1 # Copyright 2013 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # This gypi file handles the removal of platform-specific files from the 6 # Skia build. 7 { 8 'includes': [ 9 # skia_for_chromium_defines.gypi defines skia_for_chromium_defines 10 '../third_party/skia/gyp/skia_for_chromium_defines.gypi', 11 ], 12 13 'include_dirs': [ 14 '..', 15 'config', 16 ], 17 18 'conditions': [ 19 [ 'OS != "android"', { 20 'sources/': [ 21 ['exclude', '_android\\.(cc|cpp)$'], 22 ], 23 }], 24 [ 'OS != "ios"', { 25 'sources/': [ 26 ['exclude', '_ios\\.(cc|cpp|mm?)$'], 27 ], 28 }], 29 [ 'OS == "ios"', { 30 'defines': [ 31 'SK_BUILD_FOR_IOS', 32 ], 33 }], 34 [ 'OS != "mac"', { 35 'sources/': [ 36 ['exclude', '_mac\\.(cc|cpp|mm?)$'], 37 ], 38 }], 39 [ 'OS == "mac"', { 40 'defines': [ 41 'SK_BUILD_FOR_MAC', 42 ], 43 }], 44 [ 'OS != "win"', { 45 'sources/': [ ['exclude', '_win\\.(cc|cpp)$'] ], 46 }], 47 [ 'OS == "win"', { 48 'defines': [ 49 # On windows, GDI handles are a scarse system-wide resource so we have to keep 50 # the glyph cache, which holds up to 4 GDI handles per entry, to a fairly small 51 # size. 52 # http://crbug.com/314387 53 'SK_DEFAULT_FONT_CACHE_COUNT_LIMIT=256', 54 ], 55 }], 56 [ 'desktop_linux == 0 and chromeos == 0', { 57 'sources/': [ ['exclude', '_linux\\.(cc|cpp)$'] ], 58 }], 59 [ 'use_cairo == 0', { 60 'sources/': [ ['exclude', '_cairo\\.(cc|cpp)$'] ], 61 }], 62 63 #Settings for text blitting, chosen to approximate the system browser. 64 [ 'OS == "linux"', { 65 'defines': [ 66 'SK_GAMMA_EXPONENT=1.2', 67 'SK_GAMMA_CONTRAST=0.2', 68 'SK_HIGH_QUALITY_IS_LANCZOS', 69 ], 70 }], 71 ['OS == "android"', { 72 'defines': [ 73 'SK_GAMMA_APPLY_TO_A8', 74 'SK_GAMMA_EXPONENT=1.4', 75 'SK_GAMMA_CONTRAST=0.0', 76 ], 77 }], 78 ['OS == "win"', { 79 'defines': [ 80 'SK_GAMMA_SRGB', 81 'SK_GAMMA_CONTRAST=0.5', 82 'SK_HIGH_QUALITY_IS_LANCZOS', 83 ], 84 }], 85 ['OS == "mac"', { 86 'defines': [ 87 'SK_GAMMA_SRGB', 88 'SK_GAMMA_CONTRAST=0.0', 89 'SK_HIGH_QUALITY_IS_LANCZOS', 90 ], 91 }], 92 93 # For POSIX platforms, prefer the Mutex implementation provided by Skia 94 # since it does not generate static initializers. 95 [ 'os_posix == 1', { 96 'defines+': [ 97 'SK_USE_POSIX_THREADS', 98 ], 99 'direct_dependent_settings': { 100 'defines': [ 101 'SK_USE_POSIX_THREADS', 102 ], 103 }, 104 }], 105 106 # Neon support. 107 [ 'target_arch == "arm" and arm_version >= 7 and arm_neon == 1', { 108 'defines': [ 109 'SK_ARM_HAS_NEON', 110 ], 111 }], 112 [ 'target_arch == "arm" and arm_version >= 7 and arm_neon_optional == 1', { 113 'defines': [ 114 'SK_ARM_HAS_OPTIONAL_NEON', 115 ], 116 }], 117 118 # Enable feedback-directed optimisation for skia when building in android. 