forked from mirrors/nixpkgs
63 lines
2 KiB
Nix
63 lines
2 KiB
Nix
{ stdenv, fetchFromGitHub, cmake, python }:
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# Like many google projects, shaderc doesn't gracefully support separately compiled dependencies, so we can't easily use
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# the versions of glslang and spirv-tools used by vulkan-loader. Exact revisions are taken from
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# https://github.com/google/shaderc/blob/known-good/known_good.json
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# Future work: extract and fetch all revisions automatically based on a revision of shaderc's known-good branch.
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let
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glslang = fetchFromGitHub {
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owner = "KhronosGroup";
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repo = "glslang";
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rev = "712cd6618df2c77e126d68042ad7a81a69ee4a6f";
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sha256 = "0wncdj6q1hn40lc7cnz97mx5qjvb8p13mhxilnncgcmf0crsvblz";
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};
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spirv-tools = fetchFromGitHub {
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owner = "KhronosGroup";
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repo = "SPIRV-Tools";
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rev = "df5bd2d05ac1fd3ec3024439f885ec21cc949b22";
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sha256 = "0l8ds4nn2qcfi8535ai8891i3547x35hscs2jxwwq6qjgw1sgkax";
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};
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spirv-headers = fetchFromGitHub {
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owner = "KhronosGroup";
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repo = "SPIRV-Headers";
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rev = "79b6681aadcb53c27d1052e5f8a0e82a981dbf2f";
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sha256 = "0flng2rdmc4ndq3j71h6wk1ibcjvhjrg2rzd6rv445vcsf0jh2pj";
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};
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in stdenv.mkDerivation rec {
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name = "shaderc-${version}";
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version = "2018.0";
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outputs = [ "out" "lib" "bin" "dev" "static" ];
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src = fetchFromGitHub {
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owner = "google";
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repo = "shaderc";
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rev = "v${version}";
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sha256 = "0qigmj0riw43pgjn5f6kpvk72fajssz1lc2aiqib5qvmj9rqq3hl";
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};
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patchPhase = ''
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cp -r --no-preserve=mode ${glslang} third_party/glslang
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cp -r --no-preserve=mode ${spirv-tools} third_party/spirv-tools
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ln -s ${spirv-headers} third_party/spirv-tools/external/spirv-headers
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'';
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nativeBuildInputs = [ cmake python ];
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postInstall = ''
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moveToOutput "lib/*.a" $static
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'';
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preConfigure = ''cmakeFlags="$cmakeFlags -DCMAKE_INSTALL_BINDIR=$bin/bin"'';
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enableParallelBuilding = true;
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cmakeFlags = [ "-DSHADERC_SKIP_TESTS=ON" ];
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meta = with stdenv.lib; {
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inherit (src.meta) homepage;
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description = "A collection of tools, libraries and tests for shader compilation.";
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license = [ licenses.asl20 ];
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};
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}
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