| use_relative_paths = True | 
 |  | 
 | gclient_gn_args_file = 'build/config/gclient_args.gni' | 
 |  | 
 | gclient_gn_args = [ | 
 |   'generate_location_tags', | 
 | ] | 
 |  | 
 | vars = { | 
 |   'chromium_git': 'https://chromium.googlesource.com', | 
 |   'dawn_git': 'https://dawn.googlesource.com', | 
 |   'github_git': 'https://github.com', | 
 |   'swiftshader_git': 'https://swiftshader.googlesource.com', | 
 |  | 
 |   'dawn_standalone': True, | 
 |   'dawn_node': False, # Also fetches dependencies required for building NodeJS bindings. | 
 |   'dawn_cmake_version': 'version:2@3.23.3', | 
 |   'dawn_cmake_win32_sha1': 'b106d66bcdc8a71ea2cdf5446091327bfdb1bcd7', | 
 |   'dawn_gn_version': 'git_revision:bd99dbf98cbdefe18a4128189665c5761263bcfb', | 
 |   # ninja CIPD package version. | 
 |   # https://chrome-infra-packages.appspot.com/p/infra/3pp/tools/ninja | 
 |   'dawn_ninja_version': 'version:2@1.11.1.chromium.6', | 
 |   'dawn_go_version': 'version:2@1.18.4', | 
 |  | 
 |   'node_darwin_arm64_sha': '31859fc1fa0994a95f44f09c367d6ff63607cfde', | 
 |   'node_darwin_x64_sha': '16dfd094763b71988933a31735f9dea966f9abd6', | 
 |   'node_linux_x64_sha': 'ab9544e24e752d3d17f335fb7b2055062e582d11', | 
 |   'node_win_x64_sha': '5ef847033c517c499f56f9d136d159b663bab717', | 
 |  | 
 |   # GN variable required by //testing that will be output in the gclient_args.gni | 
 |   'generate_location_tags': False, | 
 |  | 
 |   # Fetch clang-tidy into the same bin/ directory as our clang binary. | 
 |   'checkout_clang_tidy': False, | 
 | } | 
 |  | 
 | deps = { | 
 |   # Dependencies required to use GN/Clang in standalone | 
 |   'build': { | 
 |     'url': '{chromium_git}/chromium/src/build@1103ef535ca1e100db5d4e59781a4e59369a9818', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'buildtools': { | 
 |     'url': '{chromium_git}/chromium/src/buildtools@2ff42d2008f09f65de12e70c6ff0ad58ddb090ad', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'third_party/clang-format/script': { | 
 |     'url': '{chromium_git}/external/github.com/llvm/llvm-project/clang/tools/clang-format.git@8b525d2747f2584fc35d8c7e612e66f377858df7', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'buildtools/linux64': { | 
 |     'packages': [{ | 
 |       'package': 'gn/gn/linux-amd64', | 
 |       'version': Var('dawn_gn_version'), | 
 |     }], | 
 |     'dep_type': 'cipd', | 
 |     'condition': 'dawn_standalone and host_os == "linux"', | 
 |   }, | 
 |   'buildtools/mac': { | 
 |     'packages': [{ | 
 |       'package': 'gn/gn/mac-${{arch}}', | 
 |       'version': Var('dawn_gn_version'), | 
 |     }], | 
 |     'dep_type': 'cipd', | 
 |     'condition': 'dawn_standalone and host_os == "mac"', | 
 |   }, | 
 |   'buildtools/win': { | 
 |     'packages': [{ | 
 |       'package': 'gn/gn/windows-amd64', | 
 |       'version': Var('dawn_gn_version'), | 
 |     }], | 
 |     'dep_type': 'cipd', | 
 |     'condition': 'dawn_standalone and host_os == "win"', | 
 |   }, | 
 |  | 
 |   'buildtools/third_party/libc++/trunk': { | 
 |     'url': '{chromium_git}/external/github.com/llvm/llvm-project/libcxx.git@c1341b9a1a7de7c193a23bf003d5479c48957f7d', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'buildtools/third_party/libc++abi/trunk': { | 
 |     'url': '{chromium_git}/external/github.com/llvm/llvm-project/libcxxabi.git@f7460fc60ab56553f0b3b0853f1ea60aa51b9478', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'tools/clang': { | 
 |     'url': '{chromium_git}/chromium/src/tools/clang@effd9257d456f2d42e9e22fa4f37a24d8cf0b5b5', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'tools/clang/dsymutil': { | 
 |     'packages': [{ | 
 |       'package': 'chromium/llvm-build-tools/dsymutil', | 
 |       'version': 'M56jPzDv1620Rnm__jTMYS62Zi8rxHVq7yw0qeBFEgkC', | 
 |     }], | 
 |     'condition': 'dawn_standalone and (checkout_mac or checkout_ios)', | 
