skia/BUILD.gn - chromium/src - Git at Google

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.

 import("//build/buildflag_header.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/freetype/freetype.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//gpu/vulkan/features.gni")
 import("//printing/buildflags/buildflags.gni")
 import("//testing/test.gni")
 import("//third_party/libgifcodec/libgifcodec.gni")
 import("//third_party/skia/gn/shared_sources.gni")
 import("//third_party/skia/third_party/skcms/skcms.gni")
 import("//tools/grit/grit_rule.gni")
 import("features.gni")

 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
 if (current_cpu == "mipsel" || current_cpu == "mips64el") {
   import("//build/config/mips.gni")
 }

 skia_support_gpu = !is_ios
 skia_support_pdf = !is_ios && enable_basic_printing
 skia_support_skottie = true

 declare_args() {
   enable_skia_wuffs_gif = true
 }

 # Generate a buildflag header for compile-time checking of Dawn support.
 buildflag_header("buildflags") {
   header = "buildflags.h"
   flags = [ "SKIA_USE_DAWN=$skia_use_dawn" ]
 }

 # External-facing config for dependent code.
 config("skia_config") {
   defines = [ "SK_UNTIL_CRBUG_1187654_IS_FIXED" ]
   include_dirs = [ "//third_party/skia" ]

   if (!is_ios) {
     if (enable_skia_wuffs_gif) {
       include_dirs += [ "//third_party/wuffs/src/release/c" ]
     } else {
       include_dirs += [ "//third_party/libgifcodec" ]
     }
   }
   if (enable_vulkan) {
     include_dirs += [ "//third_party/vulkan/include" ]
     configs =
         [ "//third_party/vulkan-deps/vulkan-headers/src:vulkan_headers_config" ]
   }

   defines += [
     "SK_CODEC_DECODES_PNG",
     "SK_CODEC_DECODES_WEBP",
     "SK_ENCODE_PNG",
     "SK_ENCODE_WEBP",
     "SK_ENABLE_SKSL",
     "SK_USER_CONFIG_HEADER=\"../../skia/config/SkUserConfig.h\"",
   ]

   if (skia_use_gl) {
     defines += [ "SK_GL" ]
   }

   if (!is_ios) {
     defines += [
       "SK_CODEC_DECODES_JPEG",
       "SK_ENCODE_JPEG",
     ]
     if (enable_skia_wuffs_gif) {
       defines += [ "SK_HAS_WUFFS_LIBRARY" ]
     } else {
       defines += [ "SK_USE_LIBGIFCODEC" ]
     }
   }
   if (enable_vulkan) {
     defines += [
       "SK_VULKAN_HEADER=\"../../skia/config/SkVulkanConfig.h\"",
       "SK_VULKAN=1",
     ]
   }
   if (skia_use_dawn) {
     defines += [ "SK_DAWN" ]
   }

   if (is_component_build) {
     defines += [ "SKIA_DLL" ]
     if (is_win) {
       defines += [ "SKCMS_API=__declspec(dllexport)" ]
     } else {
       defines += [ "SKCMS_API=__attribute__((visibility(\"default\")))" ]
     }
   }

   if (skia_support_gpu) {
     workaround_header = "gpu/config/gpu_driver_bug_workaround_autogen.h"
     defines += [
       "SK_SUPPORT_GPU=1",
       "SK_GPU_WORKAROUNDS_HEADER=\"$workaround_header\"",
     ]
   } else {
     defines += [ "SK_SUPPORT_GPU=0" ]
   }

   if (is_android) {
     defines += [
       "SK_BUILD_FOR_ANDROID",
       "USE_CHROMIUM_SKIA",
     ]
   }

   if (is_mac) {
     defines += [
       "SK_BUILD_FOR_MAC",
       "SK_METAL",
     ]
   }

   if (is_win) {
     defines += [ "GR_GL_FUNCTION_TYPE=__stdcall" ]
   }
 }

 # Internal-facing config for Skia library code.
 config("skia_library_config") {
   defines = []

   if (!is_ios && !use_system_freetype) {
     defines += [ "SK_FREETYPE_MINIMUM_RUNTIME_VERSION=(((FREETYPE_MAJOR) * 0x01000000) | ((FREETYPE_MINOR) * 0x00010000) | ((FREETYPE_PATCH) * 0x00000100))" ]
   }

   defines += [ "SKIA_IMPLEMENTATION=1" ]

   if (current_cpu == "arm") {
     if (arm_use_neon) {
       defines += [ "SK_ARM_HAS_NEON" ]
     } else if (arm_optionally_use_neon) {
       defines += [ "SK_ARM_HAS_OPTIONAL_NEON" ]
     }
   }

