Change variation param for LoFi
[chromium-blink-merge.git] / skia / BUILD.gn
blobcba5ceb721715be3b7521a5c3e558fd8c54669bb
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.
5 import("//build/config/features.gni")
6 import("//build/config/ui.gni")
7 import("//testing/test.gni")
8 if (current_cpu == "arm") {
9   import("//build/config/arm.gni")
11 if (current_cpu == "mipsel" || current_cpu == "mips64el") {
12   import("//build/config/mips.gni")
15 skia_support_gpu = !is_ios
16 skia_support_pdf = !is_ios && (enable_basic_printing || enable_print_preview)
18 # The list of Skia defines that are to be set for blink.
19 gypi_blink_skia_defines =
20     exec_script("//build/gypi_to_gn.py",
21                 [
22                   rebase_path(
23                       "//third_party/WebKit/public/blink_skia_config.gypi"),
24                   "--replace=<(skia_include_path)=//third_party/skia/include",
25                   "--replace=<(skia_src_path)=//third_party/skia/src",
26                 ],
27                 "scope",
28                 [ "//third_party/WebKit/public/blink_skia_config.gypi" ])
30 # The list of Skia defines that are to be set for chromium.
31 gypi_skia_defines =
32     exec_script("//build/gypi_to_gn.py",
33                 [
34                   rebase_path(
35                       "//third_party/skia/gyp/skia_for_chromium_defines.gypi"),
36                   "--replace=<(skia_include_path)=//third_party/skia/include",
37                   "--replace=<(skia_src_path)=//third_party/skia/src",
38                 ],
39                 "scope",
40                 [ "//third_party/skia/gyp/skia_for_chromium_defines.gypi" ])
42 # The list of Skia core sources that are to be set for chromium.
43 gypi_skia_core =
44     exec_script("//build/gypi_to_gn.py",
45                 [
46                   rebase_path("//third_party/skia/gyp/core.gypi"),
47                   "--replace=<(skia_include_path)=//third_party/skia/include",
48                   "--replace=<(skia_src_path)=//third_party/skia/src",
49                 ],
50                 "scope",
51                 [ "//third_party/skia/gyp/core.gypi" ])
53 # The list of Skia gpu sources that are to be set for chromium.
54 if (skia_support_gpu) {
55   gypi_skia_gpu =
56       exec_script("//build/gypi_to_gn.py",
57                   [
58                     rebase_path("//third_party/skia/gyp/gpu.gypi"),
59                     "--replace=<(skia_include_path)=//third_party/skia/include",
60                     "--replace=<(skia_src_path)=//third_party/skia/src",
61                   ],
62                   "scope",
63                   [ "//third_party/skia/gyp/gpu.gypi" ])
66 # The list of Skia pdf sources that are to be set for chromium.
67 if (skia_support_pdf) {
68   gypi_skia_pdf =
69       exec_script("//build/gypi_to_gn.py",
70                   [
71                     rebase_path("//third_party/skia/gyp/pdf.gypi"),
72                     "--replace=<(skia_include_path)=//third_party/skia/include",
73                     "--replace=<(skia_src_path)=//third_party/skia/src",
74                   ],
75                   "scope",
76                   [ "//third_party/skia/gyp/pdf.gypi" ])
79 # The list of Skia effects that are to be set for chromium.
80 gypi_skia_effects =
81     exec_script("//build/gypi_to_gn.py",
82                 [
83                   rebase_path("//third_party/skia/gyp/effects.gypi"),
84                   "--replace=<(skia_include_path)=//third_party/skia/include",
85                   "--replace=<(skia_src_path)=//third_party/skia/src",
86                 ],
87                 "scope",
88                 [ "//third_party/skia/gyp/effects.gypi" ])
90 # The list of Skia utils that are to be set for chromium.