 |     'dep_type': 'cipd', | 
 |   }, | 
 |  | 
 |   # Testing, GTest and GMock | 
 |   'testing': { | 
 |     'url': '{chromium_git}/chromium/src/testing@166db27fd0d53afc0c716b1ae9c15725e380871f', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'third_party/googletest': { | 
 |     'url': '{chromium_git}/external/github.com/google/googletest@7a7231c442484be389fdf01594310349ca0e42a8', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   # This is a dependency of //testing | 
 |   'third_party/catapult': { | 
 |     'url': '{chromium_git}/catapult.git@c1e70d412ce01fb194f73f7abfdac710aae87dae', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'third_party/google_benchmark/src': { | 
 |     'url': '{chromium_git}/external/github.com/google/benchmark.git' + '@' + 'efc89f0b524780b1994d5dddd83a92718e5be492', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   # Jinja2 and MarkupSafe for the code generator | 
 |   'third_party/jinja2': { | 
 |     'url': '{chromium_git}/chromium/src/third_party/jinja2@ee69aa00ee8536f61db6a451f3858745cf587de6', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   'third_party/markupsafe': { | 
 |     'url': '{chromium_git}/chromium/src/third_party/markupsafe@0944e71f4b2cb9a871bcbe353f95e889b64a611a', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   # GLFW for tests and samples | 
 |   'third_party/glfw': { | 
 |     'url': '{chromium_git}/external/github.com/glfw/glfw@62e175ef9fae75335575964c845a302447c012c7', | 
 |   }, | 
 |  | 
 |   'third_party/vulkan_memory_allocator': { | 
 |     'url': '{chromium_git}/external/github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator@5e49f57a6e71a026a54eb42e366de09a4142d24e', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'third_party/angle': { | 
 |     'url': '{chromium_git}/angle/angle@1be015356eb8530b43e4c71b6cd514570186e08e', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'third_party/swiftshader': { | 
 |     'url': '{swiftshader_git}/SwiftShader@f85911d274afbcdf3094664c5e1f53e96f954c7f', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'third_party/vulkan-deps': { | 
 |     'url': '{chromium_git}/vulkan-deps@73a4816c4b451e0e47b35478ba204acb7848b6b9', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'third_party/zlib': { | 
 |     'url': '{chromium_git}/chromium/src/third_party/zlib@64bbf988543996eb8df9a86877b32917187eba8f', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   'third_party/abseil-cpp': { | 
 |     'url': '{chromium_git}/chromium/src/third_party/abseil-cpp@bc3ab29356a081d0b5dd4ac55e30f4b45d8794cc', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |  | 
 |   # WebGPU CTS - not used directly by Dawn, only transitively by Chromium. | 
 |   'third_party/webgpu-cts': { | 
 |     'url': '{chromium_git}/external/github.com/gpuweb/cts@b033a4f1ae4a0e19ae4d5563fae023001bbf570f', | 
 |     'condition': 'build_with_chromium', | 
 |   }, | 
 |  | 
 |   # Dependencies required to build / run Dawn NodeJS bindings | 
 |   'third_party/node-api-headers': { | 
 |     'url': '{github_git}/nodejs/node-api-headers.git@d68505e4055ecb630e14c26c32e5c2c65e179bba', | 
 |     'condition': 'dawn_node', | 
 |   }, | 
 |   'third_party/node-addon-api': { | 
 |     'url': '{github_git}/nodejs/node-addon-api.git@4a3de56c3e4ed0031635a2f642b27efeeed00add', | 
 |     'condition': 'dawn_node', | 
 |   }, | 
 |   'third_party/gpuweb': { | 
 |     'url': '{github_git}/gpuweb/gpuweb.git@913189072715569b8ad60e5c2e38e501273bd5b0', | 
 |     'condition': 'dawn_node', | 
 |   }, | 
 |  | 
 |   'tools/golang': { | 
 |     'packages': [{ | 
 |       'package': 'infra/3pp/tools/go/${{platform}}', | 
 |       'version': Var('dawn_go_version'), | 
 |     }], | 
 |     'dep_type': 'cipd', | 
 |   }, | 
 |  | 
 |   'tools/cmake': { | 
 |     'condition': 'dawn_node and (host_os == "mac" or host_os == "linux")', | 
 |     'packages': [{ | 