   # Settings for text blitting, chosen to approximate the system browser.
   if (is_linux || is_chromeos) {
     defines += [
       "SK_GAMMA_EXPONENT=1.2",
       "SK_GAMMA_CONTRAST=0.2",
     ]
   } else if (is_android) {
     defines += [
       "SK_GAMMA_APPLY_TO_A8",
       "SK_GAMMA_EXPONENT=1.4",
       "SK_GAMMA_CONTRAST=0.0",
     ]
   } else if (is_win) {
     defines += [
       "SK_GAMMA_SRGB",
       "SK_GAMMA_CONTRAST=0.5",
     ]
   } else if (is_mac) {
     defines += [
       "SK_GAMMA_SRGB",
       "SK_GAMMA_CONTRAST=0.0",
     ]
   }

   if (is_android) {
     defines += [
       # Android devices are typically more memory constrained, so default to a
       # smaller glyph cache (it may be overriden at runtime when the renderer
       # starts up, depending on the actual device memory).
       "SK_DEFAULT_FONT_CACHE_LIMIT=1048576",  # 1024 * 1024
     ]
   } else {
     defines += [ "SK_DEFAULT_FONT_CACHE_LIMIT=20971520" ]  # 20 * 1024 * 1024
   }

   if (is_win) {
     defines += [
       # On windows, GDI handles are a scarse system-wide resource so we have to
       # keep the glyph cache, which holds up to 4 GDI handles per entry, to a
       # fairly small size. http://crbug.com/314387
       "SK_DEFAULT_FONT_CACHE_COUNT_LIMIT=256",
     ]

     cflags = [
       "/wd4244",  # conversion from 'type1( __int64)' to 'type2 (unsigned int)'
       "/wd4267",  # conversion from 'size_t' (64 bit) to 'type'(32 bit).
       "/wd4341",  # signed value is out of range for enum constant.
       "/wd4345",  # Object is default-initialized if initialization is omitted.
       "/wd4390",  # ';'empty statement found in looping;is it what was intended?
       "/wd4554",  # 'operator' : check operator precedence for possible error
       "/wd4748",  # compiler will disable optimizations if a function has inline
                   # assembly code contains flow control(jmp or jcc) statements.

       "/wd4800",  # forcing value to bool 'true/false'(assigning int to bool).
       "/wd5041",  # out-of-line definition for constexpr static data member is
                   # not needed and is deprecated in C++17
     ]
     cflags_cc = [ "/std:c++17" ]
   } else {
     cflags_cc = [ "-std=c++17" ]
     cflags_objcc = [ "-std=c++17" ]
   }
 }

 source_set("skcms") {
   cflags = []
   if (!is_win || is_clang) {
     cflags += [
       "-w",
       "-std=c11",
     ]
   }

   # LLVM automatically sets the equivalent of GCC's -mfp16-format=ieee on ARM
   # builds by default, while GCC itself does not. We need it to enable support
   # for half-precision floating point data types used by SKCMS on ARM.
   if ((is_linux || is_chromeos) && !is_clang && current_cpu == "arm") {
     cflags += [ "-mfp16-format=ieee" ]
   }

   public = [ "//third_party/skia/include/third_party/skcms/skcms.h" ]
   include_dirs = [ "//third_party/skia/include/third_party/skcms" ]
   sources =
       rebase_path(skcms_sources, ".", "//third_party/skia/third_party/skcms")
 }

