9aa10f05fd
Not necessary since https://github.com/NixOS/nixpkgs/pull/52856 Parallel building is enabled by default with CMake.
58 lines
1.9 KiB
Nix
58 lines
1.9 KiB
Nix
{ stdenv, fetchFromGitHub, cmake, python3 }:
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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 = "d3692c701b1265955221aa0d6ebc656bc4442b2a";
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sha256 = "11cvwbzlpr4zrcmmyd9h0kbfhmhr6r696ydmn0yp1jrixby4bmji";
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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 = "08cc49ec59c3ff4d6bd4bb4f2097ede35e802158";
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sha256 = "1xhgcppx02fp3nr7654mr3qrgy1fxlxdyl87jhmn3k9jf24gmmmz";
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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 = "8b911bd2ba37677037b38c9bd286c7c05701bcda";
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sha256 = "0qdnj34bkagszyvci6ifpqd7iqvybhmqzvc9lvqnls44qg90aqh2";
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};
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in stdenv.mkDerivation rec {
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name = "shaderc-${version}";
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version = "2019.0";
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outputs = [ "out" "lib" "bin" "dev" "static" ];
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src = fetchFromGitHub {
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owner = "google";
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repo = "shaderc";
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rev = "v${version}";
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sha256 = "1l5mmyxhzsbp0a6y2d86i8jmf46c6bjgjkdgkr5l8hmhflmm7gi2";
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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 python3 ];
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postInstall = ''
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moveToOutput "lib/*.a" $static
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'';
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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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