Wolfgang Walther
94 lines
2.6 KiB
Nix
94 lines
2.6 KiB
Nix
{
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lib,
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stdenv,
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fetchFromGitHub,
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cmake,
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python3,
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autoSignDarwinBinariesHook,
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cctools,
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}:
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# Like many google projects, shaderc doesn't gracefully support separately
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# compiled dependencies, so we can't easily use the versions of glslang and
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# 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
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# 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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# No corresponding tag for efd24d75bcbc55620e759f6bf42c45a32abac5f8 on 2025-06-23
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rev = "efd24d75bcbc55620e759f6bf42c45a32abac5f8";
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hash = "sha256-wMd1ylwDOM/uBbhpyMAduM9X7ao08TNq3HdoNGfSjcQ=";
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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 = "v2025.3.rc1";
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hash = "sha256-yAdd/mXY8EJnE0vCu0n/aVxMH9059T/7cAdB9nP1vQQ=";
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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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# No corresponding tag for 2a611a970fdbc41ac2e3e328802aed9985352dca on 2025-06-19
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rev = "2a611a970fdbc41ac2e3e328802aed9985352dca";
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hash = "sha256-LRjMy9xtOErbJbMh+g2IKXfmo/hWpegZM72F8E122oY=";
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};
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "shaderc";
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version = "2025.3";
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outputs = [
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"out"
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"lib"
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"bin"
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"dev"
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"static"
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];
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src = fetchFromGitHub {
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owner = "google";
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repo = "shaderc";
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rev = "v${finalAttrs.version}";
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hash = "sha256-q5Z0wER8DbkmfT/MNrmnn9J9rzur2YjzAncaO1aRNXA=";
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};
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postPatch = ''
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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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patchShebangs --build utils/
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'';
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nativeBuildInputs = [
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cmake
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python3
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]
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++ lib.optionals stdenv.hostPlatform.isDarwin [ cctools ]
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++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
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autoSignDarwinBinariesHook
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];
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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-fail '=''${prefix}//' '=/' \
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--replace-fail "$dev/$dev/" "$dev/"
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'';
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meta = {
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description = "Collection of tools, libraries and tests for shader compilation";
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inherit (finalAttrs.src.meta) homepage;
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license = lib.licenses.asl20;
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platforms = lib.platforms.all;
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};
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})
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