 component("skia") {
   deps = []
   sources = [
     # Chrome sources.
     "config/SkUserConfig.h",
     "config/sk_ref_cnt_ext_debug.h",
     "config/sk_ref_cnt_ext_release.h",
     "ext/SkDiscardableMemory_chrome.cc",
     "ext/SkDiscardableMemory_chrome.h",
     "ext/SkMemory_new_handler.cpp",
     "ext/benchmarking_canvas.cc",
     "ext/benchmarking_canvas.h",
     "ext/convolver.cc",
     "ext/convolver.h",
     "ext/event_tracer_impl.cc",
     "ext/event_tracer_impl.h",
     "ext/google_logging.cc",
     "ext/image_operations.cc",
     "ext/image_operations.h",
     "ext/legacy_display_globals.cc",
     "ext/legacy_display_globals.h",
     "ext/opacity_filter_canvas.cc",
     "ext/opacity_filter_canvas.h",
     "ext/recursive_gaussian_convolution.cc",
     "ext/recursive_gaussian_convolution.h",
     "ext/rgba_to_yuva.cc",
     "ext/rgba_to_yuva.h",
     "ext/skia_histogram.cc",
     "ext/skia_histogram.h",
     "ext/skia_matrix_44.cc",
     "ext/skia_matrix_44.h",
     "ext/skia_memory_dump_provider.cc",
     "ext/skia_memory_dump_provider.h",
     "ext/skia_trace_memory_dump_impl.cc",
     "ext/skia_trace_memory_dump_impl.h",
     "ext/skia_utils_base.cc",
     "ext/skia_utils_base.h",
   ]
   if (!is_apple) {
     sources += [
       "ext/fontmgr_default.cc",
       "ext/fontmgr_default.h",
     ]
   }
   if (is_android) {
     sources += [ "ext/fontmgr_default_android.cc" ]
   }
   if (is_linux || is_chromeos) {
     sources += [ "ext/fontmgr_default_linux.cc" ]
   }
   if (is_ios) {
     sources += [
       "ext/skia_utils_ios.h",
       "ext/skia_utils_ios.mm",
     ]
   }
   if (is_mac) {
     sources += [
       "ext/skia_utils_mac.h",
       "ext/skia_utils_mac.mm",
     ]
   }
   if (is_win) {
     sources += [
       "ext/fontmgr_default_win.cc",
       "ext/skia_utils_win.cc",
       "ext/skia_utils_win.h",
     ]
   }

   if (!is_ios) {
     sources += [
       "ext/platform_canvas.cc",
       "ext/platform_canvas.h",
     ]
   }
   if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
     sources += [
       "ext/convolver_SSE2.cc",
       "ext/convolver_SSE2.h",
     ]
   } else if (current_cpu == "mipsel" && mips_dsp_rev >= 2) {
     sources += [
       "ext/convolver_mips_dspr2.cc",
       "ext/convolver_mips_dspr2.h",
     ]
   } else if (current_cpu == "arm" || current_cpu == "arm64") {
     if (arm_use_neon) {
       sources += [
         "ext/convolver_neon.cc",
         "ext/convolver_neon.h",
       ]
     }
   }

   if (is_win) {
     sources += [
       # Select the right BitmapPlatformDevice.
       "ext/raster_handle_allocator_win.cc",
     ]
   }

   # The *_public variables should be added to 'public' not 'sources'.
   # However, Skia does not export enough *_public variables to make Chromium
   # 'gn check' clean. Until that can be done add the *_public variables to
   # 'sources' so that the buildbot 'analyze' step is aware of their existence.
   sources += skia_core_public
   sources += skia_utils_public
   sources += skia_effects_public
   sources += skia_effects_imagefilter_public

