blob: 2020788040448fbc0333ca74bf6f4846dfa28d81 [file] [log] [blame]
# 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/config/features.gni")
import("//build/config/ui.gni")
import("//testing/test.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 || enable_print_preview)
# When building Chrome for iOS with GYP, the target cpu is not known during
# the invocation of gyp. This cause the iOS build to use non-optimised skia.
# Replicate this with GN to avoid introducing regression as recommended by
# the OWNERS of skia.
declare_args() {
skia_whitelist_serialized_typefaces = false
# TODO(crbug.com/607933): Once GYP is no longer supported, port iOS to use
# optimised skia.
skia_build_no_opts = is_ios
}
# The list of Skia defines that are to be set for chromium.
gypi_chromium_skia_defines =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//skia/chromium_skia_defines.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//skia/chromium_skia_defines.gypi" ])
# The list of Skia defines that are to be set for chromium.
gypi_skia_defines =
exec_script("//build/gypi_to_gn.py",
[
rebase_path(
"//third_party/skia/gyp/skia_for_chromium_defines.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/skia_for_chromium_defines.gypi" ])
# The list of Skia core sources that are to be set for chromium.
gypi_skia_core =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//third_party/skia/gyp/core.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/core.gypi" ])
# The list of Skia gpu sources that are to be set for chromium.
if (skia_support_gpu) {
gypi_skia_gpu =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//third_party/skia/gyp/gpu.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/gpu.gypi" ])
}
# The list of Skia pdf sources that are to be set for chromium.
if (skia_support_pdf) {
gypi_skia_pdf =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//third_party/skia/gyp/pdf.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/pdf.gypi" ])
}
# The list of Skia effects that are to be set for chromium.
gypi_skia_effects =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//third_party/skia/gyp/effects.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/effects.gypi" ])
# The list of Skia utils that are to be set for chromium.
gypi_skia_utils =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//third_party/skia/gyp/utils.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/utils.gypi" ])
gypi_skia_opts =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("//third_party/skia/gyp/opts.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "//third_party/skia/gyp/opts.gypi" ])
# The list of Skia files is kept in skia_gn_files.gypi. Read it.
gypi_values =
exec_script("//build/gypi_to_gn.py",
[
rebase_path("skia_gn_files.gypi"),
"--replace=<(skia_include_path)=//third_party/skia/include",
"--replace=<(skia_src_path)=//third_party/skia/src",
],
"scope",
[ "skia_gn_files.gypi" ])
# External-facing config for dependent code.
config("skia_config") {
include_dirs = [
"config",
"ext",
"//third_party/skia/include/c",
"//third_party/skia/include/config",
"//third_party/skia/include/core",
"//third_party/skia/include/effects",
"//third_party/skia/include/images",
"//third_party/skia/include/lazy",
"//third_party/skia/include/pathops",
"//third_party/skia/include/pdf",
"//third_party/skia/include/pipe",
"//third_party/skia/include/ports",
"//third_party/skia/include/utils",
]
defines = gypi_chromium_skia_defines.chromium_skia_defines
defines += gypi_skia_defines.skia_for_chromium_defines
defines += []
if (skia_build_no_opts) {
defines += [ "SK_BUILD_NO_OPTS" ]
}
if (is_component_build) {
defines += [
"SKIA_DLL",
"GR_GL_IGNORE_ES3_MSAA=0",
]
}
if (skia_support_gpu) {
include_dirs += [
"//third_party/skia/include/gpu",
"//third_party/skia/src/gpu",
]
defines += [ "SK_SUPPORT_GPU=1" ]
} 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" ]
}
if (is_win) {
defines += [ "GR_GL_FUNCTION_TYPE=__stdcall" ]
}
if (skia_whitelist_serialized_typefaces) {
defines += [ "SK_WHITELIST_SERIALIZED_TYPEFACES" ]
