wheelY, uSynergyBool buttonLeft, uSynergyBool buttonRight, uSynergyBool buttonMiddle); + + + +/** +@brief Key event callback + +This callback is called when a key is pressed or released. + +@param cookie Cookie supplied in the Synergy context +@param key Key code of key that was pressed or released +@param modifiers Status of modifier keys (alt, shift, etc.) +@param down Down or up status, 1 is key is pressed down, 0 if key is released (up) +@param repeat Repeat flag, 1 if the key is down because the key is repeating, 0 if the key is initially pressed by the user +**/ +typedef void (*uSynergyKeyboardCallback)(uSynergyCookie cookie, uint16_t key, uint16_t modifiers, uSynergyBool down, uSynergyBool repeat); + + + +/** +@brief Joystick event callback + +This callback is called when a joystick stick or button changes. It is possible that multiple callbacks are +fired when different sticks or buttons change as these are individual messages in the packet stream. Each +callback will contain all the valid state for the different axes and buttons. The last callback received will +represent the most current joystick state. + +@param cookie Cookie supplied in the Synergy context +@param joyNum Joystick number, always in the range [0 ... USYNERGY_NUM_JOYSTICKS> +@param buttons Button pressed mask +@param leftStickX Left stick X position, in range [-127 ... 127] +@param leftStickY Left stick Y position, in range [-127 ... 127] +@param rightStickX Right stick X position, in range [-127 ... 127] +@param rightStickY Right stick Y position, in range [-127 ... 127] +**/ +typedef void (*uSynergyJoystickCallback)(uSynergyCookie cookie, uint8_t joyNum, uint16_t buttons, int8_t leftStickX, int8_t leftStickY, int8_t rightStickX, int8_t rightStickY); + + + +/** +@brief Clipboard event callback + +This callback is called when something is placed on the clipboard. Multiple callbacks may be fired for +multiple clipboard formats if they are supported. The data provided is read-only and may not be modified +by the application. + +@param cookie Cookie supplied in the Synergy context +@param format Clipboard format +@param data Memory area containing the clipboard raw data +@param size Size of clipboard data +**/ +typedef void (*uSynergyClipboardCallback)(uSynergyCookie cookie, enum uSynergyClipboardFormat format, const uint8_t *data, uint32_t size); + + + +//--------------------------------------------------------------------------------------------------------------------- +// Context +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief uSynergy context +**/ +typedef struct +{ + /* Mandatory configuration data, filled in by client */ + uSynergyConnectFunc m_connectFunc; /* Connect function */ + uSynergySendFunc m_sendFunc; /* Send data function */ + uSynergyReceiveFunc m_receiveFunc; /* Receive data function */ + uSynergySleepFunc m_sleepFunc; /* Thread sleep function */ + uSynergyGetTimeFunc m_getTimeFunc; /* Get current time function */ + const char* m_clientName; /* Name of Synergy Screen / Client */ + uint16_t m_clientWidth; /* Width of screen */ + uint16_t m_clientHeight; /* Height of screen */ + + /* Optional configuration data, filled in by client */ + uSynergyCookie m_cookie; /* Cookie pointer passed to callback functions (can be NULL) */ + uSynergyTraceFunc m_traceFunc; /* Function for tracing status (can be NULL) */ + uSynergyScreenActiveCallback m_screenActiveCallback; /* Callback for entering and leaving screen */ + uSynergyMouseCallback m_mouseCallback; /* Callback for mouse events */ + uSynergyKeyboardCallback m_keyboardCallback; /* Callback for keyboard events */ + uSynergyJoystickCallback m_joystickCallback; /* Callback for joystick events */ + uSynergyClipboardCallback m_clipboardCallback; /* Callback for clipboard events */ + + /* State data, used internall by client, initialized by uSynergyInit() */ + uSynergyBool m_connected; /* Is our socket connected? */ + uSynergyBool m_hasReceivedHello; /* Have we received a 'Hello' from the server? */ + uSynergyBool m_isCaptured; /* Is Synergy active (i.e. this client is receiving input messages?) */ + uint32_t m_lastMessageTime; /* Time at which last message was received */ + uint32_t m_sequenceNumber; /* Packet sequence number */ + uint8_t m_receiveBuffer[USYNERGY_RECEIVE_BUFFER_SIZE]; /* Receive buffer */ + int m_receiveOfs; /* Receive buffer offset */ + uint8_t m_replyBuffer[USYNERGY_REPLY_BUFFER_SIZE]; /* Reply buffer */ + uint8_t* m_replyCur; /* Write offset into reply buffer */ + uint16_t m_mouseX; /* Mouse X position */ + uint16_t m_mouseY; /* Mouse Y position */ + int16_t m_mouseWheelX; /* Mouse wheel X position */ + int16_t m_mouseWheelY; /* Mouse wheel Y position */ + uSynergyBool m_mouseButtonLeft; /* Mouse left button */ + uSynergyBool m_mouseButtonRight; /* Mouse right button */ + uSynergyBool m_mouseButtonMiddle; /* Mouse middle button */ + int8_t m_joystickSticks[USYNERGY_NUM_JOYSTICKS][4]; /* Joystick stick position in 2 axes for 2 sticks */ + uint16_t m_joystickButtons[USYNERGY_NUM_JOYSTICKS]; /* Joystick button state */ +} uSynergyContext; + + + +//--------------------------------------------------------------------------------------------------------------------- +// Interface +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Initialize uSynergy context + +This function initializes @a context for use. Call this function directly after +creating the context, before filling in any configuration data in it. Not calling +this function will cause undefined behavior. + +@param context Context to be initialized +**/ +extern void uSynergyInit(uSynergyContext *context); + + + +/** +@brief Update uSynergy + +This function updates uSynergy and does the bulk of the work. It does connection management, +receiving data, reconnecting after errors or timeouts and so on. It assumes that networking +operations are blocking and it can suspend the current thread if it needs to wait. It is +best practice to call uSynergyUpdate from a background thread so it is responsive. + +Because uSynergy relies mostly on blocking calls it will mostly stay in thread sleep state +waiting for system mutexes and won't eat much memory. + +uSynergyUpdate doesn't do any memory allocations or have any side effects beyond those of +the callbacks it calls. + +@param context Context to be updated +**/ +extern void uSynergyUpdate(uSynergyContext *context); + + + +/** +@brief Send clipboard data + +This function sets new clipboard data and sends it to the server. Use this function if +your client cuts or copies data onto the clipboard that it needs to share with the +server. + +Currently there is only support for plaintext, but HTML and image data could be +supported with some effort. + +@param context Context to send clipboard data to +@param text Text to set to the clipboard +**/ +extern void uSynergySendClipboard(uSynergyContext *context, const char *text); + + + +#ifdef __cplusplus +}; +#endif |