   # The imported Skia gni source paths are made absolute by gn.
   defines = skia_core_defines
   sources += skia_sksl_sources
   sources += skia_utils_sources
   sources += skia_xps_sources
   sources += [
     "//third_party/skia/src/fonts/SkFontMgr_indirect.cpp",
     "//third_party/skia/src/fonts/SkRemotableFontMgr.cpp",
     "//third_party/skia/src/images/SkImageEncoder.cpp",
     "//third_party/skia/src/images/SkPngEncoder.cpp",
     "//third_party/skia/src/images/SkWebpEncoder.cpp",
     "//third_party/skia/src/ports/SkGlobalInitialization_default.cpp",
     "//third_party/skia/src/ports/SkImageGenerator_none.cpp",
     "//third_party/skia/src/ports/SkOSFile_stdio.cpp",
     "//third_party/skia/src/sfnt/SkOTTable_name.cpp",
     "//third_party/skia/src/sfnt/SkOTUtils.cpp",
   ]
   if (!is_ios) {
     sources -= [ "//third_party/skia/src/ports/SkImageGenerator_none.cpp" ]
     sources += [
       "//third_party/skia/src/codec/SkBmpBaseCodec.cpp",
       "//third_party/skia/src/codec/SkBmpCodec.cpp",
       "//third_party/skia/src/codec/SkBmpMaskCodec.cpp",
       "//third_party/skia/src/codec/SkBmpRLECodec.cpp",
       "//third_party/skia/src/codec/SkBmpStandardCodec.cpp",
       "//third_party/skia/src/codec/SkCodec.cpp",
       "//third_party/skia/src/codec/SkCodecImageGenerator.cpp",
       "//third_party/skia/src/codec/SkColorTable.cpp",
       "//third_party/skia/src/codec/SkEncodedInfo.cpp",
       "//third_party/skia/src/codec/SkIcoCodec.cpp",
       "//third_party/skia/src/codec/SkJpegCodec.cpp",
       "//third_party/skia/src/codec/SkJpegDecoderMgr.cpp",
       "//third_party/skia/src/codec/SkJpegUtility.cpp",
       "//third_party/skia/src/codec/SkMaskSwizzler.cpp",
       "//third_party/skia/src/codec/SkMasks.cpp",
       "//third_party/skia/src/codec/SkParseEncodedOrigin.cpp",
       "//third_party/skia/src/codec/SkPngCodec.cpp",
       "//third_party/skia/src/codec/SkSampler.cpp",
       "//third_party/skia/src/codec/SkStreamBuffer.cpp",
       "//third_party/skia/src/codec/SkSwizzler.cpp",
       "//third_party/skia/src/codec/SkWbmpCodec.cpp",
       "//third_party/skia/src/codec/SkWebpCodec.cpp",
       "//third_party/skia/src/images/SkJPEGWriteUtility.cpp",
       "//third_party/skia/src/images/SkJpegEncoder.cpp",
       "//third_party/skia/src/ports/SkImageGenerator_skia.cpp",
     ]

     if (enable_skia_wuffs_gif) {
       deps += [ "//third_party/wuffs" ]
       sources += [ "//third_party/skia/src/codec/SkWuffsCodec.cpp" ]
     } else {
       sources += rebase_path(libgifcodec_sources + libgifcodec_public,
                              ".",
                              "//third_party/libgifcodec")
     }
   }

   if (current_cpu == "arm") {
     sources += [ "//third_party/skia/src/core/SkUtilsArm.cpp" ]
   }

   # Remove unused util sources.
   sources -= [ "//third_party/skia/src/utils/SkParsePath.cpp" ]

   if (is_win) {
     sources -= [
       # Keeping _win.cpp
       "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
     ]
     libs = [ "fontsub.lib" ]
   } else {
     sources -= [
       # Keeping _pthread.cpp
       "//third_party/skia/src/utils/SkThreadUtils_win.cpp",
     ]
   }

   # need separate win section to handle chromes auto gn filter
   # (build/config/BUILDCONFIG.gn)
   if (is_win) {
     sources -= [
       #windows
       "//third_party/skia/src/utils/win/SkWGL_win.cpp",
     ]
   }

   # Select Skia ports.

   # FreeType is needed everywhere (except on iOS), on Linux and Android as main
   # font backend, on Windows and Mac as fallback backend for Variations.
   if (!is_ios) {
     sources += [
       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
     ]
   }

   if (is_win) {
     sources += [
       "//third_party/skia/src/ports/SkFontHost_win.cpp",
       "//third_party/skia/src/ports/SkFontMgr_win_dw.cpp",
       "//third_party/skia/src/ports/SkOSFile_win.cpp",
       "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp",
       "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp",
       "//third_party/skia/src/ports/SkTLS_win.cpp",
       "//third_party/skia/src/ports/SkTypeface_win_dw.cpp",
     ]
   } else {
     sources += [
       "//third_party/skia/src/ports/SkOSFile_posix.cpp",
       "//third_party/skia/src/ports/SkTLS_pthread.cpp",
     ]
   }