91 gypi_skia_utils =
92     exec_script("//build/gypi_to_gn.py",
93                 [
94                   rebase_path("//third_party/skia/gyp/utils.gypi"),
95                   "--replace=<(skia_include_path)=//third_party/skia/include",
96                   "--replace=<(skia_src_path)=//third_party/skia/src",
97                 ],
98                 "scope",
99                 [ "//third_party/skia/gyp/utils.gypi" ])
101 gypi_skia_opts =
102     exec_script("//build/gypi_to_gn.py",
103                 [
104                   rebase_path("//third_party/skia/gyp/opts.gypi"),
105                   "--replace=<(skia_include_path)=//third_party/skia/include",
106                   "--replace=<(skia_src_path)=//third_party/skia/src",
107                 ],
108                 "scope",
109                 [ "//third_party/skia/gyp/opts.gypi" ])
111 # The list of Skia files is kept in skia_gn_files.gypi. Read it.
112 gypi_values =
113     exec_script("//build/gypi_to_gn.py",
114                 [
115                   rebase_path("skia_gn_files.gypi"),
116                   "--replace=<(skia_include_path)=//third_party/skia/include",
117                   "--replace=<(skia_src_path)=//third_party/skia/src",
118                 ],
119                 "scope",
120                 [ "skia_gn_files.gypi" ])
122 # External-facing config for dependent code.
123 config("skia_config") {
124   include_dirs = [
125     "config",
126     "ext",
127     "//third_party/skia/include/c",
128     "//third_party/skia/include/config",
129     "//third_party/skia/include/core",
130     "//third_party/skia/include/effects",
131     "//third_party/skia/include/images",
132     "//third_party/skia/include/lazy",
133     "//third_party/skia/include/pathops",
134     "//third_party/skia/include/pdf",
135     "//third_party/skia/include/pipe",
136     "//third_party/skia/include/ports",
137     "//third_party/skia/include/utils",
138   ]
140   defines = gypi_blink_skia_defines.blink_skia_defines
141   defines += gypi_skia_defines.skia_for_chromium_defines
143   defines += []
145   if (is_component_build) {
146     defines += [
147       "SKIA_DLL",
148       "GR_GL_IGNORE_ES3_MSAA=0",
149     ]
150   }
152   if (skia_support_gpu) {
153     include_dirs += [
154       "//third_party/skia/include/gpu",
155       "//third_party/skia/src/gpu",
156     ]
157     defines += [ "SK_SUPPORT_GPU=1" ]
158   } else {
159     defines += [ "SK_SUPPORT_GPU=0" ]
160   }
162   if (is_android) {
163     defines += [
164       "SK_BUILD_FOR_ANDROID",
165       "USE_CHROMIUM_SKIA",
166     ]
167   }
169   if (is_mac) {
170     defines += [ "SK_BUILD_FOR_MAC" ]
171   }
173   if (is_win) {
174     defines += [ "GR_GL_FUNCTION_TYPE=__stdcall" ]
175   }
178 # Internal-facing config for Skia library code.
179 config("skia_library_config") {
180   # These include directories are only included for Skia code and are not
181   # exported to dependents. It's not clear if this is on purpose, but this
182   # matches the GYP build.
183   include_dirs = [
184     "//third_party/skia/include/private",
185     "//third_party/skia/src/core",
186     "//third_party/skia/src/image",
187     "//third_party/skia/src/opts",
188     "//third_party/skia/src/pdf",
189     "//third_party/skia/src/ports",
190     "//third_party/skia/src/sfnt",
191     "//third_party/skia/src/utils",
192     "//third_party/skia/src/lazy",
193   ]
194   if (is_mac || is_ios) {
195     include_dirs += [ "//third_party/skia/include/utils/mac" ]
196   }
197   if (is_mac) {
198     include_dirs += [ "//third_party/skia/include/utils/ios" ]
199   }
201   defines = []
203   if (is_component_build) {
204     defines += [ "SKIA_IMPLEMENTATION=1" ]
205   }
207   if (current_cpu == "arm") {
208     if (arm_use_neon) {
209       defines += [ "SK_ARM_HAS_NEON" ]
210     } else if (arm_optionally_use_neon) {
211       defines += [ "SK_ARM_HAS_OPTIONAL_NEON" ]
212     }
213   }
215   # Settings for text blitting, chosen to approximate the system browser.
