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Makefile
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MAKEFLAGS+=-r -j
config=debug
files=demo/pirate.obj
BUILD=build/$(config)
LIBRARY_SOURCES=$(wildcard src/*.cpp)
LIBRARY_OBJECTS=$(LIBRARY_SOURCES:%=$(BUILD)/%.o)
DEMO_SOURCES=$(wildcard demo/*.c demo/*.cpp) tools/objloader.cpp
DEMO_OBJECTS=$(DEMO_SOURCES:%=$(BUILD)/%.o)
GLTFPACK_SOURCES=$(wildcard gltf/*.cpp)
GLTFPACK_OBJECTS=$(GLTFPACK_SOURCES:%=$(BUILD)/%.o)
OBJECTS=$(LIBRARY_OBJECTS) $(DEMO_OBJECTS) $(GLTFPACK_OBJECTS)
LIBRARY=$(BUILD)/libmeshoptimizer.a
DEMO=$(BUILD)/meshoptimizer
CFLAGS=-g -Wall -Wextra -std=c89
CXXFLAGS=-g -Wall -Wextra -Wshadow -Wno-missing-field-initializers -std=gnu++98
LDFLAGS=
$(GLTFPACK_OBJECTS): CXXFLAGS+=-std=c++11
ifdef BASISU
$(GLTFPACK_OBJECTS): CXXFLAGS+=-DWITH_BASISU
$(BUILD)/gltf/basis%.cpp.o: CXXFLAGS+=-I$(BASISU)
gltfpack: LDFLAGS+=-lpthread
ifeq ($(HOSTTYPE),x86_64)
$(BUILD)/gltf/basislib.cpp.o: CXXFLAGS+=-msse4.1
endif
endif
ifdef METIS
$(DEMO_OBJECTS): CXXFLAGS+=-DMETIS
$(DEMO): LDFLAGS+=-lmetis
endif
WASMCC?=$(WASI_SDK)/bin/clang++
WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
WASM_FLAGS=--target=wasm32-wasi --sysroot=$(WASIROOT)
WASM_FLAGS+=-Wall -Wextra
WASM_FLAGS+=-O3 -DNDEBUG -nostartfiles -nostdlib -Wl,--no-entry -Wl,-s
WASM_FLAGS+=-mcpu=mvp # make sure clang doesn't use post-MVP features like sign extension
WASM_FLAGS+=-fno-slp-vectorize -fno-vectorize -fno-unroll-loops
WASM_FLAGS+=-Wl,-z -Wl,stack-size=36864 -Wl,--initial-memory=65536
WASM_EXPORT_PREFIX=-Wl,--export
WASM_DECODER_SOURCES=src/vertexcodec.cpp src/indexcodec.cpp src/vertexfilter.cpp tools/wasmstubs.cpp
WASM_DECODER_EXPORTS=meshopt_decodeVertexBuffer meshopt_decodeIndexBuffer meshopt_decodeIndexSequence meshopt_decodeFilterOct meshopt_decodeFilterQuat meshopt_decodeFilterExp sbrk __wasm_call_ctors
WASM_ENCODER_SOURCES=src/vertexcodec.cpp src/indexcodec.cpp src/vertexfilter.cpp src/vcacheoptimizer.cpp src/vfetchoptimizer.cpp src/spatialorder.cpp tools/wasmstubs.cpp
WASM_ENCODER_EXPORTS=meshopt_encodeVertexBuffer meshopt_encodeVertexBufferBound meshopt_encodeIndexBuffer meshopt_encodeIndexBufferBound meshopt_encodeIndexSequence meshopt_encodeIndexSequenceBound meshopt_encodeVertexVersion meshopt_encodeIndexVersion meshopt_encodeFilterOct meshopt_encodeFilterQuat meshopt_encodeFilterExp meshopt_optimizeVertexCache meshopt_optimizeVertexCacheStrip meshopt_optimizeVertexFetchRemap meshopt_spatialSortRemap sbrk __wasm_call_ctors
WASM_SIMPLIFIER_SOURCES=src/simplifier.cpp src/vfetchoptimizer.cpp tools/wasmstubs.cpp
WASM_SIMPLIFIER_EXPORTS=meshopt_simplify meshopt_simplifyWithAttributes meshopt_simplifyScale meshopt_simplifyPoints meshopt_optimizeVertexFetchRemap sbrk __wasm_call_ctors
WASM_CLUSTERIZER_SOURCES=src/clusterizer.cpp tools/wasmstubs.cpp