}
}
# Internal-facing config for Skia library code.
config("skia_library_config") {
# These include directories are only included for Skia code and are not
# exported to dependents. It's not clear if this is on purpose, but this
# matches the GYP build.
include_dirs = [
"//third_party/skia/include/private",
"//third_party/skia/include/client/android",
"//third_party/skia/src/core",
"//third_party/skia/src/image",
"//third_party/skia/src/opts",
"//third_party/skia/src/pdf",
"//third_party/skia/src/ports",
"//third_party/skia/src/sfnt",
"//third_party/skia/src/utils",
"//third_party/skia/src/lazy",
]
if (is_mac || is_ios) {
include_dirs += [ "//third_party/skia/include/utils/mac" ]
}
if (is_mac) {
include_dirs += [ "//third_party/skia/include/utils/ios" ]
}
defines = []
if (is_component_build) {
defines += [ "SKIA_IMPLEMENTATION=1" ]
}
if (current_cpu == "arm" && !skia_build_no_opts) {
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) {
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) {
include_dirs += [
"//third_party/skia/include/utils/win",
"//third_party/skia/src/utils/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).
]
}
}
component("skia") {
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/SkMemory_new_handler.cpp",
"ext/analysis_canvas.cc",
"ext/benchmarking_canvas.cc",
"ext/convolver.cc",
"ext/event_tracer_impl.cc",
"ext/fontmgr_default_win.cc",
"ext/google_logging.cc",
"ext/image_operations.cc",
"ext/opacity_filter_canvas.cc",
"ext/platform_device.cc",
"ext/platform_device_linux.cc",
"ext/platform_device_mac.cc",
"ext/platform_device_win.cc",
"ext/recursive_gaussian_convolution.cc",
"ext/skia_histogram.cc",
"ext/skia_memory_dump_provider.cc",
"ext/skia_trace_memory_dump_impl.cc",
"ext/skia_utils_base.cc",
"ext/skia_utils_ios.mm",
"ext/skia_utils_mac.mm",
"ext/skia_utils_win.cc",
]
if (!is_ios) {
sources += [ "ext/platform_canvas.cc" ]
}
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
sources += [ "ext/convolver_SSE2.cc" ]
} else if (current_cpu == "mipsel" && mips_dsp_rev >= 2) {
sources += [ "ext/convolver_mips_dspr2.cc" ]
}
# The skia gypi values are relative to the skia_dir, so we need to rebase.
sources += gypi_skia_core.sources
sources += gypi_skia_effects.sources
sources += gypi_skia_utils.sources
sources += gypi_values.skia_library_sources
# This and skia_opts are really the same conceptual target so share headers.
allow_circular_includes_from = [ ":skia_opts" ]
if (current_cpu == "arm") {
sources += [ "//third_party/skia/src/core/SkUtilsArm.cpp" ]
}
# GPU
if (skia_support_gpu) {
sources += gypi_skia_gpu.skgpu_sources
sources += gypi_skia_gpu.skgpu_null_gl_sources
}
# Remove unused util files include in utils.gypi
sources -= [
"//third_party/skia/src/utils/SkBoundaryPatch.cpp",
"//third_party/skia/src/utils/SkCamera.cpp",
"//third_party/skia/src/utils/SkDumpCanvas.cpp",
"//third_party/skia/src/utils/SkFrontBufferedStream.cpp",
"//third_party/skia/src/utils/SkInterpolator.cpp",
"//third_party/skia/src/utils/SkLayer.cpp",
"//third_party/skia/src/utils/SkMeshUtils.cpp",
"//third_party/skia/src/utils/SkNinePatch.cpp",
"//third_party/skia/src/utils/SkOSFile.cpp",
"//third_party/skia/src/utils/SkParsePath.cpp",
#testing
"//third_party/skia/src/fonts/SkGScalerContext.cpp",
]
if (is_win) {
sources -= [
# Keeping _win.cpp
"//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
]
} 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/SkAutoCoInitialize.cpp",
"//third_party/skia/src/utils/win/SkIStream.cpp",
"//third_party/skia/src/utils/win/SkWGL_win.cpp",
]
}
if (is_android && (!enable_basic_printing && !enable_print_preview)) {
sources -= [ "ext/skia_utils_base.cc" ]