216   if (is_linux) {
217     defines += [
218       "SK_GAMMA_EXPONENT=1.2",
219       "SK_GAMMA_CONTRAST=0.2",
220     ]
221   } else if (is_android) {
222     defines += [
223       "SK_GAMMA_APPLY_TO_A8",
224       "SK_GAMMA_EXPONENT=1.4",
225       "SK_GAMMA_CONTRAST=0.0",
226     ]
227   } else if (is_win) {
228     defines += [
229       "SK_GAMMA_SRGB",
230       "SK_GAMMA_CONTRAST=0.5",
231     ]
232   } else if (is_mac) {
233     defines += [
234       "SK_GAMMA_SRGB",
235       "SK_GAMMA_CONTRAST=0.0",
236     ]
237   }
239   if (is_android) {
240     defines += [
241       # Android devices are typically more memory constrained, so default to a
242       # smaller glyph cache (it may be overriden at runtime when the renderer
243       # starts up, depending on the actual device memory).
244       "SK_DEFAULT_FONT_CACHE_LIMIT=1048576",  # 1024 * 1024
245     ]
246   } else {
247     defines += [ "SK_DEFAULT_FONT_CACHE_LIMIT=20971520" ]  # 20 * 1024 * 1024
248   }
250   if (is_win) {
251     include_dirs += [
252       "//third_party/skia/include/utils/win",
253       "//third_party/skia/src/utils/win",
254     ]
256     defines += [
257       # On windows, GDI handles are a scarse system-wide resource so we have to
258       # keep the glyph cache, which holds up to 4 GDI handles per entry, to a
259       # fairly small size. http://crbug.com/314387
260       "SK_DEFAULT_FONT_CACHE_COUNT_LIMIT=256",
261     ]
263     cflags = [
264       "/wd4244",  # conversion from 'type1( __int64)' to 'type2 (unsigned int)'
265       "/wd4267",  # conversion from 'size_t' (64 bit) to 'type'(32 bit).
266       "/wd4341",  # signed value is out of range for enum constant.
267       "/wd4345",  # Object is default-initialized if initialization is omitted.
268       "/wd4390",  # ';'empty statement found in looping;is it what was intended?
269       "/wd4554",  # 'operator' : check operator precedence for possible error
270       "/wd4748",  # compiler will disable optimizations if a function has inline
271                   # assembly code contains flow control(jmp or jcc) statements.
273       "/wd4800",  # forcing value to bool 'true/false'(assigning int to bool).
274     ]
275   }
278 component("skia") {
279   sources = [
280     # Chrome sources.
281     "ext/SkDiscardableMemory_chrome.cc",
282     "ext/SkMemory_new_handler.cpp",
283     "ext/analysis_canvas.cc",
284     "ext/benchmarking_canvas.cc",
285     "ext/convolver.cc",
286     "ext/event_tracer_impl.cc",
287     "ext/fontmgr_default_win.cc",
288     "ext/google_logging.cc",
289     "ext/image_operations.cc",
290     "ext/opacity_filter_canvas.cc",
291     "ext/pixel_ref_utils.cc",
292     "ext/platform_canvas.cc",
293     "ext/platform_device.cc",
294     "ext/platform_device_linux.cc",
295     "ext/platform_device_mac.cc",
296     "ext/platform_device_win.cc",
297     "ext/recursive_gaussian_convolution.cc",
298     "ext/skia_memory_dump_provider.cc",
299     "ext/skia_utils_base.cc",
300     "ext/skia_utils_ios.mm",
301     "ext/skia_utils_mac.mm",
302     "ext/skia_utils_win.cc",
303   ]
305   if (current_cpu == "x86" || current_cpu == "x64") {
306     sources += [ "ext/convolver_SSE2.cc" ]
307   } else if (current_cpu == "mipsel" && mips_dsp_rev >= 2) {
308     sources += [ "ext/convolver_mips_dspr2.cc" ]
309   }
311   # The skia gypi values are relative to the skia_dir, so we need to rebase.