   if (is_apple) {
     sources += [
       "//third_party/skia/include/ports/SkFontMgr_mac_ct.h",
       "//third_party/skia/src/ports/SkFontMgr_mac_ct.cpp",
       "//third_party/skia/src/ports/SkFontMgr_mac_ct_factory.cpp",
       "//third_party/skia/src/ports/SkScalerContext_mac_ct.cpp",
       "//third_party/skia/src/ports/SkScalerContext_mac_ct.h",
       "//third_party/skia/src/ports/SkTypeface_mac_ct.cpp",
       "//third_party/skia/src/ports/SkTypeface_mac_ct.h",
     ]
   }

   if (is_linux || is_chromeos) {
     sources += [
       "//third_party/skia/src/ports/SkFontConfigInterface.cpp",
       "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
       "//third_party/skia/src/ports/SkFontConfigInterface_direct_factory.cpp",
       "//third_party/skia/src/ports/SkFontMgr_FontConfigInterface.cpp",
     ]
   }

   if (is_linux || is_chromeos || is_android) {
     sources += [
       # Retain the files for the SkFontMgr_Android on linux to emulate android
       # fonts. See content/zygote/zygote_main_linux.cc
       # Note that this requires expat.
       "//third_party/skia/src/ports/SkFontMgr_android.cpp",
       "//third_party/skia/src/ports/SkFontMgr_android_parser.cpp",
     ]
   }

   if (is_win || is_mac) {
     sources += [
       # Add the FreeType custom font manager as a fallback backend for variable fonts.
       "//third_party/skia/src/ports/SkFontMgr_custom.cpp",
       "//third_party/skia/src/ports/SkFontMgr_custom_empty.cpp",
     ]
   }

   if (is_fuchsia) {
     sources += [
       "//third_party/skia/src/ports/SkFontMgr_custom.cpp",
       "//third_party/skia/src/ports/SkFontMgr_fuchsia.cpp",
       "ext/fontmgr_default_fuchsia.cc",
     ]
     deps += [
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.fonts",
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.io",
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.sys",
       "//third_party/fuchsia-sdk/sdk/pkg/sys_cpp",
       "//third_party/fuchsia-sdk/sdk/pkg/zx",
       "//third_party/icu:icuuc",
     ]
   }

   if (is_clang && !is_nacl) {
     # Skia won't compile with some of the more strict clang warnings.
     # e.g. it does:
     #  SkASSERT(!"sk_out_of_memory");
     configs -= [ "//build/config/clang:extra_warnings" ]
   }

   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     ":skia_library_config",
     "//build/config/compiler:no_chromium_code",
   ]
   public_configs = [ ":skia_config" ]

   deps += [
     ":skcms",
     ":skia_opts",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//third_party/libpng",
     "//third_party/libwebp",
     "//third_party/libwebp:libwebp_webp",
   ]
   public_deps = [
     ":buildflags",
     ":skia_core_and_effects",
   ]
   if (skia_use_dawn) {
     public_deps += [ "//third_party/dawn/src/dawn:dawncpp_headers" ]
     deps += [
       "//third_party/dawn/src/dawn:dawn_proc",
       "//third_party/dawn/src/dawn:dawncpp",
       "//third_party/dawn/src/dawn_native",
     ]
   }

   if (!is_ios) {
     deps += [
       "//build/config/freetype",
       "//third_party:jpeg",
     ]
   }

   if (is_linux || is_chromeos) {
     deps += [
       "//third_party/expat",
       "//third_party/fontconfig",
       "//third_party/icu:icuuc",
     ]
   }

   if (is_android) {
     deps += [
       "//third_party/android_ndk:cpu_features",
       "//third_party/expat",
     ]
   }

   if (!is_debug) {
     configs -= [ "//build/config/compiler:default_optimization" ]
     configs += [ "//build/config/compiler:optimize_max" ]
   }