}
# Fixup skia library sources.
if (is_win) {
sources -= [
"//third_party/skia/src/ports/SkOSFile_posix.cpp",
"//third_party/skia/src/ports/SkTLS_pthread.cpp",
]
} else {
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",
]
}
if (!is_android) {
sources -= [
"//third_party/skia/src/ports/SkFontMgr_android.cpp",
"//third_party/skia/src/ports/SkFontMgr_android_factory.cpp",
"//third_party/skia/src/ports/SkFontMgr_android_parser.cpp",
]
}
if (!is_mac) {
sources -= [ "//third_party/skia/src/ports/SkFontHost_mac.cpp" ]
}
if (!is_linux) {
sources -= [
"//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
"//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
"//third_party/skia/src/ports/SkFontConfigInterface_direct_factory.cpp",
"//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
]
}
# Add the files for the SkFontMgr_Android. This is used to emulate android
# fonts on linux. See content/zygote/zygote_main_linux.cc
if (is_linux) {
sources += [
"//third_party/skia/src/ports/SkFontMgr_android.cpp",
"//third_party/skia/src/ports/SkFontMgr_android_parser.cpp",
]
}
if (!is_linux && !is_android) {
sources -= [
"//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
"//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
]
}
# Select the right BitmapPlatformDevice.
if (is_win) {
sources += [ "ext/bitmap_platform_device_win.cc" ]
} else if (is_mac) {
sources += [ "ext/bitmap_platform_device_mac.cc" ]
} else if (use_cairo) {
sources += [ "ext/bitmap_platform_device_cairo.cc" ]
} else if (!is_ios) {
sources += [ "ext/bitmap_platform_device_skia.cc" ]
}
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 = [
":skia_opts",
"//base",
"//base/third_party/dynamic_annotations",
"//third_party/zlib",
]
if (is_linux) {
if (use_pango) {
configs += [ "//build/config/linux/pangocairo" ]
}
deps += [
"//build/linux:fontconfig",
"//build/linux:freetype2",
"//third_party/expat",
"//third_party/icu:icuuc",
]
}
if (is_android) {
set_sources_assignment_filter([])
sources += [ "ext/platform_device_linux.cc" ]
set_sources_assignment_filter(sources_assignment_filter)
deps += [
"//third_party/android_tools:cpu_features",
"//third_party/expat",
"//third_party/freetype-android:freetype",
]
}
if (skia_support_pdf) {
deps += [ "//third_party/sfntly" ]
sources += gypi_skia_pdf.sources
} else {
sources += [ "//third_party/skia/src/pdf/SkDocument_PDF_None.cpp" ]
}
if (is_android && !is_debug) {
configs -= [ "//build/config/compiler:default_optimization" ]
configs += [ "//build/config/compiler:optimize_max" ]
}
if (is_mac) {
libs = [
"AppKit.framework",
"CoreFoundation.framework",
"CoreGraphics.framework",
"CoreText.framework",
"Foundation.framework",
]
}
if (is_ios) {
libs = [ "ImageIO.framework" ]
set_sources_assignment_filter([])
sources += [
"//third_party/skia/src/ports/SkFontHost_mac.cpp",
"//third_party/skia/src/utils/mac/SkCreateCGImageRef.cpp",
"//third_party/skia/src/utils/mac/SkStream_mac.cpp",
]
set_sources_assignment_filter(sources_assignment_filter)
# To disable warning "CGContextSelectFont' is deprecated"
cflags = [ "-Wno-deprecated-declarations" ]
