1 # Copyright (c) 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 import("//build/config/features.gni") 6 import("//build/config/ui.gni") 7 import("//testing/test.gni") 8 import("//third_party/skia/gn/shared_sources.gni") 9 10 if (current_cpu == "arm") { 11 import("//build/config/arm.gni") 12 } 13 if (current_cpu == "mipsel" || current_cpu == "mips64el") { 14 import("//build/config/mips.gni") 15 } 16 17 skia_support_gpu = !is_ios 18 skia_support_pdf = false #!is_ios && (enable_basic_printing || enable_print_preview) 19 20 # External-facing config for dependent code. 21 config("skia_config") { 22 include_dirs = [ 23 "config", 24 "ext", 25 "//third_party/skia/include/c", 26 "//third_party/skia/include/codec", 27 "//third_party/skia/include/config", 28 "//third_party/skia/include/core", 29 "//third_party/skia/include/effects", 30 "//third_party/skia/include/encode", 31 "//third_party/skia/include/images", 32 "//third_party/skia/include/lazy", 33 "//third_party/skia/include/pathops", 34 "//third_party/skia/include/pdf", 35 "//third_party/skia/include/pipe", 36 "//third_party/skia/include/ports", 37 "//third_party/skia/include/utils", 38 "//third_party/skia/third_party/vulkan", 39 ] 40 41 defines = [] 42 43 if (is_win) { 44 defines += [ "SK_FREETYPE_MINIMUM_RUNTIME_VERSION=(((FREETYPE_MAJOR) * 0x01000000) | ((FREETYPE_MINOR) * 0x00010000) | ((FREETYPE_PATCH) * 0x00000100))" ] 45 } 46 47 if (is_component_build) { 48 defines += [ 49 "SKIA_DLL", 50 "GR_GL_IGNORE_ES3_MSAA=0", 51 ] 52 } 53 54 if (skia_support_gpu) { 55 include_dirs += [ 56 "//third_party/skia/include/gpu", 57 "//third_party/skia/src/gpu", 58 ] 59 defines += [ "SK_SUPPORT_GPU=1" ] 60 } else { 61 defines += [ "SK_SUPPORT_GPU=0" ] 62 } 63 64 if (is_android) { 65 defines += [ 66 "SK_BUILD_FOR_ANDROID", 67 "USE_CHROMIUM_SKIA", 68 ] 69 } 70 71 if (is_mac) { 72 defines += [ "SK_BUILD_FOR_MAC" ] 73 } 74 75 if (is_win) { 76 defines += [ "GR_GL_FUNCTION_TYPE=__stdcall" ] 77 } 78 } 79 80 # Internal-facing config for Skia library code. 81 config("skia_library_config") { 82 # These include directories are only included for Skia code and are not 83 # exported to dependents. It's not clear if this is on purpose, but this 84 # matches the GYP build. 85 include_dirs = [ 86 "//third_party/skia/include/private", 87 "//third_party/skia/include/client/android", 88 "//third_party/skia/src/core", 89 "//third_party/skia/src/image", 90 "//third_party/skia/src/opts", 91 "//third_party/skia/src/pdf", 92 "//third_party/skia/src/ports", 93 "//third_party/skia/src/sfnt", 94 "//third_party/skia/src/shaders", 95 "//third_party/skia/src/sksl", 96 "//third_party/skia/src/utils", 97 "//third_party/skia/src/lazy", 98 ] 99 if (is_mac || is_ios) { 100 include_dirs += [ "//third_party/skia/include/utils/mac" ] 101 } 102 if (is_mac) { 103 include_dirs += [ "//third_party/skia/include/utils/ios" ] 104 } 105 106 defines = [] 107 108 if (is_component_build) { 109 defines += [ "SKIA_IMPLEMENTATION=1" ] 110 } 111 112 if (current_cpu == "arm") { 113 if (arm_use_neon) { 114 defines += [ "SK_ARM_HAS_NEON" ] 115 } else if (arm_optionally_use_neon) { 116 defines += [ "SK_ARM_HAS_OPTIONAL_NEON" ] 117 } 118 } 119 120 # Settings for text blitting, chosen to approximate the system browser. 