70 lines
2.3 KiB
Nix
70 lines
2.3 KiB
Nix
{ lib, stdenv, fetchFromGitHub, cmake, python3, autoSignDarwinBinariesHook, cctools }:
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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 = "728c689574fba7e53305b475cd57f196c1a21226";
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hash = "sha256-BAgDQosiO3e4yy2DpQ6SjrJNrHTUDSduHFRvzWvd4v0=";
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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 = "d9446130d5165f7fafcb3599252a22e264c7d4bd";
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hash = "sha256-fuYhzfkWXDm1icLHifc32XZCNQ6Dj5f5WJslT2JoMbc=";
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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 = "c214f6f2d1a7253bb0e9f195c2dc5b0659dc99ef";
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hash = "sha256-/9EDOiqN6ZzDhRKP/Kv8D/BT2Cs7G8wyzEsGATLpmrA=";
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};
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in
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stdenv.mkDerivation rec {
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pname = "shaderc";
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version = "2022.4";
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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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hash = "sha256-/p2gJ7Lnh8IfvwBwHPDtmfLJ8j+Rbv+Oxu9lxY6fxfk=";
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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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++ lib.optionals stdenv.isDarwin [ cctools ]
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++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [ autoSignDarwinBinariesHook ];
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postInstall = ''
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moveToOutput "lib/*.a" $static
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'';
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cmakeFlags = [ "-DSHADERC_SKIP_TESTS=ON" ];
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# Fix the paths in .pc, even though it's unclear if all these .pc are really useful.
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postFixup = ''
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substituteInPlace "$dev"/lib/pkgconfig/*.pc \
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--replace '=''${prefix}//' '=/' \
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--replace "$dev/$dev/" "$dev/"
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'';
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meta = with 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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platforms = platforms.all;
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license = [ licenses.asl20 ];
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};
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}
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