   if (is_mac) {
     deps += [ ":skia_metal" ]
     defines += [ "SK_METAL" ]
     frameworks = [
       "AppKit.framework",
       "CoreFoundation.framework",
       "CoreGraphics.framework",
       "CoreText.framework",
       "Metal.framework",
       "Foundation.framework",
     ]
   }
   if (skia_use_dawn) {
     sources += skia_dawn_sources
   }
   if (is_ios) {
     frameworks = [ "ImageIO.framework" ]
   }

   if (is_fuchsia) {
     deps += [ "//third_party/expat" ]
   }

   if (skia_support_gpu) {
     sources += skia_gpu_sources
     sources += skia_null_gpu_sources
     sources += skia_sksl_gpu_sources
     if (skia_use_gl) {
       sources += skia_gl_gpu_sources
     }
     if (enable_vulkan) {
       sources += skia_vk_sources
     }
     deps += [ "//gpu/config:workaround_list" ]
   }

   if (skia_support_pdf) {
     deps += [
       "//third_party:freetype_harfbuzz",
       "//third_party/zlib",
     ]
     sources += skia_pdf_sources
   } else {
     sources += [ "//third_party/skia/src/pdf/SkDocument_PDF_None.cpp" ]
   }

   if (skia_support_skottie) {
     import("//third_party/skia/modules/skottie/skottie.gni")
     import("//third_party/skia/modules/skresources/skresources.gni")
     import("//third_party/skia/modules/sksg/sksg.gni")
     import("//third_party/skia/modules/skshaper/skshaper.gni")
     sources += skia_skottie_sources + skia_skottie_public
     sources += skia_skresources_sources
     sources += skia_sksg_sources
     sources += skia_shaper_primitive_sources
   }
 }

 # Template for things that are logically part of :skia, but need to be split out
 # so custom compile flags can be applied.
 #
 # These are all opted out of check_includes, due to (logically) being part of
 # skia.
 template("skia_source_set") {
   source_set(target_name) {
     forward_variables_from(invoker, "*")

     check_includes = false

     if (!is_debug) {
       configs -= [ "//build/config/compiler:default_optimization" ]
       configs += [ "//build/config/compiler:optimize_max" ]
     }

     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [
       ":skia_config",
       ":skia_library_config",
       "//build/config/compiler:no_chromium_code",
     ]
     public_configs = [ ":skia_config" ]

     # Android, the only user of mismatched sample files (for now), gets a small
     # binary size decrease by using AFDO to optimize for size in these
     # source_sets. However, that also comes at a relatively big performance
     # cost.
     if (using_mismatched_sample_profile) {
       configs -= [ "//build/config/compiler:afdo_optimize_size" ]
     }
     if (is_win) {
       cflags_cc = [
         "/std:c++17",
         "/wd5041",  # out-of-line definition for constexpr static data member is
                     # not needed and is deprecated in C++17
       ]
     } else {
       cflags_cc = [ "-std=c++17" ]
     }
   }
 }

 # Split out for targeted removal of the afdo_optimize_size config on Android.
 skia_source_set("skia_core_and_effects") {
   defines = skia_core_defines
   sources = skia_core_sources
   sources += skia_effects_sources
   sources += skia_effects_imagefilter_sources
   if (skia_support_gpu) {
     deps = [ "//gpu/config:workaround_list" ]
   }
   if (skia_use_dawn) {
     deps += [ "//third_party/dawn/src/dawn:dawncpp_headers" ]
   }