119 [ 'android_webview_build == 1', { 120 'aosp_build_settings': { 121 'LOCAL_FDO_SUPPORT': 'true', 122 }, 123 }], 124 ], 125 126 'variables': { 127 'variables': { 128 'conditions': [ 129 ['OS== "ios"', { 130 'skia_support_gpu': 0, 131 }, { 132 'skia_support_gpu': 1, 133 }], 134 ['OS=="ios" or enable_printing == 0', { 135 'skia_support_pdf': 0, 136 }, { 137 'skia_support_pdf': 1, 138 }], 139 ], 140 }, 141 'skia_support_gpu': '<(skia_support_gpu)', 142 'skia_support_pdf': '<(skia_support_pdf)', 143 144 # These two set the paths so we can include skia/gyp/core.gypi 145 'skia_src_path': '../third_party/skia/src', 146 'skia_include_path': '../third_party/skia/include', 147 148 # This list will contain all defines that also need to be exported to 149 # dependent components. 150 'skia_export_defines': [ 151 'SK_ENABLE_INST_COUNT=0', 152 'SK_SUPPORT_GPU=<(skia_support_gpu)', 153 'GR_GL_CUSTOM_SETUP_HEADER="GrGLConfig_chrome.h"', 154 'SK_ENABLE_LEGACY_API_ALIASING=1', 155 'SK_ATTR_DEPRECATED=SK_NOTHING_ARG1', 156 'GR_GL_IGNORE_ES3_MSAA=0', 157 'SK_WILL_NEVER_DRAW_PERSPECTIVE_TEXT', 158 159 # This variable contains additional defines, specified in skia's 160 # skia_for_chromium_defines.gypi file. 161 '<@(skia_for_chromium_defines)', 162 ], 163 164 'default_font_cache_limit%': '(20*1024*1024)', 165 166 'conditions': [ 167 ['OS== "android"', { 168 # Android devices are typically more memory constrained, so 169 # default to a smaller glyph cache (it may be overriden at runtime 170 # when the renderer starts up, depending on the actual device memory). 171 'default_font_cache_limit': '(1*1024*1024)', 172 'skia_export_defines': [ 173 'SK_BUILD_FOR_ANDROID', 174 ], 175 }], 176 ], 177 }, 178 179 'defines': [ 180 '<@(skia_export_defines)', 181 182 # skia uses static initializers to initialize the serialization logic 183 # of its "pictures" library. This is currently not used in chrome; if 184 # it ever gets used the processes that use it need to call 185 # SkGraphics::Init(). 186 'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=0', 187 188 # Forcing the unoptimized path for the offset image filter in skia until 189 # all filters used in Blink support the optimized path properly 190 'SK_DISABLE_OFFSETIMAGEFILTER_OPTIMIZATION', 191 192 'IGNORE_ROT_AA_RECT_OPT', 193 194 'SK_IGNORE_BLURRED_RRECT_OPT', 195 196 # this flag forces Skia not to use typographic metrics with GDI. 197 'SK_GDI_ALWAYS_USE_TEXTMETRICS_FOR_FONT_METRICS', 198 199 'SK_DEFAULT_FONT_CACHE_LIMIT=<(default_font_cache_limit)', 200 201 'SK_USE_DISCARDABLE_SCALEDIMAGECACHE', 202 ], 203 204 'direct_dependent_settings': { 205 'defines': [ 206 '<@(skia_export_defines)', 207 ], 208 }, 209 210 # We would prefer this to be direct_dependent_settings, 211 # however we currently have no means to enforce that direct dependents 212 # re-export if they include Skia headers in their public headers. 213 'all_dependent_settings': { 214 'include_dirs': [ 215 '..', 216 'config', 217 ], 218 }, 219 220 'msvs_disabled_warnings': [4244, 4267, 4341, 4345, 4390, 4554, 4748, 4800], 221 } 222