121 if (is_linux) { 122 defines += [ 123 "SK_GAMMA_EXPONENT=1.2", 124 "SK_GAMMA_CONTRAST=0.2", 125 ] 126 } else if (is_android) { 127 defines += [ 128 "SK_GAMMA_APPLY_TO_A8", 129 "SK_GAMMA_EXPONENT=1.4", 130 "SK_GAMMA_CONTRAST=0.0", 131 ] 132 } else if (is_win) { 133 defines += [ 134 "SK_GAMMA_SRGB", 135 "SK_GAMMA_CONTRAST=0.5", 136 ] 137 } else if (is_mac) { 138 defines += [ 139 "SK_GAMMA_SRGB", 140 "SK_GAMMA_CONTRAST=0.0", 141 ] 142 } 143 144 if (is_android) { 145 defines += [ 146 # Android devices are typically more memory constrained, so default to a 147 # smaller glyph cache (it may be overriden at runtime when the renderer 148 # starts up, depending on the actual device memory). 149 "SK_DEFAULT_FONT_CACHE_LIMIT=1048576", # 1024 * 1024 150 ] 151 } else { 152 defines += [ "SK_DEFAULT_FONT_CACHE_LIMIT=20971520" ] # 20 * 1024 * 1024 153 } 154 155 if (is_win) { 156 include_dirs += [ 157 "//third_party/skia/include/utils/win", 158 "//third_party/skia/src/utils/win", 159 ] 160 161 defines += [ 162 # On windows, GDI handles are a scarse system-wide resource so we have to 163 # keep the glyph cache, which holds up to 4 GDI handles per entry, to a 164 # fairly small size. http://crbug.com/314387 165 "SK_DEFAULT_FONT_CACHE_COUNT_LIMIT=256", 166 ] 167 168 cflags = [ 169 "/wd4244", # conversion from 'type1( __int64)' to 'type2 (unsigned int)' 170 "/wd4267", # conversion from 'size_t' (64 bit) to 'type'(32 bit). 171 "/wd4341", # signed value is out of range for enum constant. 172 "/wd4345", # Object is default-initialized if initialization is omitted. 173 "/wd4390", # ';'empty statement found in looping;is it what was intended? 174 "/wd4554", # 'operator' : check operator precedence for possible error 175 "/wd4748", # compiler will disable optimizations if a function has inline 176 # assembly code contains flow control(jmp or jcc) statements. 177 178 "/wd4800", # forcing value to bool 'true/false'(assigning int to bool). 179 ] 180 } 181 } 182 183 component("skia") { 184 sources = [ 185 # PDFium sources. 186 "config/SkUserConfig.h", 187 "ext/google_logging.cc", 188 ] 189 190 # The skia sources values are relative to the skia_dir, so we need to rebase. 191 sources += skia_core_sources 192 sources += skia_effects_sources 193 sources += skia_sksl_sources 194 sources += skia_utils_sources 195 sources += [ 196 "//third_party/skia/src/fonts/SkFontMgr_indirect.cpp", 197 "//third_party/skia/src/fonts/SkRemotableFontMgr.cpp", 198 "//third_party/skia/src/images/SkImageEncoder.cpp", 199 "//third_party/skia/src/ports/SkFontHost_FreeType.cpp", 200 "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp", 201 "//third_party/skia/src/ports/SkFontHost_win.cpp", 202 "//third_party/skia/src/ports/SkFontMgr_android.cpp", 203 "//third_party/skia/src/ports/SkFontMgr_android_factory.cpp", 204 "//third_party/skia/src/ports/SkFontMgr_android_parser.cpp", 205 "//third_party/skia/src/ports/SkGlobalInitialization_default.cpp", 