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Vulkan System and Shaders Formulae (#446)
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‎apothecary/formulas/shaderc.sh‎

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#! /bin/bash
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#
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# ShaderC
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# tgfrerer
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# compiling GLSL shader code into SPIR-V
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#
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# compile this with ./apothecary -a 64 update shaderc
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# compile for windows visual studio: ./apothecary -a 64 -t vs update shaderc
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#
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# uses a CMake build system
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FORMULA_TYPES=( "vs" "linux64")
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# define the shaderc version by sha
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# Known good version is from: https://github.com/google/shaderc/blob/known-good/known_good.json
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VER=ff84893dd52d28f0b1737d2635733d952013bd9c
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#v2024.3
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# tools for git use
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GIT_URL=https://github.com/google/shaderc
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GIT_TAG=$VER
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# download the source code and unpack it into LIB_NAME
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function download() {
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curl -Lk $GIT_URL/archive/$GIT_TAG.tar.gz -o shaderc-$GIT_TAG.tar.gz
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tar -xf shaderc-$GIT_TAG.tar.gz
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mv shaderc-$GIT_TAG shaderc
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rm shaderc*.tar.gz
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}
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# prepare the build environment, executed inside the lib src dir
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function prepare() {
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pushd third_party
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# load shaderc dependencies at known good revisions
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# we know working configurations from this file:
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# https://github.com/google/shaderc/blob/known-good/known_good.json
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if [[ ! -d "glslang" ]]; then
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git clone https://github.com/KhronosGroup/glslang.git glslang
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pushd glslang
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git checkout 46ef757e048e760b46601e6e77ae0cb72c97bd2f
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popd
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fi
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if [[ ! -d "spirv-tools" ]]; then
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echo "Cloning SPIRV-Tools repository..."
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git clone https://github.com/KhronosGroup/SPIRV-Tools.git spirv-tools
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pushd spirv-tools
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git checkout 01c8438ee4ac52c248119b7e03e0b021f853b51a
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popd
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fi
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if [[ ! -d "spirv-tools/external/spirv-headers" ]]; then
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git clone https://github.com/KhronosGroup/SPIRV-Headers.git spirv-tools/external/spirv-headers # rev: db5cf6176137003ca4c25df96f7c0649998c3499
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pushd spirv-tools/external/spirv-headers
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git checkout 2a9b6f951c7d6b04b6c21fe1bf3f475b68b84801
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popd
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fi
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popd
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}
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# executed inside the lib src dir
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function build() {
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rm -f CMakeCache.txt
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LIBS_ROOT=$(realpath $LIBS_DIR)
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if [ "$TYPE" == "vs" ] ; then
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echo "building $TYPE | $ARCH | $VS_VER | vs: $VS_VER_GEN"
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echo "--------------------"
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GENERATOR_NAME="Visual Studio ${VS_VER_GEN}"
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mkdir -p "build_${TYPE}_${PLATFORM}"
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cd "build_${TYPE}_${PLATFORM}"
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find ./ -name "*.o" -type f -delete
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rm -f CMakeCache.txt || true
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DEFS="
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-DCMAKE_C_STANDARD=${C_STANDARD} \
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-DCMAKE_CXX_STANDARD=${CPP_STANDARD} \
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-DCMAKE_CXX_STANDARD_REQUIRED=ON \
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-DCMAKE_CXX_EXTENSIONS=OFF \
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-DBUILD_SHARED_LIBS=ON \
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-Dgtest_disable_pthreads=ON -DSHADERC_SKIP_TESTS=ON -DSHADERC_ENABLE_SHARED_CRT=ON"
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cmake .. ${DEFS} \
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-A "${PLATFORM}" \
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${CMAKE_WIN_SDK} \
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-G "${GENERATOR_NAME}" \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX=Release \
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-DCMAKE_INSTALL_LIBDIR="lib" \
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-DCMAKE_CXX_FLAGS="-DUSE_PTHREADS=1 ${VS_C_FLAGS} ${FLAGS_RELEASE}" \
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-DCMAKE_C_FLAGS="-DUSE_PTHREADS=1 ${VS_C_FLAGS} ${FLAGS_RELEASE} " \
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-DCMAKE_CXX_FLAGS_RELEASE="-DUSE_PTHREADS=1 ${VS_C_FLAGS} ${FLAGS_RELEASE} ${EXCEPTION_FLAGS}" \
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-DCMAKE_C_FLAGS_RELEASE="-DUSE_PTHREADS=1 ${VS_C_FLAGS} ${FLAGS_RELEASE} ${EXCEPTION_FLAGS}" \
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-DCMAKE_PREFIX_PATH="${LIBS_ROOT}"
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cmake --build . --config Release
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else
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if [ $CROSSCOMPILING -eq 1 ]; then
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source ../../${TYPE}_configure.sh
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EXTRA_CONFIG=" "
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else
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EXTRA_CONFIG=" "
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fi
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# *nix build system
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mkdir -p build
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cd build
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cmake .. -Dgtest_disable_pthreads=ON -DSHADERC_SKIP_TESTS=ON -DSHADERC_ENABLE_SHARED_CRT=ON
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#cmake --build . --config Debug -- -j$PARALLEL_MAKE
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cmake --build . --config Release -- -j$PARALLEL_MAKE
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fi
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}
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# executed inside the lib src dir, first arg $1 is the dest libs dir root
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function copy() {
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# prepare headers directory if needed
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mkdir -p $1/include/shaderc
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# prepare libs directory if needed
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mkdir -p $1/lib/$TYPE
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if [ "$TYPE" == "vs" ] ; then
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cp -Rv libshaderc/include/* $1/include
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cp -v "build_${TYPE}_${PLATFORM}/lib/Release/libshaderc_combined.lib" $1/lib/$TYPE/$PLATFORM/shaderc.lib
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else
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pwd
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# Standard *nix style copy.
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# copy headers
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cp -Rv libshaderc/include/* $1/include
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# copy lib
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cp -v "build_${TYPE}_${PLATFORM}/lib/Release/libshaderc_combined.a" $1/lib/$TYPE/$PLATFORM/shaderc.a
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fi
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# copy license file
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rm -rf $1/license # remove any older files if exists
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mkdir -p $1/license
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cp -v LICENSE $1/license/
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}
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# executed inside the lib src dir
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function clean() {
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if [ "$TYPE" == "vs" ] ; then
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rm -f *.lib
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elif [ "$TYPE" == "linux64" ]; then
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#statements
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cmake --clean .
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else
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make clean
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fi
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}

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