312   sources += gypi_skia_core.sources
313   sources += gypi_skia_effects.sources
314   sources += gypi_skia_utils.sources
315   sources += gypi_values.skia_library_sources
317   # This and skia_opts are really the same conceptual target so share headers.
318   allow_circular_includes_from = [ ":skia_opts" ]
320   if (current_cpu == "arm") {
321     sources += [ "//third_party/skia/src/core/SkUtilsArm.cpp" ]
322   }
324   # GPU
325   if (skia_support_gpu) {
326     sources += gypi_skia_gpu.skgpu_sources
327     sources += gypi_skia_gpu.skgpu_null_gl_sources
328   }
330   # Remove unused util files include in utils.gypi
331   sources -= [
332     "//third_party/skia/src/utils/SkBitmapHasher.cpp",
333     "//third_party/skia/src/utils/SkBoundaryPatch.cpp",
334     "//third_party/skia/src/utils/SkCamera.cpp",
335     "//third_party/skia/src/utils/SkCubicInterval.cpp",
336     "//third_party/skia/src/utils/SkCullPoints.cpp",
337     "//third_party/skia/src/utils/SkDumpCanvas.cpp",
338     "//third_party/skia/src/utils/SkFrontBufferedStream.cpp",
339     "//third_party/skia/src/utils/SkInterpolator.cpp",
340     "//third_party/skia/src/utils/SkLayer.cpp",
341     "//third_party/skia/src/utils/SkMD5.cpp",
342     "//third_party/skia/src/utils/SkMeshUtils.cpp",
343     "//third_party/skia/src/utils/SkNinePatch.cpp",
344     "//third_party/skia/src/utils/SkOSFile.cpp",
345     "//third_party/skia/src/utils/SkParsePath.cpp",
346     "//third_party/skia/src/utils/SkSHA1.cpp",
348     # We don't currently need to change thread affinity, so leave out this complexity for now.
349     "//third_party/skia/src/utils/SkThreadUtils_pthread_linux.cpp",
350     "//third_party/skia/src/utils/SkThreadUtils_pthread_mach.cpp",
352     #testing
353     "//third_party/skia/src/fonts/SkGScalerContext.cpp",
354   ]
356   if (is_win) {
357     sources -= [
358       # Keeping _win.cpp
359       "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
360       "//third_party/skia/src/utils/SkThreadUtils_pthread_other.cpp",
361     ]
362   } else {
363     sources -= [
364       # Keeping _pthread.cpp and _pthread_other.cpp.
365       "//third_party/skia/src/utils/SkThreadUtils_win.cpp",
366     ]
367   }
369   # need separate win section to handle chromes auto gn filter
370   # (build/config/BUILDCONFIG.gn)
371   if (is_win) {
372     sources -= [
373       #windows
374       "//third_party/skia/src/utils/win/SkAutoCoInitialize.cpp",
375       "//third_party/skia/src/utils/win/SkIStream.cpp",
376       "//third_party/skia/src/utils/win/SkWGL_win.cpp",
377     ]
378   }
380   if (is_android && (!enable_basic_printing && !enable_print_preview)) {
381     sources -= [ "ext/skia_utils_base.cc" ]
382   }
384   # Fixup skia library sources.