   visibility = [ ":skia" ]
 }

 # Bits that involve special vector-y hardware.
 if (current_cpu == "arm64") {
   skia_source_set("skia_opts_crc32") {
     sources = skia_opts.crc32_sources
     cflags = [ "-march=armv8-a+crc" ]
     visibility = [ ":skia_opts" ]
   }
 }
 if (current_cpu == "x86" || current_cpu == "x64") {
   skia_source_set("skia_opts_sse3") {
     sources = skia_opts.ssse3_sources
     if (!is_win || is_clang) {
       cflags = [ "-mssse3" ]
     }
     if (is_win) {
       defines = [ "SK_CPU_SSE_LEVEL=31" ]
     }
     visibility = [ ":skia_opts" ]
   }
   skia_source_set("skia_opts_sse41") {
     sources = skia_opts.sse41_sources
     if (!is_win || is_clang) {
       cflags = [ "-msse4.1" ]
     }
     if (is_win) {
       defines = [ "SK_CPU_SSE_LEVEL=41" ]
     }
     visibility = [ ":skia_opts" ]
   }
   skia_source_set("skia_opts_sse42") {
     sources = skia_opts.sse42_sources
     if (!is_win || is_clang) {
       cflags = [ "-msse4.2" ]
     }
     if (is_win) {
       defines = [ "SK_CPU_SSE_LEVEL=42" ]
     }
     visibility = [ ":skia_opts" ]
   }
   skia_source_set("skia_opts_avx") {
     sources = skia_opts.avx_sources
     if (!is_win) {
       cflags = [ "-mavx" ]
     }
     if (is_win) {
       cflags = [ "/arch:AVX" ]
     }
     visibility = [ ":skia_opts" ]
   }
   skia_source_set("skia_opts_hsw") {
     sources = skia_opts.hsw_sources
     if (!is_win) {
       cflags = [
         "-mavx2",
         "-mbmi",
         "-mbmi2",
         "-mf16c",
         "-mfma",
       ]
     }
     if (is_win) {
       cflags = [ "/arch:AVX2" ]
     }
     visibility = [ ":skia_opts" ]
   }
   skia_source_set("skia_opts_skx") {
     sources = skia_opts.skx_sources
     if (!is_win) {
       cflags = [ "-march=skylake-avx512" ]
     }
     if (is_win) {
       cflags = [ "/arch:AVX512" ]
     }
     visibility = [ ":skia_opts" ]
   }
 }

 skia_source_set("skia_opts") {
   cflags = []
   defines = []

   deps = [ "//base" ]

   if (current_cpu == "x86" || current_cpu == "x64") {
     sources = skia_opts.sse2_sources
     deps += [
       ":skia_opts_avx",
       ":skia_opts_hsw",
       ":skia_opts_skx",
       ":skia_opts_sse3",
       ":skia_opts_sse41",
       ":skia_opts_sse42",
     ]
   } else if (current_cpu == "arm") {
     # The assembly uses the frame pointer register (r7 in Thumb/r11 in
     # ARM), the compiler doesn't like that.
     if (!is_ios) {
       cflags += [ "-fomit-frame-pointer" ]
     }

     if (arm_version >= 7) {
       sources = skia_opts.armv7_sources
       if (arm_use_neon || arm_optionally_use_neon) {
         sources += skia_opts.neon_sources

         # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
         # when running this.
         if (!arm_use_neon) {
           configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
           cflags += [ "-mfpu=neon" ]
         }
       }
     } else {
       sources = skia_opts.none_sources
     }
   } else if (current_cpu == "arm64") {
     sources = skia_opts.arm64_sources
     deps += [ ":skia_opts_crc32" ]
   } else if (current_cpu == "mipsel") {
     cflags += [ "-fomit-frame-pointer" ]

     if (mips_dsp_rev >= 1) {
       sources = skia_opts.mips_dsp_sources
     } else {
       sources = skia_opts.none_sources
     }
   } else if (current_cpu == "mips64el") {
     cflags += [ "-fomit-frame-pointer" ]
     sources = skia_opts.none_sources
   } else if (current_cpu == "ppc64") {
     sources = skia_opts.none_sources
   } else if (current_cpu == "s390x") {
     sources = skia_opts.none_sources
   } else {
     assert(false, "Need to port cpu specific stuff from skia_library_opts.gyp")
   }

   visibility = [ ":skia" ]
 }

 # Split out metal sources, because they require ARC.
 if (is_mac) {
   skia_source_set("skia_metal") {
     defines = [ "SK_METAL" ]
     sources = skia_metal_sources
     cflags_objcc = [
       "-Wno-unguarded-availability",
       "-fobjc-arc",
     ]
     deps = [ "//gpu/config:workaround_list" ]
     if (skia_use_dawn) {
       deps += [ "//third_party/dawn/src/dawn:dawncpp_headers" ]
     }
   }
 }

