FFmpeg-Builds/scripts.d/45-opencl.sh

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#!/bin/bash
HEADERS_REPO="https://github.com/KhronosGroup/OpenCL-Headers.git"
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HEADERS_COMMIT="835558e45c41df1345ee514e94a839c31923c1b2"
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LOADER_REPO="https://github.com/KhronosGroup/OpenCL-ICD-Loader.git"
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LOADER_COMMIT="4e65bd5db0a0a87637fddc081a70d537fc2a9e70"
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ffbuild_enabled() {
return 0
}
ffbuild_dockerbuild() {
mkdir opencl && cd opencl
git-mini-clone "$HEADERS_REPO" "$HEADERS_COMMIT" headers
mkdir -p "$FFBUILD_PREFIX"/include/CL
cp -r headers/CL/* "$FFBUILD_PREFIX"/include/CL/.
git-mini-clone "$LOADER_REPO" "$LOADER_COMMIT" loader
cd loader
mkdir build && cd build
cmake -DCMAKE_TOOLCHAIN_FILE="$FFBUILD_CMAKE_TOOLCHAIN" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="$FFBUILD_PREFIX" -DOPENCL_ICD_LOADER_HEADERS_DIR="$FFBUILD_PREFIX"/include -DBUILD_SHARED_LIBS=OFF -DOPENCL_ICD_LOADER_DISABLE_OPENCLON12=ON -DOPENCL_ICD_LOADER_PIC=ON -DOPENCL_ICD_LOADER_BUILD_TESTING=OFF ..
make -j$(nproc)
make install
echo "prefix=$FFBUILD_PREFIX" > OpenCL.pc
echo "exec_prefix=\${prefix}" >> OpenCL.pc
echo "libdir=\${exec_prefix}/lib" >> OpenCL.pc
echo "includedir=\${prefix}/include" >> OpenCL.pc
echo >> OpenCL.pc
echo "Name: OpenCL" >> OpenCL.pc
echo "Description: OpenCL ICD Loader" >> OpenCL.pc
echo "Version: 9999" >> OpenCL.pc
echo "Libs: -L\${libdir} -lOpenCL" >> OpenCL.pc
echo "Cflags: -I\${includedir}" >> OpenCL.pc
if [[ $TARGET == linux* ]]; then
echo "Libs.private: -ldl" >> OpenCL.pc
elif [[ $TARGET == win* ]]; then
echo "Libs.private: -lole32 -lshlwapi -lcfgmgr32" >> OpenCL.pc
fi
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mkdir -p "$FFBUILD_PREFIX"/lib/pkgconfig
mv OpenCL.pc "$FFBUILD_PREFIX"/lib/pkgconfig/OpenCL.pc
}
ffbuild_configure() {
echo --enable-opencl
}
ffbuild_unconfigure() {
echo --disable-opencl
}