 |       'package': 'infra/3pp/tools/cmake/${{platform}}', | 
 |       'version': Var('dawn_cmake_version'), | 
 |     }], | 
 |     'dep_type': 'cipd', | 
 |   }, | 
 |  | 
 |   'third_party/ninja': { | 
 |     'packages': [ | 
 |       { | 
 |         'package': 'infra/3pp/tools/ninja/${{platform}}', | 
 |         'version': Var('dawn_ninja_version'), | 
 |       } | 
 |     ], | 
 |     'dep_type': 'cipd', | 
 |   }, | 
 |  | 
 |   # Misc dependencies inherited from Tint | 
 |   'third_party/protobuf': { | 
 |     'url': '{chromium_git}/external/github.com/protocolbuffers/protobuf.git@fde7cf7358ec7cd69e8db9be4f1fa6a5c431386a', | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 | } | 
 |  | 
 | hooks = [ | 
 |   # Pull the compilers and system libraries for hermetic builds | 
 |   { | 
 |     'name': 'sysroot_x86', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_linux and (checkout_x86 or checkout_x64)', | 
 |     'action': ['python3', 'build/linux/sysroot_scripts/install-sysroot.py', | 
 |                '--arch=x86'], | 
 |   }, | 
 |   { | 
 |     'name': 'sysroot_x64', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_linux and checkout_x64', | 
 |     'action': ['python3', 'build/linux/sysroot_scripts/install-sysroot.py', | 
 |                '--arch=x64'], | 
 |   }, | 
 |   { | 
 |     # Update the Mac toolchain if possible, this makes builders use "hermetic XCode" which is | 
 |     # is more consistent (only changes when rolling build/) and is cached. | 
 |     'name': 'mac_toolchain', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_mac', | 
 |     'action': ['python3', 'build/mac_toolchain.py'], | 
 |   }, | 
 |   { | 
 |     # Case-insensitivity for the Win SDK. Must run before win_toolchain below. | 
 |     'name': 'ciopfs_linux', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_win and host_os == "linux"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-browser-clang/ciopfs', | 
 |                 '-s', 'build/ciopfs.sha1', | 
 |     ] | 
 |   }, | 
 |   { | 
 |     # Update the Windows toolchain if necessary. Must run before 'clang' below. | 
 |     'name': 'win_toolchain', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_win', | 
 |     'action': ['python3', 'build/vs_toolchain.py', 'update', '--force'], | 
 |   }, | 
 |   { | 
 |     # Note: On Win, this should run after win_toolchain, as it may use it. | 
 |     'name': 'clang', | 
 |     'pattern': '.', | 
 |     'action': ['python3', 'tools/clang/scripts/update.py'], | 
 |     'condition': 'dawn_standalone', | 
 |   }, | 
 |   { | 
 |     # This is also supposed to support the same set of platforms as 'clang' | 
 |     # above. LLVM ToT support isn't provided at the moment. | 
 |     'name': 'clang_tidy', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_clang_tidy', | 
 |     'action': ['python3', 'tools/clang/scripts/update.py', | 
 |                '--package=clang-tidy'], | 
 |   }, | 
 |   { | 
 |     # Pull rc binaries using checked-in hashes. | 
 |     'name': 'rc_win', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_win and host_os == "win"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-browser-clang/rc', | 
 |                 '-s', 'build/toolchain/win/rc/win/rc.exe.sha1', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'rc_linux', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and checkout_win and host_os == "linux"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-browser-clang/rc', | 
 |                 '-s', 'build/toolchain/win/rc/linux64/rc.sha1', | 
 |     ] | 
 |   }, | 
 |   # Pull clang-format binaries using checked-in hashes. | 
 |   { | 
 |     'name': 'clang_format_win', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and host_os == "win"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-clang-format', | 