 # Font copies.
 if (is_fuchsia) {
   copy("copy_fuchsia_fonts_manifest") {
     sources = [ "ext/data/test_fonts/fuchsia_test_fonts_manifest.json" ]
     outputs = [ "$root_out_dir/test_fonts/{{source_file_part}}" ]
   }
 }
 if (is_apple) {
   bundle_data("test_fonts_bundle_data") {
     public_deps = [ "//third_party/test_fonts" ]

     sources = [
       "$root_out_dir/test_fonts/Ahem.ttf",
       "ext/data/test_fonts/ChromiumAATTest.ttf",
     ]

     outputs = [ "{{bundle_resources_dir}}/{{source_file_part}}" ]
   }
 }

 group("test_fonts_resources") {
   deps = []
   data_deps = []

   if (is_apple) {
     deps += [ ":test_fonts_bundle_data" ]
     data_deps += [ ":test_fonts_bundle_data" ]
   } else {
     deps += [ "//third_party/test_fonts" ]
     data_deps += [ "//third_party/test_fonts" ]
   }

   if (is_fuchsia) {
     deps += [ ":copy_fuchsia_fonts_manifest" ]
     data_deps += [ ":copy_fuchsia_fonts_manifest" ]
   }
 }

 source_set("test_fonts") {
   testonly = true

   sources = [ "ext/test_fonts.h" ]
   deps = [
     ":test_fonts_resources",
     "//base/test:test_support",
     "//skia",
   ]

   if (is_fuchsia) {
     sources += [
       "ext/test_fonts_fuchsia.cc",
       "ext/test_fonts_fuchsia.h",
     ]
     deps += [
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.fonts",
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.io",
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.sys",
       "//third_party/fuchsia-sdk/sdk/pkg/sys_cpp",
     ]
   }
   if (is_mac) {
     sources += [ "ext/test_fonts_mac.mm" ]
   }
 }

 test("skia_unittests") {
   sources = [
     "ext/convolver_unittest.cc",
     "ext/image_operations_unittest.cc",
     "ext/platform_canvas_unittest.cc",
     "ext/recursive_gaussian_convolution_unittest.cc",
     "ext/skia_memory_dump_provider_unittest.cc",
     "ext/skia_utils_base_unittest.cc",
   ]
   if (is_ios) {
     sources += [ "ext/skia_utils_ios_unittest.mm" ]
   }
   if (is_mac) {
     sources += [ "ext/skia_utils_mac_unittest.mm" ]
   }

   if (!is_win) {
     sources -= [ "ext/platform_canvas_unittest.cc" ]
   }

   deps = [
     ":skia",
     ":test_fonts",
     "//base",
     "//base/test:test_support",
     "//mojo/core/test:run_all_unittests",
     "//testing/gtest",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]

   if (!is_ios) {
     sources += [ "public/mojom/test/mojom_traits_unittest.cc" ]
     deps += [
       "//mojo/public/cpp/bindings",
       "//mojo/public/cpp/test_support:test_utils",
       "//skia/public/mojom",
     ]
   }

   if (is_fuchsia) {
     sources += [ "ext/fontmgr_fuchsia_unittest.cc" ]
     deps += [
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.fonts",
       "//third_party/test_fonts",
     ]
     data_deps = [ "//third_party/test_fonts" ]
   }

   if (skia_support_skottie) {
     sources += [ "ext/skottie_unittest.cc" ]
   }
 }

 if (!is_ios) {
   executable("image_operations_bench") {
     sources = [ "ext/image_operations_bench.cc" ]

     deps = [
       ":skia",
       "//base",
       "//build/win:default_exe_manifest",
     ]
   }

   executable("filter_fuzz_stub") {
     testonly = true
     sources = [ "tools/filter_fuzz_stub/filter_fuzz_stub.cc" ]

     deps = [
       ":skia",
       "//base",
       "//base/test:test_support",
       "//build/win:default_exe_manifest",
     ]
   }
 }

 group("fuzzers") {
   deps = [ "//skia/tools/fuzzers" ]
 }

 grit("skia_resources") {
   source = "skia_resources.grd"

   outputs = [
     "grit/skia_resources.h",
     "grit/skia_resources_map.cc",
     "grit/skia_resources_map.h",
     "skia_resources.pak",
   ]

   deps = [
     "//skia/public/mojom:mojom_js",
     "//skia/public/mojom:mojom_webui_js",
   ]
 }