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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=$(wildcard demo/*.c demo/*.cpp) tools/meshloader.cpp
DEMO_OBJECTS=$(DEMO_SOURCES:%=$(BUILD)/%.o)
GLTFPACK_SOURCES=$(wildcard gltf/*.cpp) tools/meshloader.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 -Werror -std=c89
CXXFLAGS=-g -Wall -Wextra -Wshadow -Wno-missing-field-initializers -Werror -std=c++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)
$(BUILD)/gltf/basislib.cpp.o: CXXFLAGS+=-msse4.1
endif
endif
WASMCC?=$(WASI_SDK)/bin/clang++
WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
WASM_FLAGS=--target=wasm32-wasi --sysroot=$(WASIROOT)
WASM_FLAGS+=-O3 -DNDEBUG -nostartfiles -nostdlib -Wl,--no-entry -Wl,-s
WASM_FLAGS+=-fno-slp-vectorize -fno-vectorize -fno-unroll-loops
WASM_FLAGS+=-Wl,-z -Wl,stack-size=24576 -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 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 sbrk __wasm_call_ctors
WASM_SIMPLIFIER_SOURCES=src/simplifier.cpp src/vfetchoptimizer.cpp tools/wasmstubs.cpp
WASM_SIMPLIFIER_EXPORTS=meshopt_simplify meshopt_simplifyScale meshopt_optimizeVertexFetchRemap sbrk __wasm_call_ctors
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 -fno-sanitize-recover=all
LDFLAGS+=-fsanitize=address,undefined
endif
ifeq ($(config),analyze)
CXXFLAGS+=--analyze
endif
all: $(DEMO)
test: $(DEMO)
$(DEMO) $(files)
check: $(DEMO)
$(DEMO)
dev: $(DEMO)
$(DEMO) -d $(files)
format:
clang-format -i $(LIBRARY_SOURCES) $(DEMO_SOURCES) $(GLTFPACK_SOURCES)
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
gltfpack: $(BUILD)/gltfpack
ln -fs $^ $@
$(BUILD)/gltfpack: $(GLTFPACK_OBJECTS) $(LIBRARY)
$(CXX) $^ $(LDFLAGS) -o $@
gltfpack.wasm: gltf/library.wasm
gltf/library.wasm: ${LIBRARY_SOURCES} ${GLTFPACK_SOURCES} tools/meshloader.cpp
$(WASMCC) $^ -o $@ -Os -DNDEBUG --target=wasm32-wasi --sysroot=$(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 $@
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#\(var wasm_base = \)\".*\";#\\1\"$$(cat build/decoder_base.wasm | python3 tools/wasmpack.py)\";#" $@
sed -i "s#\(var wasm_simd = \)\".*\";#\\1\"$$(cat build/decoder_simd.wasm | python3 tools/wasmpack.py)\";#" $@
js/meshopt_encoder.js: build/encoder.wasm tools/wasmpack.py
sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
sed -i "s#\(var wasm = \)\".*\";#\\1\"$$(cat build/encoder.wasm | python3 tools/wasmpack.py)\";#" $@
js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
sed -i "s#\(var wasm = \)\".*\";#\\1\"$$(cat build/simplifier.wasm | python3 tools/wasmpack.py)\";#" $@
js/%.module.js: js/%.js
sed '/UMD-style export/,$$d' <$< >$@
sed -n "s#\s*module.exports = \(.*\);#export { \\1 };#p" <$< >>$@
$(DEMO): $(DEMO_OBJECTS) $(LIBRARY)
$(CXX) $^ $(LDFLAGS) -o $@
vcachetuner: tools/vcachetuner.cpp $(BUILD)/tools/meshloader.cpp.o $(BUILD)/demo/miniz.cpp.o $(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 $@
codecfuzz: tools/codecfuzz.cpp src/vertexcodec.cpp src/indexcodec.cpp
$(CXX) $^ -fsanitize=fuzzer,address,undefined -O1 -g -o $@
$(LIBRARY): $(LIBRARY_OBJECTS)
ar rcs $@ $^
$(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