206 "//third_party/skia/src/ports/SkImageGenerator_none.cpp", 207 "//third_party/skia/src/ports/SkOSFile_posix.cpp", 208 "//third_party/skia/src/ports/SkOSFile_stdio.cpp", 209 "//third_party/skia/src/ports/SkOSFile_win.cpp", 210 "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp", 211 "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp", 212 "//third_party/skia/src/ports/SkTLS_pthread.cpp", 213 "//third_party/skia/src/ports/SkTLS_win.cpp", 214 "//third_party/skia/src/ports/SkTypeface_win_dw.cpp", 215 "//third_party/skia/src/sfnt/SkOTTable_name.cpp", 216 "//third_party/skia/src/sfnt/SkOTUtils.cpp", 217 218 #mac 219 "//third_party/skia/src/utils/mac/SkStream_mac.cpp", 220 221 #pdfium 222 "//third_party/skia/src/ports/SkDiscardableMemory_none.cpp", 223 "//third_party/skia/src/ports/SkFontMgr_custom.cpp", 224 "//third_party/skia/src/ports/SkFontMgr_custom_empty.cpp", 225 "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp", 226 "//third_party/skia/src/ports/SkMemory_malloc.cpp", 227 ] 228 229 # This and skia_opts are really the same conceptual target so share headers. 230 allow_circular_includes_from = [ ":skia_opts" ] 231 232 if (current_cpu == "arm") { 233 sources += [ "//third_party/skia/src/core/SkUtilsArm.cpp" ] 234 } 235 236 # GPU 237 if (skia_support_gpu) { 238 sources += skia_gpu_sources 239 sources += skia_null_gpu_sources 240 } 241 242 # Remove unused util files include in utils.gni 243 sources -= [ 244 "//third_party/skia/src/utils/SkCamera.cpp", 245 "//third_party/skia/src/utils/SkDumpCanvas.cpp", 246 "//third_party/skia/src/utils/SkFrontBufferedStream.cpp", 247 "//third_party/skia/src/utils/SkInterpolator.cpp", 248 "//third_party/skia/src/utils/SkParsePath.cpp", 249 ] 250 251 if (is_win) { 252 sources -= [ 253 # Keeping _win.cpp 254 "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp", 255 ] 256 } else { 257 sources -= [ 258 # Keeping _pthread.cpp 259 "//third_party/skia/src/utils/SkThreadUtils_win.cpp", 260 ] 261 } 262 263 # need separate win section to handle chromes auto gn filter 264 # (build/config/BUILDCONFIG.gn) 265 if (is_win) { 266 sources -= [ 267 #windows 268 "//third_party/skia/src/utils/win/SkAutoCoInitialize.cpp", 269 "//third_party/skia/src/utils/win/SkIStream.cpp", 270 "//third_party/skia/src/utils/win/SkWGL_win.cpp", 271 ] 272 } 273 274 # Fixup skia library sources. 275 if (is_win) { 276 sources -= [ 277 "//third_party/skia/src/ports/SkOSFile_posix.cpp", 278 "//third_party/skia/src/ports/SkTLS_pthread.cpp", 279 ] 280 } else { 281 sources -= [ 282 "//third_party/skia/src/ports/SkFontHost_win.cpp", 283 "//third_party/skia/src/ports/SkOSFile_win.cpp", 284 "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp", 285 "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp", 286 "//third_party/skia/src/ports/SkTLS_win.cpp", 287 "//third_party/skia/src/ports/SkTypeface_win_dw.cpp", 288 ] 289 } 290 if (!is_android) { 291 sources -= [ 292 "//third_party/skia/src/ports/SkFontMgr_android.cpp", 293 "//third_party/skia/src/ports/SkFontMgr_android_factory.cpp", 294 "//third_party/skia/src/ports/SkFontMgr_android_parser.cpp", 295 ] 296 } 297 if (!is_linux && !is_android && !is_win && !is_mac) { 298 sources -= [ 299 "//third_party/skia/src/ports/SkFontHost_FreeType.cpp", 300 "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp", 301 "//third_party/skia/src/ports/SkFontMgr_custom.cpp", 302 "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp", 303 ] 304 } 305 306 if (is_clang && !is_nacl) { 307 # Skia won't compile with some of the more strict clang warnings. 308 # e.g. it does: 309 # SkASSERT(!"sk_out_of_memory"); 310 configs -= [ "//build/config/clang:extra_warnings" ] 311 } 312 313 configs -= [ "//build/config/compiler:chromium_code" ] 314 configs += [ 315 ":skia_config", 316 ":skia_library_config", 317 "//build/config/compiler:no_chromium_code", 318 ] 319 public_configs = [ ":skia_config" ] 320 321 deps = [ 322 ":skia_opts", 323 "../third_party:zlib", 324 "//:freetype_common", 325 ] 326 327 if (is_linux) { 328 deps += [ "//third_party/icu:icuuc" ] 329 } 330 331 if (is_android) { 332 set_sources_assignment_filter([]) 333 set_sources_assignment_filter(sources_assignment_filter) 334 deps += [ 335 "//third_party/android_tools:cpu_features", 336 "//third_party/expat", 337 "//third_party/freetype-android:freetype", 338 ] 339 } 340 341 if (skia_support_pdf) { 342 deps += [ "//third_party/sfntly" ] 343 sources += skia_pdf_sources 344 } else { 345 sources += [ "//third_party/skia/src/pdf/SkDocument_PDF_None.cpp" ] 346 } 347 348 if (is_android && !is_debug) { 349 configs -= [ "//build/config/compiler:default_optimization" ] 350 configs += [ "//build/config/compiler:optimize_max" ] 351 } 352 353 if (is_ios) { 354 libs = [ "ImageIO.framework" ] 355 set_sources_assignment_filter([]) 356 sources += [ 357 "//third_party/skia/src/ports/SkFontHost_mac.cpp", 358 "//third_party/skia/src/utils/mac/SkCreateCGImageRef.cpp", 359 "//third_party/skia/src/utils/mac/SkStream_mac.cpp", 360 ] 361 set_sources_assignment_filter(sources_assignment_filter) 362 363 # To disable warning "CGContextSelectFont' is deprecated" 364 cflags = [ "-Wno-deprecated-declarations" ] 365 } 366 } 367 368 # Separated out so it can be compiled with different flags for SSE. 369 if (current_cpu == "x86" || current_cpu == "x64") { 370 source_set("skia_opts_sse3") { 371 sources = skia_opts.ssse3_sources 372 if (!is_win || is_clang) { 373 cflags = [ "-mssse3" ] 374 } 375 if (is_win) { 376 defines = [ "SK_CPU_SSE_LEVEL=31" ] 377 } 378 visibility = [ ":skia_opts" ] 379 configs -= [ "//build/config/compiler:chromium_code" ] 380 configs += [ 381 ":skia_config", 382 ":skia_library_config", 383 "//build/config/compiler:no_chromium_code", 384 ] 385 } 386 source_set("skia_opts_sse41") { 387 sources = skia_opts.sse41_sources 388 if (!is_win || is_clang) { 389 cflags = [ "-msse4.1" ] 390 } 391 if (is_win) { 392 defines = [ "SK_CPU_SSE_LEVEL=41" ] 393 } 394 visibility = [ ":skia_opts" ] 395 configs -= [ "//build/config/compiler:chromium_code" ] 396 configs += [ 397 ":skia_config", 398 ":skia_library_config", 399 "//build/config/compiler:no_chromium_code", 400 ] 401 } 402 