}
}
# Separated out so it can be compiled with different flags for SSE.
if (!skia_build_no_opts) {
if (current_cpu == "x86" || current_cpu == "x64") {
source_set("skia_opts_sse3") {
sources = gypi_skia_opts.ssse3_sources
if (!is_win || is_clang) {
cflags = [ "-mssse3" ]
}
if (is_win) {
defines = [ "SK_CPU_SSE_LEVEL=31" ]
}
visibility = [ ":skia_opts" ]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
":skia_config",
":skia_library_config",
"//build/config/compiler:no_chromium_code",
]
}
source_set("skia_opts_sse41") {
sources = gypi_skia_opts.sse41_sources
if (!is_win || is_clang) {
cflags = [ "-msse4.1" ]
}
if (is_win) {
defines = [ "SK_CPU_SSE_LEVEL=41" ]
}
visibility = [ ":skia_opts" ]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
":skia_config",
":skia_library_config",
"//build/config/compiler:no_chromium_code",
]
}
source_set("skia_opts_sse42") {
sources = gypi_skia_opts.sse42_sources
if (!is_win || is_clang) {
cflags = [ "-msse4.2" ]
}
if (is_win) {
defines = [ "SK_CPU_SSE_LEVEL=42" ]
}
visibility = [ ":skia_opts" ]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
":skia_config",
":skia_library_config",
"//build/config/compiler:no_chromium_code",
]
}
source_set("skia_opts_avx") {
sources = gypi_skia_opts.avx_sources
if (!is_win) {
cflags = [ "-mavx" ]
}
if (is_win) {
cflags = [ "/arch:AVX" ]
}
visibility = [ ":skia_opts" ]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
":skia_config",
":skia_library_config",
"//build/config/compiler:no_chromium_code",
]
}
source_set("skia_opts_avx2") {
sources = gypi_skia_opts.avx2_sources
if (!is_win) {
cflags = [ "-mavx2" ]
}
if (is_win) {
cflags = [ "/arch:AVX2" ]
}
visibility = [ ":skia_opts" ]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
":skia_config",
":skia_library_config",
"//build/config/compiler:no_chromium_code",
]
}
}
}
source_set("skia_opts") {
cflags = []
defines = []
deps = [
"//base",
]
if (skia_build_no_opts) {
sources = gypi_skia_opts.none_sources
} else if (current_cpu == "x86" || current_cpu == "x64") {
sources = gypi_skia_opts.sse2_sources
deps += [
":skia_opts_avx",
":skia_opts_avx2",
":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.
cflags += [ "-fomit-frame-pointer" ]
if (arm_version >= 7) {
sources = gypi_skia_opts.armv7_sources
if (arm_use_neon || arm_optionally_use_neon) {
sources += gypi_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 = gypi_skia_opts.none_sources
}
} else if (current_cpu == "arm64") {
sources = gypi_skia_opts.arm64_sources
} else if (current_cpu == "mipsel") {
cflags += [ "-fomit-frame-pointer" ]
if (mips_dsp_rev >= 1) {
sources = gypi_skia_opts.mips_dsp_sources
} else {
sources = gypi_skia_opts.none_sources
}
} else if (current_cpu == "mips64el") {
cflags += [ "-fomit-frame-pointer" ]
sources = gypi_skia_opts.none_sources
} else {
assert(false, "Need to port cpu specific stuff from skia_library_opts.gyp")
}
if (is_android && !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",
]
visibility = [ ":skia" ]
}
test("skia_unittests") {
sources = [
"ext/analysis_canvas_unittest.cc",
"ext/bitmap_platform_device_mac_unittest.cc",
"ext/convolver_unittest.cc",
"ext/image_operations_unittest.cc",
"ext/platform_canvas_unittest.cc",
"ext/recursive_gaussian_convolution_unittest.cc",
"ext/refptr_unittest.cc",
"ext/skia_memory_dump_provider_unittest.cc",
"ext/skia_utils_ios_unittest.mm",
"ext/skia_utils_mac_unittest.mm",
]
if (!is_win && !is_mac) {
sources -= [ "ext/platform_canvas_unittest.cc" ]
}
deps = [
":skia",
"//base",
"//base/test:run_all_unittests",
"//testing/gtest",
"//ui/gfx",
"//ui/gfx/geometry",
]
if (!is_ios) {
deps += [ "//cc:test_support" ] # TODO: Fix this test to not depend on cc.
}
}
if (!is_ios) {
executable("image_operations_bench") {
sources = [
"ext/image_operations_bench.cc",
]
deps = [
":skia",
"//base",
"//build/config/sanitizers:deps",
"//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/config/sanitizers:deps",
"//build/win:default_exe_manifest",
]
}
}