WASM_CLUSTERIZER_EXPORTS=meshopt_buildMeshletsBound meshopt_buildMeshlets meshopt_computeClusterBounds meshopt_computeMeshletBounds meshopt_optimizeMeshlet sbrk __wasm_call_ctors
ifneq ($(werror),)
CFLAGS+=-Werror
CXXFLAGS+=-Werror
endif
ifeq ($(config),iphone)
IPHONESDK=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk
CFLAGS+=-arch armv7 -arch arm64 -isysroot $(IPHONESDK)
CXXFLAGS+=-arch armv7 -arch arm64 -isysroot $(IPHONESDK) -stdlib=libc++
LDFLAGS+=-arch armv7 -arch arm64 -isysroot $(IPHONESDK) -L $(IPHONESDK)/usr/lib -mios-version-min=7.0
endif
ifeq ($(config),trace)
CXXFLAGS+=-DTRACE=1
endif
ifeq ($(config),scalar)
CXXFLAGS+=-O3 -DNDEBUG -DMESHOPTIMIZER_NO_SIMD
endif
ifeq ($(config),release)
CXXFLAGS+=-O3 -DNDEBUG
endif
ifeq ($(config),coverage)
CXXFLAGS+=-coverage
LDFLAGS+=-coverage
endif
ifeq ($(config),sanitize)
CXXFLAGS+=-fsanitize=address,undefined -fsanitize-undefined-trap-on-error
LDFLAGS+=-fsanitize=address,undefined
endif
ifeq ($(config),analyze)
CXXFLAGS+=--analyze
endif
ifeq ($(config),fuzz)
CXXFLAGS+=-O1 -fsanitize=address,fuzzer
LDFLAGS+=-fsanitize=address,fuzzer
$(GLTFPACK_OBJECTS): CXXFLAGS+=-DGLTFFUZZ
endif
all: $(DEMO)
test: $(DEMO)
$(DEMO) $(files)
check: $(DEMO)
$(DEMO)
dev: $(DEMO)
$(DEMO) -d $(files)
nanite: $(DEMO)
$(DEMO) -n $(files)
format:
clang-format -i src/*.h src/*.cpp demo/*.cpp gltf/*.h gltf/*.cpp
formatjs:
prettier -w js/*.js gltf/*.js demo/*.html js/*.ts
js: js/meshopt_decoder.js js/meshopt_decoder.module.js js/meshopt_encoder.js js/meshopt_encoder.module.js js/meshopt_simplifier.js js/meshopt_simplifier.module.js js/meshopt_clusterizer.js js/meshopt_clusterizer.module.js
symbols: $(BUILD)/amalgamated.so
nm $< -U -g
gltfpack: $(BUILD)/gltfpack
ln -fs $^ $@
ifeq ($(config),fuzz)
gltffuzz: $(BUILD)/gltfpack
cp $^ $@
mkdir -p /tmp/gltffuzz
cp gltf/fuzz.glb /tmp/gltffuzz/
./gltffuzz /tmp/gltffuzz -fork=16 -dict=gltf/fuzz.dict -ignore_crashes=1 -max_len=32768
endif
$(BUILD)/gltfpack: $(GLTFPACK_OBJECTS) $(LIBRARY)
$(CXX) $^ $(LDFLAGS) -o $@
gltfpack.wasm: gltf/library.wasm
gltf/library.wasm: $(LIBRARY_SOURCES) $(GLTFPACK_SOURCES)
$(WASMCC) $^ -o $@ -Wall -Os -DNDEBUG --target=wasm32-wasi --sysroot=$(WASIROOT) -nostartfiles -Wl,--no-entry -Wl,--export=pack -Wl,--export=malloc -Wl,--export=free -Wl,--export=__wasm_call_ctors -Wl,-s -Wl,--allow-undefined-file=gltf/wasistubs.txt
build/decoder_base.wasm: $(WASM_DECODER_SOURCES)
@mkdir -p build
$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_DECODER_EXPORTS)) -o $@
build/decoder_simd.wasm: $(WASM_DECODER_SOURCES)
@mkdir -p build
$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_DECODER_EXPORTS)) -o $@ -msimd128 -mbulk-memory
build/encoder.wasm: $(WASM_ENCODER_SOURCES)
@mkdir -p build
$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_ENCODER_EXPORTS)) -lc -o $@