source_set("skia_opts_sse42") { 403 sources = skia_opts.sse42_sources 404 if (!is_win || is_clang) { 405 cflags = [ "-msse4.2" ] 406 } 407 if (is_win) { 408 defines = [ "SK_CPU_SSE_LEVEL=42" ] 409 } 410 visibility = [ ":skia_opts" ] 411 configs -= [ "//build/config/compiler:chromium_code" ] 412 configs += [ 413 ":skia_config", 414 ":skia_library_config", 415 "//build/config/compiler:no_chromium_code", 416 ] 417 } 418 source_set("skia_opts_avx") { 419 sources = skia_opts.avx_sources 420 if (!is_win) { 421 cflags = [ "-mavx" ] 422 } 423 if (is_win) { 424 cflags = [ "/arch:AVX" ] 425 } 426 visibility = [ ":skia_opts" ] 427 configs -= [ "//build/config/compiler:chromium_code" ] 428 configs += [ 429 ":skia_config", 430 ":skia_library_config", 431 "//build/config/compiler:no_chromium_code", 432 ] 433 } 434 source_set("skia_opts_hsw") { 435 sources = skia_opts.hsw_sources 436 if (!is_win) { 437 cflags = [ 438 "-mavx2", 439 "-mbmi", 440 "-mbmi2", 441 "-mf16c", 442 "-mfma", 443 ] 444 } 445 if (is_win) { 446 cflags = [ "/arch:AVX2" ] 447 } 448 visibility = [ ":skia_opts" ] 449 configs -= [ "//build/config/compiler:chromium_code" ] 450 configs += [ 451 ":skia_config", 452 ":skia_library_config", 453 "//build/config/compiler:no_chromium_code", 454 ] 455 } 456 } 457 source_set("skia_opts") { 458 cflags = [] 459 defines = [] 460 461 if (current_cpu == "x86" || current_cpu == "x64") { 462 sources = skia_opts.sse2_sources 463 deps = [ 464 ":skia_opts_avx", 465 ":skia_opts_hsw", 466 ":skia_opts_sse3", 467 ":skia_opts_sse41", 468 ":skia_opts_sse42", 469 ] 470 } else if (current_cpu == "arm") { 471 # The assembly uses the frame pointer register (r7 in Thumb/r11 in 472 # ARM), the compiler doesn't like that. 473 cflags += [ "-fomit-frame-pointer" ] 474 475 if (arm_version >= 7) { 476 sources = skia_opts.armv7_sources 477 if (arm_use_neon || arm_optionally_use_neon) { 478 sources += skia_opts.neon_sources 479 480 # Root build config sets -mfpu=$arm_fpu, which we expect to be neon 481 # when running this. 482 if (!arm_use_neon) { 483 configs -= [ "//build/config/compiler:compiler_arm_fpu" ] 484 cflags += [ "-mfpu=neon" ] 485 } 486 } 487 } else { 488 sources = skia_opts.none_sources 489 } 490 } else if (current_cpu == "arm64") { 491 sources = skia_opts.arm64_sources 492 } else if (current_cpu == "mipsel") { 493 cflags += [ "-fomit-frame-pointer" ] 494 495 if (mips_dsp_rev >= 1) { 496 sources = skia_opts.mips_dsp_sources 497 } else { 498 sources = skia_opts.none_sources 499 } 500 } else if (current_cpu == "mips64el") { 501 cflags += [ "-fomit-frame-pointer" ] 502 sources = skia_opts.none_sources 503 } else { 504 assert(false, "Need to port cpu specific stuff from gn/BUILDCONFIG.gn") 505 } 506 507 if (is_android && !is_debug) { 508 configs -= [ "//build/config/compiler:default_optimization" ] 509 configs += [ "//build/config/compiler:optimize_max" ] 510 } 511 512 configs -= [ "//build/config/compiler:chromium_code" ] 513 configs += [ 514 ":skia_config", 515 ":skia_library_config", 516 "//build/config/compiler:no_chromium_code", 517 ] 518 519 visibility = [ ":skia" ] 520 } 521
