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 = "3ee5f2f1d3316e228916788b300d786bb574d337";
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sha256 = "1l5h9d92mzd35pgs0wibqfg7vbl771lwnvdlcsyhf6999khn5dzv";
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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 = "b63f0e5ed3e818870968ebf6af73317127fd07b0";
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sha256 = "1chv30azfp76nha428ivg4ixrij6d8pxj5kn3jam87gmkmgc9zhm";
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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 = "979924c8bc839e4cb1b69d03d48398551f369ce7";
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sha256 = "07vyjlblpm4zhfds612h86lnz0qvrj5qqw5z2zzfa3m9fax7cm85";
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};
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in stdenv.mkDerivation rec {
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pname = "shaderc";
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version = "2020.2";
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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 = "1sxz8872x3rdlrhmbn83r1vniq4j51jnk0ka3447fq68il4myf1w";
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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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