| # Copyright 2013 The PDFium Authors |
| # 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/freetype/freetype.gni") |
| import("//build/config/ui.gni") |
| import("//testing/test.gni") |
| import("//third_party/skia/gn/codec.gni") |
| import("//third_party/skia/gn/shared_sources.gni") |
| import("//third_party/skia/modules/skcms/skcms.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_use_ganesh_backend = !is_ios |
| skia_support_pdf = false |
| |
| # External-facing config for dependent code. |
| config("skia_config") { |
| include_dirs = [ "//third_party/skia" ] |
| |
| defines = [ |
| "SK_ENCODE_PNG", |
| "SK_USER_CONFIG_HEADER=\"../../skia/config/SkPdfiumUserConfig.h\"", |
| "SK_DISABLE_LEGACY_SKSURFACE_METHODS", |
| "SK_DISABLE_LEGACY_GRAPHITE_IMAGE_FACTORIES", |
| "SK_DISABLE_LEGACY_GRAPHITE_IMAGE_METHODS", |
| "SK_DISABLE_LEGACY_SKSURFACE_FACTORIES", |
| "SK_DISABLE_LEGACY_SKSURFACE_FLUSH", |
| "SK_DISABLE_LEGACY_SKSURFACE_AS_IMAGE", |
| "SK_DISABLE_LEGACY_SKSURFACE_DISPLAYLIST", |
| "SK_DISABLE_LEGACY_IMAGE_SUBSET_METHODS", |
| "SK_DISABLE_LEGACY_IMAGE_COLORSPACE_METHODS", |
| "SK_DISABLE_LEGACY_IMAGE_RELEASE_PROCS", |
| "SK_DISABLE_LEGACY_GL_BACKEND_SURFACE", |
| "SK_DISABLE_LEGACY_INIT_DECODERS", |
| "SK_DISABLE_LEGACY_GRDIRECTCONTEXT_FLUSH", |
| "SK_DISABLE_LEGACY_GRDIRECTCONTEXT_BOOLS", |
| "SK_DISABLE_LEGACY_GL_GRDIRECTCONTEXT_FACTORIES", |
| "SK_DISABLE_LEGACY_PNG_WRITEBUFFER", |
| "SK_SLUG_DISABLE_LEGACY_DESERIALIZE", |
| "SK_DISABLE_LEGACY_VK_GRDIRECTCONTEXT_FACTORIES", |
| ] |
| |
| if (is_win) { |
| defines += [ "SK_FREETYPE_MINIMUM_RUNTIME_VERSION=(((FREETYPE_MAJOR) * 0x01000000) | ((FREETYPE_MINOR) * 0x00010000) | ((FREETYPE_PATCH) * 0x00000100))" ] |
| } |
| |
| if (is_component_build) { |
| defines += [ |
| "SKIA_DLL", |
| "GR_GL_IGNORE_ES3_MSAA=0", |
| ] |
| } |
| |
| if (skia_use_ganesh_backend) { |
| defines += [ "SK_GANESH" ] |
| } |
| |
| if (skia_use_gl) { |
| defines += [ "SK_GL" ] |
| } |
| |
| 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" ] |
| } |
| } |
| |
| # Internal-facing config for Skia library code. |
| config("skia_library_config") { |
| # Turn on SK_API to export Skia's public API |
| defines = [ |
| "IS_SKIA_IMPL=1", |
| "SKIA_IMPLEMENTATION=1", |
| ] |
| |
| if (use_blink && !use_system_freetype) { |
| defines += [ "SK_FREETYPE_MINIMUM_RUNTIME_VERSION=(((FREETYPE_MAJOR) * 0x01000000) | ((FREETYPE_MINOR) * 0x00010000) | ((FREETYPE_PATCH) * 0x00000100))" ] |
| } |
| if (use_blink) { |
| defines += [ "SK_TYPEFACE_FACTORY_FREETYPE" ] |
| } |
| if (is_win) { |
| defines += [ "SK_TYPEFACE_FACTORY_DIRECTWRITE" ] |
| } |
| if (is_apple) { |
| defines += [ "SK_TYPEFACE_FACTORY_CORETEXT" ] |
| } |
| |
| 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)' |
| "/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 |
| ] |
| } |
| } |
| |
| component("skia") { |
| deps = [] |
| |
| sources = [ |
| # PDFium sources. |
| "config/SkPdfiumUserConfig.h", |
| "ext/google_logging.cc", |
| ] |
| |
| # The skia sources values are relative to the skia_dir, so we need to rebase. |
| sources += skia_core_public |
| sources += skia_sksl_gpu_sources |
| sources += skia_sksl_sources |
| sources += skia_utils_private |
| sources += skia_xps_sources |
| sources += skia_codec_core |
| sources += skia_codec_decode_bmp |
| sources += skia_encode_srcs |
| sources += skia_encode_png_srcs |
| sources += [ |
