| # Copyright 2019 The Dawn Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import("../../../scripts/dawn_overrides_with_defaults.gni") |
| |
| import("//build_overrides/build.gni") |
| import("${dawn_root}/generator/dawn_generator.gni") |
| import("${dawn_root}/scripts/dawn_features.gni") |
| |
| # Use Chromium's dcheck_always_on when available so that we respect it when |
| # running tests on the GPU builders |
| if (build_with_chromium) { |
| import("//build/config/dcheck_always_on.gni") |
| } else { |
| dcheck_always_on = false |
| } |
| |
| if (build_with_chromium) { |
| import("//build/config/sanitizers/sanitizers.gni") |
| } else { |
| use_fuzzing_engine = false |
| } |
| |
| ############################################################################### |
| # Common dawn configs |
| ############################################################################### |
| |
| config("internal_config") { |
| include_dirs = [ |
| "${target_gen_dir}/../../../src", |
| "${dawn_root}/src", |
| ] |
| |
| defines = [] |
| if (dawn_always_assert || dcheck_always_on || is_debug || |
| use_fuzzing_engine) { |
| defines += [ "DAWN_ENABLE_ASSERTS" ] |
| } |
| |
| if (use_fuzzing_engine) { |
| defines += [ |
| # Does a hard abort when an assertion fails so that fuzzers catch and parse the failure. |
| "DAWN_ABORT_ON_ASSERT", |
| |
| # Disable logging to make fuzzing more efficient. |
| "DAWN_DISABLE_LOGGING", |
| ] |
| } |
| |
| if (dawn_enable_d3d12) { |
| defines += [ "DAWN_ENABLE_BACKEND_D3D12" ] |
| } |
| if (dawn_enable_metal) { |
| defines += [ "DAWN_ENABLE_BACKEND_METAL" ] |
| } |
| if (dawn_enable_null) { |
| defines += [ "DAWN_ENABLE_BACKEND_NULL" ] |
| } |
| if (dawn_enable_opengl) { |
| defines += [ "DAWN_ENABLE_BACKEND_OPENGL" ] |
| } |
| if (dawn_enable_desktop_gl) { |
| defines += [ "DAWN_ENABLE_BACKEND_DESKTOP_GL" ] |
| } |
| if (dawn_enable_opengles) { |
| defines += [ "DAWN_ENABLE_BACKEND_OPENGLES" ] |
| } |
| if (dawn_enable_vulkan) { |
| defines += [ "DAWN_ENABLE_BACKEND_VULKAN" ] |
| } |
| |
| # OS_CHROMEOS cannot be autodetected in runtime and |
| # cannot be detected with regular compiler macros either. |
| # Inject it from the build system |
| if (is_chromeos) { |
| defines += [ "DAWN_OS_CHROMEOS" ] |
| } |
| |
| if (dawn_use_wayland) { |
| defines += [ "DAWN_USE_WAYLAND" ] |
| } |
| if (dawn_use_x11) { |
| defines += [ "DAWN_USE_X11" ] |
| } |
| |
| if (dawn_enable_error_injection) { |
| defines += [ "DAWN_ENABLE_ERROR_INJECTION" ] |
| } |
| |
| # Only internal Dawn targets can use this config, this means only targets in |
| # this BUILD.gn file and related subdirs. |
| visibility = [ |
| "${dawn_root}/samples/dawn/*", |
| "${dawn_root}/src/dawn/*", |
| ] |
| |
| cflags = [] |
| if (is_clang) { |
| cflags += [ "-Wno-shadow" ] |
| } |
| |
| # Enable more warnings that were found when using Dawn in other projects. |
| # Add them only when building in standalone because we control which clang |
| # version we use. Otherwise we risk breaking projects depending on Dawn when |
| # the use a different clang version. |
| if (dawn_standalone && is_clang) { |
| cflags += [ |
| "-Wconditional-uninitialized", |
| "-Wcstring-format-directive", |
| "-Wc++11-narrowing", |
| "-Wdeprecated-copy", |
| "-Wdeprecated-copy-dtor", |
| "-Wduplicate-enum", |
| "-Wextra-semi", |
| "-Wextra-semi-stmt", |
| "-Wimplicit-fallthrough", |
| "-Winconsistent-missing-destructor-override", |
| "-Winvalid-offsetof", |
| "-Wmissing-field-initializers", |
| "-Wnon-c-typedef-for-linkage", |
| "-Wpessimizing-move", |
| "-Wrange-loop-analysis", |
| "-Wredundant-move", |
| "-Wshadow-field", |
| "-Wstrict-prototypes", |
| "-Wsuggest-destructor-override", |
| "-Wsuggest-override", |
| "-Wtautological-unsigned-zero-compare", |
| "-Wunreachable-code-aggressive", |
| "-Wunused-but-set-variable", |
| "-Wunused-macros", |
| ] |
| |
| if (is_win) { |
| cflags += [ |
| # clang-cl doesn't know -pedantic, pass it explicitly to the clang driver |
| "/clang:-pedantic", |
| |
| # Allow the use of __uuidof() |
| "-Wno-language-extension-token", |
| ] |
| } else { |
| cflags += [ "-pedantic" ] |
| } |
| } |
| |
| if (!is_clang && is_win) { |
| # Dawn extends wgpu enums with internal enums. |
| # MSVC considers these invalid switch values. crbug.com/dawn/397. |
