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Diffstat (limited to 'src/imgui/examples/example_emscripten_wgpu/Makefile')
-rw-r--r-- | src/imgui/examples/example_emscripten_wgpu/Makefile | 88 |
1 files changed, 88 insertions, 0 deletions
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 |