385   if (is_win) {
386     sources -= [
387       "//third_party/skia/src/ports/SkOSFile_posix.cpp",
388       "//third_party/skia/src/ports/SkTLS_pthread.cpp",
389       "//third_party/skia/src/ports/SkTime_Unix.cpp",
390     ]
391   } else {
392     sources -= [
393       "//third_party/skia/src/ports/SkFontHost_win.cpp",
394       "//third_party/skia/src/ports/SkFontMgr_win_dw.cpp",
395       "//third_party/skia/src/ports/SkOSFile_win.cpp",
396       "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp",
397       "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp",
398       "//third_party/skia/src/ports/SkTLS_win.cpp",
399       "//third_party/skia/src/ports/SkTypeface_win_dw.cpp",
400     ]
401   }
402   if (!is_android) {
403     sources -= [
404       "//third_party/skia/src/ports/SkFontMgr_android.cpp",
405       "//third_party/skia/src/ports/SkFontMgr_android_factory.cpp",
406       "//third_party/skia/src/ports/SkFontMgr_android_parser.cpp",
407     ]
408   }
409   if (!is_mac) {
410     sources -= [ "//third_party/skia/src/ports/SkFontHost_mac.cpp" ]
411   }
413   if (!is_linux) {
414     sources -= [
415       "//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
416       "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
417       "//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
418     ]
419   }
421   if (!is_linux && !is_android) {
422     sources -= [
423       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
424       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
425     ]
426   }
428   # Select the right BitmapPlatformDevice.
429   if (is_win) {
430     sources += [ "ext/bitmap_platform_device_win.cc" ]
431   } else if (is_mac) {
432     sources += [ "ext/bitmap_platform_device_mac.cc" ]
433   } else if (use_cairo) {
434     sources += [ "ext/bitmap_platform_device_cairo.cc" ]
435   } else {
436     sources += [ "ext/bitmap_platform_device_skia.cc" ]
437   }
439   if (is_clang) {
440     # Skia won't compile with some of the more strict clang warnings.
441     # e.g. it does:
442     #  SkASSERT(!"sk_out_of_memory");
443     configs -= [ "//build/config/clang:extra_warnings" ]
444   }
446   configs -= [ "//build/config/compiler:chromium_code" ]
447   configs += [
448     ":skia_library_config",
449     "//build/config:precompiled_headers",
450     "//build/config/compiler:no_chromium_code",
451   ]
452   public_configs = [ ":skia_config" ]
454   deps = [
455     ":skia_opts",
456     "//base",
457     "//base/third_party/dynamic_annotations",
458     "//third_party/zlib",
459   ]
461   if (is_linux) {
462     configs += [
463       "//build/config/linux:fontconfig",
464       "//build/config/linux:freetype2",
465     ]
466     if (use_pango) {
467       configs += [ "//build/config/linux:pangocairo" ]
468     }
469     deps += [ "//third_party/icu:icuuc" ]
470   }
472   if (is_android) {
473     set_sources_assignment_filter([])
474     sources += [ "ext/platform_device_linux.cc" ]
475     set_sources_assignment_filter(sources_assignment_filter)
476     deps += [
477       "//third_party/expat",
478       "//third_party/freetype-android:freetype",
479       "//third_party/android_tools:cpu_features",
480     ]
481   }
483   if (skia_support_pdf) {
484     deps += [ "//third_party/sfntly" ]
485     sources += gypi_skia_pdf.sources
486   }
488   if (is_android && !is_debug) {
489     configs -= [ "//build/config/compiler:optimize" ]
490     configs += [ "//build/config/compiler:optimize_max" ]
491   }
494 # Separated out so it can be compiled with different flags for SSE.
495 if (current_cpu == "x86" || current_cpu == "x64") {
496   source_set("skia_opts_sse3") {
497     sources = gypi_skia_opts.ssse3_sources
498     if (!is_win || is_clang) {
499       cflags = [ "-mssse3" ]
500     }
501     if (is_win) {
502       defines = [ "SK_CPU_SSE_LEVEL=31" ]
503     }
504     visibility = [ ":skia_opts" ]
505     configs -= [ "//build/config/compiler:chromium_code" ]
506     configs += [
507       ":skia_config",
508       ":skia_library_config",
509       "//build/config/compiler:no_chromium_code",
510     ]
511   }
512   source_set("skia_opts_sse4") {
513     sources = gypi_skia_opts.sse41_sources
514     if (!is_win || is_clang) {
515       cflags = [ "-msse4.1" ]
516     }
517     if (is_win) {
518       defines = [ "SK_CPU_SSE_LEVEL=41" ]
519     }
520     visibility = [ ":skia_opts" ]
521     configs -= [ "//build/config/compiler:chromium_code" ]
522     configs += [
523       ":skia_config",
524       ":skia_library_config",
525       "//build/config/compiler:no_chromium_code",
526     ]
527   }
529 source_set("skia_opts") {
530   cflags = []
531   defines = []
533   deps = [
534     "//base",
535   ]
537   if (current_cpu == "x86" || current_cpu == "x64") {
538     sources = gypi_skia_opts.sse2_sources
539     deps += [
540       ":skia_opts_sse3",
541       ":skia_opts_sse4",
542     ]
543   } else if (current_cpu == "arm") {
544     # The assembly uses the frame pointer register (r7 in Thumb/r11 in
545     # ARM), the compiler doesn't like that.
