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 = "3ed344dd784ecbbc5855e613786f3a1238823e56";
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sha256 = "00s2arfvw78d9k9fmangqlkvkmkpqzrin3g91vfab4wr8srb09dx";
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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 = "323a81fc5e30e43a04e5e22af4cba98ca2a161e6";
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sha256 = "1kwyh95l02w3v1ra55c836wayzw8d0m14ab7wf0ynhhyp3k2p9hv";
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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 = "204cd131c42b90d129073719f2766293ce35c081";
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sha256 = "1gp0mlbfccqnalaix97jxsa5i337xyzyr55wgssapy56p0q04wv2";
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};
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in stdenv.mkDerivation rec {
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pname = "shaderc";
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version = "2019.1";
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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 = "0x514rpignnb4vvl7wmijfakqc59986knjw3dh1zx0ah42xa7x37";
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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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