| "//third_party/skia/src/fonts/SkFontMgr_indirect.cpp", |
| "//third_party/skia/src/fonts/SkRemotableFontMgr.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", |
| |
| #pdfium |
| "//third_party/skia/src/ports/SkDiscardableMemory_none.cpp", |
| "//third_party/skia/src/ports/SkMemory_malloc.cpp", |
| ] |
| |
| # This and skia_opts are really the same conceptual target so share headers. |
| allow_circular_includes_from = [ ":skia_opts" ] |
| |
| # GPU |
| if (skia_use_ganesh_backend) { |
| sources += skia_gpu_public |
| sources += skia_ganesh_private |
| sources += skia_null_gpu_sources |
| sources += skia_shared_gpu_sources |
| if (skia_use_gl) { |
| sources += skia_gpu_gl_public |
| sources += skia_gpu_gl_private |
| } |
| } |
| |
| # Remove unused util files include in utils.gni |
| sources -= [ |
| "//third_party/skia/src/utils/SkCamera.cpp", |
| "//third_party/skia/src/utils/SkParsePath.cpp", |
| ] |
| |
| if (is_win) { |
| libs = [ "fontsub.lib" ] |
| } |
| |
| # 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) { |
| # See SK_TYPEFACE_FACTORY_DIRECTWRITE |
| sources += [ |
| "//third_party/skia/src/ports/SkFontMgr_win_dw.cpp", |
| "//third_party/skia/src/ports/SkFontMgr_win_dw_factory.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/SkTypeface_win_dw.cpp", |
| ] |
| } else { |
| sources += [ "//third_party/skia/src/ports/SkOSFile_posix.cpp" ] |
| } |
| |
| frameworks = [] |
| if (is_apple) { |
| # See SK_TYPEFACE_FACTORY_CORETEXT |
| 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", |
| ] |
| frameworks += [ |
| "CoreFoundation.framework", |
| "CoreGraphics.framework", |
| "CoreText.framework", |
| ] |
| } |
| |
| 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", |
| "//third_party/skia/src/ports/SkFontMgr_custom.cpp", |
| "//third_party/skia/src/ports/SkFontMgr_custom_empty.cpp", |
| "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp", |
| ] |
| } |
| |
| if (is_android) { |
| sources += [ |
| # Unlike Chromium, standalone PDFium on Linux and Chrome OS does not |
| # require these files, since PDFium does not perform Android emulation. |
| # Note that this requires expat. |
| "//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_fuchsia) { |
| sources += [ |
| # TODO(crbug.com/pdfium/2019): Consider using SkFontMgr_fuchsia.cpp |
| # instead of SkFontMgr_custom_empty.cpp. |
| "//third_party/skia/src/ports/SkFontMgr_custom.cpp", |
| "//third_party/skia/src/ports/SkFontMgr_custom_empty.cpp", |
| "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp", |
| ] |
| deps += [ |
| "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.fonts:fuchsia.fonts_hlcpp", |
| "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.io:fuchsia.io_hlcpp", |
| "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.sys:fuchsia.sys_hlcpp", |
| "//third_party/fuchsia-sdk/sdk/pkg/sys_cpp", |
| "//third_party/fuchsia-sdk/sdk/pkg/zx", |
| "//third_party/icu:icuuc", |
| ] |
| } |
| |
| if (is_win || (is_apple && use_blink)) { |
| 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_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", |
| "../third_party:png", |
| "../third_party:zlib", |
| "//:freetype_common", |
| ] |
| public_deps = [ ":skia_core_and_effects" ] |
| |
| if (is_linux || is_chromeos) { |
| deps += [ |
| "//third_party:fontconfig", |
| "//third_party/icu:icuuc", |
| ] |
| } |
| |
| if (is_android) { |
| deps += [ |