build/simplifier.wasm: $(WASM_SIMPLIFIER_SOURCES)
@mkdir -p build
$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_SIMPLIFIER_EXPORTS)) -lc -o $@
build/clusterizer.wasm: $(WASM_CLUSTERIZER_SOURCES)
@mkdir -p build
$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_CLUSTERIZER_EXPORTS)) -lc -o $@
js/meshopt_decoder.js: build/decoder_base.wasm build/decoder_simd.wasm tools/wasmpack.py
sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
sed -i "s#\([\"']\).*\(;\s*//\s*embed! base\)#\\1$$(cat build/decoder_base.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
sed -i "s#\([\"']\).*\(;\s*//\s*embed! simd\)#\\1$$(cat build/decoder_simd.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
js/meshopt_encoder.js: build/encoder.wasm tools/wasmpack.py
js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
js/meshopt_clusterizer.js: build/clusterizer.wasm tools/wasmpack.py
js/meshopt_encoder.js js/meshopt_simplifier.js js/meshopt_clusterizer.js:
sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat $< | python3 tools/wasmpack.py)\\1\\2#" $@
js/%.module.js: js/%.js
sed '\#// export!#q' <$< >$@
sed -i "/use strict.;/d" $@
sed -i "s#// export! \(.*\)#export { \\1 };#" $@
$(DEMO): $(DEMO_OBJECTS) $(LIBRARY)
$(CXX) $^ $(LDFLAGS) -o $@
vcachetuner: tools/vcachetuner.cpp tools/objloader.cpp $(LIBRARY)
$(CXX) $^ -fopenmp $(CXXFLAGS) -std=c++11 $(LDFLAGS) -o $@
codecbench: tools/codecbench.cpp $(LIBRARY)
$(CXX) $^ $(CXXFLAGS) $(LDFLAGS) -o $@
codecbench.js: tools/codecbench.cpp $(LIBRARY_SOURCES)
emcc $^ -O3 -g -DNDEBUG -s TOTAL_MEMORY=268435456 -s SINGLE_FILE=1 -o $@
codecbench-simd.js: tools/codecbench.cpp $(LIBRARY_SOURCES)
emcc $^ -O3 -g -DNDEBUG -s TOTAL_MEMORY=268435456 -s SINGLE_FILE=1 -msimd128 -o $@
codecbench.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
$(WASMCC) $^ -fno-exceptions --target=wasm32-wasi --sysroot=$(WASIROOT) -lc++ -lc++abi -O3 -g -DNDEBUG -o $@
codecbench-simd.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
$(WASMCC) $^ -fno-exceptions --target=wasm32-wasi --sysroot=$(WASIROOT) -lc++ -lc++abi -O3 -g -DNDEBUG -msimd128 -o $@
codectest: tools/codectest.cpp $(LIBRARY)
$(CXX) $^ $(CXXFLAGS) $(LDFLAGS) -o $@
codecfuzz: tools/codecfuzz.cpp src/vertexcodec.cpp src/indexcodec.cpp
$(CXX) $^ -fsanitize=fuzzer,address,undefined -O1 -g -o $@
simplifyfuzz: tools/simplifyfuzz.cpp src/simplifier.cpp
$(CXX) $^ -fsanitize=fuzzer,address,undefined -O1 -g -o $@
$(LIBRARY): $(LIBRARY_OBJECTS)
ar rcs $@ $^
$(BUILD)/amalgamated.so: $(LIBRARY_SOURCES)
@mkdir -p $(dir $@)
cat $^ | $(CXX) $(CXXFLAGS) -x c++ - -I src/ -o $@ -shared -fPIC
$(BUILD)/%.cpp.o: %.cpp
@mkdir -p $(dir $@)
$(CXX) $< $(CXXFLAGS) -c -MMD -MP -o $@
$(BUILD)/%.c.o: %.c
@mkdir -p $(dir $@)
$(CC) $< $(CFLAGS) -c -MMD -MP -o $@
-include $(OBJECTS:.o=.d)
clean:
rm -rf $(BUILD)
.PHONY: all clean format js