wgpu-native: init at 22.1.0.5 (#362014)

pkgs/by-name/wg/wgpu-native/examples.nix

@@ -0,0 +1,88 @@
+{
+  lib,
+  stdenv,
+  cmake,
+  pkg-config,
+  ninja,
+  makeWrapper,
+  wgpu-native,
+  glfw,
+  wayland,
+  xorg,
+  vulkan-loader,
+
+  version,
+  src,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  inherit version src;
+  pname = "wgpu-native-examples";
+
+  sourceRoot = "${src.name}/examples";
+
+  postPatch = ''
+    substituteInPlace ./CMakeLists.txt \
+      --replace-fail 'add_subdirectory(vendor/glfw)' 'find_package(glfw3 3.4 REQUIRED)'
+  '';
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    ninja
+    makeWrapper
+  ];
+
+  buildInputs =
+    [
+      wgpu-native
+      glfw
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isLinux [
+      wayland
+      xorg.libX11
+      xorg.libXrandr
+    ];
+
+  runtimeInputs = lib.optionals stdenv.hostPlatform.isLinux [
+    # Without wayland in library path, this warning is raised:
+    # "No windowing system present. Using surfaceless platform"
+    wayland
+    # Without vulkan-loader present, wgpu won't find any adapter
+    vulkan-loader
+  ];
+
+  makeWrapperArgs = lib.optionals (finalAttrs.runtimeInputs != [ ]) [
+    "--prefix LD_LIBRARY_PATH : ${builtins.toString (lib.makeLibraryPath finalAttrs.runtimeInputs)}"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    concatTo makeWrapperArgsArray makeWrapperArgs
+
+    # find all executables that have the same name as their directory
+    for executable in $(find . -regex '.*\(/[^/]*\)\1' -type f -executable)
+    do
+      target="$(basename "$(dirname "$executable")")"
+      install -Dm755 $executable -t $out/bin
+      mkdir -p $out/share/$target
+      wrapProgram $out/bin/$target --chdir $out/share/$target "''${makeWrapperArgsArray[@]}"
+
+      # The examples expect their shaders in the CWD, so we copy them into the store
+      # and wrap the examples to run in the directory containing the shader.
+      for shader in $(find ../$target -type f -name '*.wgsl'); do
+        install -Dm644 $shader $out/share/$target/
+      done
+    done
+
+    runHook postInstall
+  '';
+
+  meta = wgpu-native.meta // {
+    description = "Examples for the native WebGPU implementation based on wgpu-core";
+    mainProgram = "triangle";
+  };
+})

pkgs/by-name/wg/wgpu-native/package.nix

@@ -0,0 +1,62 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  rustPlatform,
+  fixDarwinDylibNames,
+  vulkan-loader,
+  nix-update-script,
+  callPackage,
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "wgpu-native";
+  version = "22.1.0.5";
+
+  src = fetchFromGitHub {
+    owner = "gfx-rs";
+    repo = "wgpu-native";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-lEUHRU7+sFWtEYTOB2F+SmMNG8nrjro3IL7BgYuIGgM=";
+    fetchSubmodules = true;
+  };
+
+  outputs = [
+    "out"
+    "dev"
+  ];
+
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-frlGlUqyKa3PTRbpLhcnUvu+SX64V/CnZGa6+ADxKCo=";
+
+  nativeBuildInputs = [
+    rustPlatform.bindgenHook
+  ] ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
+
+  buildInputs = lib.optionals stdenv.hostPlatform.isLinux [
+    vulkan-loader
+  ];
+
+  postInstall = ''
+    rm $out/lib/libwgpu_native.a
+    install -Dm644 ./ffi/wgpu.h -t $dev/include/webgpu
+    install -Dm644 ./ffi/webgpu-headers/webgpu.h -t $dev/include/webgpu
+  '';
+
+  passthru = {
+    updateScript = nix-update-script { };
+    examples = callPackage ./examples.nix {
+      inherit version src;
+    };
+  };
+
+  meta = {
+    description = "Native WebGPU implementation based on wgpu-core";
+    homepage = "https://github.com/gfx-rs/wgpu-native";
+    license = with lib.licenses; [
+      mit
+      asl20
+    ];
+    maintainers = with lib.maintainers; [ niklaskorz ];
+  };
+}