| "//third_party/cpu_features:ndk_compat", |
| "//third_party/expat", |
| ] |
| } |
| |
| if (is_android && !is_debug) { |
| configs -= [ "//build/config/compiler:default_optimization" ] |
| configs += [ "//build/config/compiler:optimize_max" ] |
| } |
| |
| if (is_ios) { |
| frameworks += [ "ImageIO.framework" ] |
| } |
| |
| if (skia_support_pdf) { |
| deps += [ "//third_party/sfntly" ] |
| sources += skia_pdf_sources |
| } else { |
| sources += [ "//third_party/skia/src/pdf/SkDocument_PDF_None.cpp" ] |
| } |
| } |
| |
| # 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" ] |
| |
| if (is_win) { |
| cflags_cc = [ |
| "/wd5041", # out-of-line definition for constexpr static data member is |
| # not needed and is deprecated in C++17 |
| ] |
| } |
| } |
| } |
| |
| skia_source_set("skia_core_and_effects") { |
| defines = [] |
| sources = skia_core_sources |
| sources += skia_effects_sources |
| sources += skia_colorfilters_sources |
| sources += skia_effects_imagefilter_sources |
| |
| visibility = [ ":skia" ] |
| } |
| |
| # Bits that involve special vector-y hardware. |
| if (current_cpu == "x86" || current_cpu == "x64") { |
| 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") { |
| cflags = [] |
| defines = [] |
| |
| if (current_cpu == "x86" || current_cpu == "x64") { |
| deps = [ ":skia_opts_hsw" ] |
| } 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) { |
| if (arm_use_neon || arm_optionally_use_neon) { |
| # 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 if (current_cpu == "arm64") { |
| # Conditional and empty body needed to avoid assert below |
| } else if (current_cpu == "mipsel" || current_cpu == "mips64el") { |
| cflags += [ "-fomit-frame-pointer" ] |
| } else { |
| assert(false, "Unsupported target CPU " + current_cpu) |
| } |
| |
| if (is_android && !is_debug) { |
| configs -= [ "//build/config/compiler:default_optimization" ] |
| configs += [ "//build/config/compiler:optimize_max" ] |
| } |
| |
| visibility = [ ":skia" ] |
| } |
| |
| if (current_cpu == "x64") { |
| skia_source_set("skcms_TransformHsw") { |
| sources = skcms_TransformHsw |
| if (!is_win) { |
| cflags = [ |
| "-w", |
| "-march=haswell", |
| "-std=c11", |
| ] |
| } else { |
| cflags = [ "/arch:AVX2" ] |
| } |
| visibility = [ ":skcms" ] |
| } |
| skia_source_set("skcms_TransformSkx") { |
| sources = skcms_TransformSkx |
| if (!is_win) { |
| cflags = [ |
| "-w", |
| "-march=skylake-avx512", |
| "-std=c11", |
| ] |
| } else { |
| cflags = [ "/arch:AVX512" ] |
| } |
| visibility = [ ":skcms" ] |
| } |
| } else { |
| skia_source_set("skcms_TransformHsw") { |
| sources = [] |
| visibility = [ ":skcms" ] |
| } |
| skia_source_set("skcms_TransformSkx") { |
| sources = [] |
| visibility = [ ":skcms" ] |
| } |
| } |
| |
| source_set("skcms_TransformBaseline_and_public") { |
| if (!is_win || is_clang) { |
| cflags = [ |
| "-w", |
| "-std=c11", |
| ] |
| } else { |
| cflags = [] |
| } |
| |
| # 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" ] |
| } |
| |
| sources = rebase_path(skcms_TransformBaseline + skcms_public, |
| ".", |
| "//third_party/skia/modules/skcms") |
| } |
| |
| source_set("skcms") { |
| deps = [ |
| ":skcms_TransformBaseline_and_public", |
| ":skcms_TransformHsw", |
| ":skcms_TransformSkx", |
| ] |
| public = |
| rebase_path(skcms_public_headers, ".", "//third_party/skia/modules/skcms") |
| include_dirs = [ "//third_party/skia/modules/skcms" ] |
| } |