| cflags += [ "/wd4063" ] |
| |
| # MSVC things that a switch over all the enum values of an enum class is |
| # not sufficient to cover all control paths. Turn off this warning so that |
| # the respective clang warning tells us where to add switch cases |
| # (otherwise we have to add default: UNREACHABLE() that silences clang too) |
| cflags += [ "/wd4715" ] |
| |
| # MSVC emits warnings when using constructs deprecated in C++17. Silence |
| # them until they are fixed. |
| # TODO(dawn:824): Fix all uses of C++ features deprecated in C++17. |
| defines += [ "_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS" ] |
| if (dawn_is_winuwp) { |
| # /ZW makes sure we don't add calls that are forbidden in UWP. |
| # and /EHsc is required to be used in combination with it, |
| # even if it is already added by the windows GN defaults, |
| # we still add it to make every /ZW paired with a /EHsc |
| cflags_cc = [ |
| "/ZW:nostdlib", |
| "/EHsc", |
| ] |
| } |
| } |
| } |
| |
| ############################################################################### |
| # Common dawn library |
| ############################################################################### |
| |
| dawn_generator("dawn_version_gen") { |
| script = "${dawn_root}/generator/dawn_version_generator.py" |
| args = [ |
| "--dawn-dir", |
| rebase_path("${dawn_root}", root_build_dir), |
| ] |
| |
| # We can use the explicit version file if it is generated instead of relying |
| # on the existence of git. |
| if (dawn_version_file != "") { |
| args += [ |
| "--version-file", |
| rebase_path(dawn_version_file, root_build_dir), |
| ] |
| } |
| |
| outputs = [ "src/dawn/common/Version_autogen.h" ] |
| } |
| |
| dawn_generator("dawn_gpu_info_gen") { |
| script = "${dawn_root}/generator/dawn_gpu_info_generator.py" |
| args = [ |
| "--gpu-info-json", |
| rebase_path("${dawn_root}/src/dawn/gpu_info.json", root_build_dir), |
| ] |
| outputs = [ |
| "src/dawn/common/GPUInfo_autogen.h", |
| "src/dawn/common/GPUInfo_autogen.cpp", |
| ] |
| } |
| |
| # This GN file is discovered by all Chromium builds, but common doesn't support |
| # all of Chromium's OSes so we explicitly make the target visible only on |
| # systems we know Dawn is able to compile on. |
| if (is_win || is_linux || is_chromeos || is_mac || is_fuchsia || is_android) { |
| static_library("common") { |
| sources = [ |
| "Alloc.h", |
| "Assert.cpp", |
| "Assert.h", |
| "BitSetIterator.h", |
| "Compiler.h", |
| "ConcurrentCache.h", |
| "Constants.h", |
| "CoreFoundationRef.h", |
| "DynamicLib.cpp", |
| "DynamicLib.h", |
| "GPUInfo.cpp", |
| "GPUInfo.h", |
| "HashUtils.h", |
| "IOKitRef.h", |
| "LinkedList.h", |
| "Log.cpp", |
| "Log.h", |
| "Math.cpp", |
| "Math.h", |
| "NSRef.h", |
| "NonCopyable.h", |
| "Numeric.h", |
| "PlacementAllocated.h", |
| "Platform.h", |
| "Preprocessor.h", |
| "RefBase.h", |
| "RefCounted.cpp", |
| "RefCounted.h", |
| "Result.cpp", |
| "Result.h", |
| "SerialMap.h", |
| "SerialQueue.h", |
| "SerialStorage.h", |
| "SlabAllocator.cpp", |
| "SlabAllocator.h", |
| "StackContainer.h", |
| "SwapChainUtils.h", |
| "SystemUtils.cpp", |
| "SystemUtils.h", |
| "TypeTraits.h", |
| "TypedInteger.h", |
| "UnderlyingType.h", |
| "ityp_array.h", |
| "ityp_bitset.h", |
| "ityp_span.h", |
| "ityp_stack_vec.h", |
| "ityp_vector.h", |
| "vulkan_platform.h", |
| "xlib_with_undefs.h", |
| ] |
| sources += get_target_outputs(":dawn_gpu_info_gen") |
| |
| public_deps = [ |
| ":dawn_gpu_info_gen", |
| ":dawn_version_gen", |
| ] |
| |
| if (is_mac) { |
| sources += [ "SystemUtils_mac.mm" ] |
| } |
| |
| # Note that while this doesn't make `internal_config` a public config of |
| # Dawn libraries because `:common` is only used as a private deps of Dawn |
| # targets, so `internal_config` doesn't leak out of Dawn. |
| public_configs = [ ":internal_config" ] |
| deps = [ |
| "${dawn_root}/include/dawn:cpp_headers", |
| "${dawn_root}/include/dawn:headers", |
| ] |
| |
| if (is_win) { |
| sources += [ |
| "WindowsUtils.cpp", |
| "WindowsUtils.h", |
| "windows_with_undefs.h", |
| ] |
| } |
| if (dawn_enable_vulkan) { |
| public_deps += [ "${dawn_vulkan_headers_dir}:vulkan_headers" ] |
| } |
| if (is_android) { |
| libs = [ "log" ] |
| } |
| } |
| } |