 |                 '-s', 'buildtools/win/clang-format.exe.sha1', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'clang_format_mac_x64', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and host_os == "mac" and host_cpu == "x64"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-clang-format', | 
 |                 '-s', 'buildtools/mac/clang-format.x64.sha1', | 
 |                 '-o', 'buildtools/mac/clang-format', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'clang_format_mac_arm64', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and host_os == "mac" and host_cpu == "arm64"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-clang-format', | 
 |                 '-s', 'buildtools/mac/clang-format.arm64.sha1', | 
 |                 '-o', 'buildtools/mac/clang-format', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'clang_format_linux', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone and host_os == "linux"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-clang-format', | 
 |                 '-s', 'buildtools/linux64/clang-format.sha1', | 
 |     ], | 
 |   }, | 
 |   # Update build/util/LASTCHANGE. | 
 |   { | 
 |     'name': 'lastchange', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_standalone', | 
 |     'action': ['python3', 'build/util/lastchange.py', | 
 |                '-o', 'build/util/LASTCHANGE'], | 
 |   }, | 
 |   # TODO(https://crbug.com/1180257): Use CIPD for CMake on Windows. | 
 |   { | 
 |     'name': 'cmake_win32', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_node and host_os == "win"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--platform=win32', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-tools', | 
 |                 Var('dawn_cmake_win32_sha1'), | 
 |                 '-o', 'tools/cmake-win32.zip' | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'cmake_win32_extract', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_node and host_os == "win"', | 
 |     'action': [ 'python3', | 
 |                 'scripts/extract.py', | 
 |                 'tools/cmake-win32.zip', | 
 |                 'tools/cmake-win32/', | 
 |     ], | 
 |   }, | 
 |  | 
 |   # Node binaries, when dawn_node is enabled | 
 |   { | 
 |     'name': 'node_linux64', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_node and host_os == "linux"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--extract', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-nodejs/16.13.0', | 
 |                 Var('node_linux_x64_sha'), | 
 |                 '-o', 'third_party/node/node-linux-x64.tar.gz', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'node_mac', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_node and host_os == "mac"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--extract', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-nodejs/16.13.0', | 
 |                 Var('node_darwin_x64_sha'), | 
 |                 '-o', 'third_party/node/node-darwin-x64.tar.gz', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'node_mac_arm64', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_node and host_os == "mac"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--extract', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-nodejs/16.13.0', | 
 |                 Var('node_darwin_arm64_sha'), | 
 |                 '-o', 'third_party/node/node-darwin-arm64.tar.gz', | 
 |     ], | 
 |   }, | 
 |   { | 
 |     'name': 'node_win', | 
 |     'pattern': '.', | 
 |     'condition': 'dawn_node and host_os == "win"', | 
 |     'action': [ 'download_from_google_storage', | 
 |                 '--no_resume', | 
 |                 '--no_auth', | 
 |                 '--bucket', 'chromium-nodejs/16.13.0', | 
 |                 Var('node_win_x64_sha'), | 
 |                 '-o', 'third_party/node/node.exe', | 
 |     ], | 
 |   }, | 
 |  | 
 | ] | 
 |  | 
 | recursedeps = [ | 
 |   'third_party/vulkan-deps', | 
 | ] |