546     cflags += [ "-fomit-frame-pointer" ]
548     if (arm_version >= 7) {
549       sources = gypi_skia_opts.armv7_sources
550       if (arm_use_neon || arm_optionally_use_neon) {
551         sources += gypi_skia_opts.neon_sources
553         # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
554         # when running this.
555         if (!arm_use_neon) {
556           configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
557           cflags += [ "-mfpu=neon" ]
558         }
559       }
560     } else {
561       sources = gypi_skia_opts.none_sourcees
562     }
563   } else if (current_cpu == "mipsel") {
564     cflags += [ "-fomit-frame-pointer" ]
566     if (mips_dsp_rev >= 1) {
567       sources = gypi_skia_opts.mips_dsp_sources
568     } else {
569       sources = gypi_skia_opts.none_sources
570     }
571   } else {
572     assert(false, "Need to port cpu specific stuff from skia_library_opts.gyp")
573   }
575   if (is_android && !is_debug) {
576     configs -= [ "//build/config/compiler:optimize" ]
577     configs += [ "//build/config/compiler:optimize_max" ]
578   }
580   configs -= [ "//build/config/compiler:chromium_code" ]
581   configs += [
582     ":skia_config",
583     ":skia_library_config",
584     "//build/config/compiler:no_chromium_code",
585   ]
587   visibility = [ ":skia" ]
590 # TODO(GYP): Delete this after we've converted everything to GN.
591 # The _run targets exist only for compatibility w/ GYP.
592 group("skia_unittests_run") {
593   testonly = true
594   deps = [
595     ":skia_unittests",
596   ]
599 test("skia_unittests") {
600   sources = [
601     "ext/analysis_canvas_unittest.cc",
602     "ext/bitmap_platform_device_mac_unittest.cc",
603     "ext/convolver_unittest.cc",
604     "ext/image_operations_unittest.cc",
605     "ext/pixel_ref_utils_unittest.cc",
606     "ext/platform_canvas_unittest.cc",
607     "ext/recursive_gaussian_convolution_unittest.cc",
608     "ext/refptr_unittest.cc",
609     "ext/skia_memory_dump_provider_unittest.cc",
610     "ext/skia_utils_ios_unittest.mm",
611     "ext/skia_utils_mac_unittest.mm",
612   ]
614   if (!is_win && !is_mac) {
615     sources -= [ "ext/platform_canvas_unittest.cc" ]
616   }
618   deps = [
619     ":skia",
620     "//base",
621     "//base/test:run_all_unittests",
622     "//testing/gtest",
623     "//ui/gfx",
624     "//ui/gfx/geometry",
625   ]
627   if (!is_ios) {
628     deps += [ "//cc:test_support" ]  # TODO: Fix this test to not depend on cc.
629   }
632 if (is_linux && !is_chromeos) {
633   # TODO(GYP): Figure out which of these work and are needed on other platforms.
634   executable("image_operations_bench") {
635     sources = [
636       "ext/image_operations_bench.cc",
637     ]
639     deps = [
640       ":skia",
641       "//base",
642     ]
643   }
645   executable("filter_fuzz_stub") {
646     testonly = true
647     sources = [
648       "tools/filter_fuzz_stub/filter_fuzz_stub.cc",
649     ]
651     deps = [
652       ":skia",
653       "//base",
654       "//base/test:test_support",
655     ]
656   }