Move implementation of load methods to chromium layer
[chromium-blink-merge.git] / skia / BUILD.gn
blobe2223470e43ef1b65b41a540f9439ce5be0e19fb
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")
12 skia_support_gpu = !is_ios
13 skia_support_pdf = !is_ios && (enable_basic_printing || enable_print_preview)
15 # The list of Skia defines that are to be set for blink.
16 gypi_blink_skia_defines =
17     exec_script("//build/gypi_to_gn.py",
18                 [
19                   rebase_path(
20                       "//third_party/WebKit/public/blink_skia_config.gypi"),
21                   "--replace=<(skia_include_path)=//third_party/skia/include",
22                   "--replace=<(skia_src_path)=//third_party/skia/src",
23                 ],
24                 "scope",
25                 [ "//third_party/WebKit/public/blink_skia_config.gypi" ])
27 # The list of Skia defines that are to be set for chromium.
28 gypi_skia_defines =
29     exec_script("//build/gypi_to_gn.py",
30                 [
31                   rebase_path(
32                       "//third_party/skia/gyp/skia_for_chromium_defines.gypi"),
33                   "--replace=<(skia_include_path)=//third_party/skia/include",
34                   "--replace=<(skia_src_path)=//third_party/skia/src",
35                 ],
36                 "scope",
37                 [ "//third_party/skia/gyp/skia_for_chromium_defines.gypi" ])
39 # The list of Skia core sources that are to be set for chromium.
40 gypi_skia_core =
41     exec_script("//build/gypi_to_gn.py",
42                 [
43                   rebase_path("//third_party/skia/gyp/core.gypi"),
44                   "--replace=<(skia_include_path)=//third_party/skia/include",
45                   "--replace=<(skia_src_path)=//third_party/skia/src",
46                 ],
47                 "scope",
48                 [ "//third_party/skia/gyp/core.gypi" ])
50 # The list of Skia gpu sources that are to be set for chromium.
51 gypi_skia_gpu =
52     exec_script("//build/gypi_to_gn.py",
53                 [
54                   rebase_path("//third_party/skia/gyp/gpu.gypi"),
55                   "--replace=<(skia_include_path)=//third_party/skia/include",
56                   "--replace=<(skia_src_path)=//third_party/skia/src",
57                 ],
58                 "scope",
59                 [ "//third_party/skia/gyp/gpu.gypi" ])
61 # The list of Skia pdf sources that are to be set for chromium.
62 gypi_skia_pdf =
63     exec_script("//build/gypi_to_gn.py",
64                 [
65                   rebase_path("//third_party/skia/gyp/pdf.gypi"),
66                   "--replace=<(skia_include_path)=//third_party/skia/include",
67                   "--replace=<(skia_src_path)=//third_party/skia/src",
68                 ],
69                 "scope",
70                 [ "//third_party/skia/gyp/pdf.gypi" ])
72 # The list of Skia effects that are to be set for chromium.
73 gypi_skia_effects =
74     exec_script("//build/gypi_to_gn.py",
75                 [
76                   rebase_path("//third_party/skia/gyp/effects.gypi"),
77                   "--replace=<(skia_include_path)=//third_party/skia/include",
78                   "--replace=<(skia_src_path)=//third_party/skia/src",
79                 ],
80                 "scope",
81                 [ "//third_party/skia/gyp/effects.gypi" ])
83 # The list of Skia utils that are to be set for chromium.
84 gypi_skia_utils =
85     exec_script("//build/gypi_to_gn.py",
86                 [
87                   rebase_path("//third_party/skia/gyp/utils.gypi"),
88                   "--replace=<(skia_include_path)=//third_party/skia/include",
89                   "--replace=<(skia_src_path)=//third_party/skia/src",
90                 ],
91                 "scope",
92                 [ "//third_party/skia/gyp/utils.gypi" ])
94 gypi_skia_opts =
95     exec_script("//build/gypi_to_gn.py",
96                 [
97                   rebase_path("//third_party/skia/gyp/opts.gypi"),
98                   "--replace=<(skia_include_path)=//third_party/skia/include",
99                   "--replace=<(skia_src_path)=//third_party/skia/src",
100                 ],
101                 "scope",
102                 [ "//third_party/skia/gyp/opts.gypi" ])
104 # The list of Skia files is kept in skia_gn_files.gypi. Read it.
105 gypi_values =
106     exec_script("//build/gypi_to_gn.py",
107                 [
108                   rebase_path("skia_gn_files.gypi"),
109                   "--replace=<(skia_include_path)=//third_party/skia/include",
110                   "--replace=<(skia_src_path)=//third_party/skia/src",
111                 ],
112                 "scope",
113                 [ "skia_gn_files.gypi" ])
115 # External-facing config for dependent code.
116 config("skia_config") {
117   include_dirs = [
118     "config",
119     "ext",
120     "//third_party/skia/include/c",
121     "//third_party/skia/include/config",
122     "//third_party/skia/include/core",
123     "//third_party/skia/include/effects",
124     "//third_party/skia/include/images",
125     "//third_party/skia/include/lazy",
126     "//third_party/skia/include/pathops",
127     "//third_party/skia/include/pdf",
128     "//third_party/skia/include/pipe",
129     "//third_party/skia/include/ports",
130     "//third_party/skia/include/utils",
132     # need to move this to internal. see crbug.com/457691
133     "//third_party/skia/src/core",
134   ]
136   defines = gypi_blink_skia_defines.blink_skia_defines
137   defines += gypi_skia_defines.skia_for_chromium_defines
139   defines += []
141   if (component_mode == "shared_library") {
142     defines += [
143       "SKIA_DLL",
144       "GR_GL_IGNORE_ES3_MSAA=0",
145     ]
146   }
148   if (skia_support_gpu) {
149     include_dirs += [
150       "//third_party/skia/include/gpu",
151       "//third_party/skia/src/gpu",
152     ]
153     defines += [ "SK_SUPPORT_GPU=1" ]
154   } else {
155     defines += [ "SK_SUPPORT_GPU=0" ]
156   }
158   if (is_android) {
159     defines += [
160       "SK_BUILD_FOR_ANDROID",
161       "USE_CHROMIUM_SKIA",
162     ]
163   }
165   if (is_mac) {
166     defines += [ "SK_BUILD_FOR_MAC" ]
167   }
170 # Internal-facing config for Skia library code.
171 config("skia_library_config") {
172   # These include directories are only included for Skia code and are not
173   # exported to dependents. It's not clear if this is on purpose, but this
174   # matches the GYP build.
175   include_dirs = [
176     "//third_party/skia/src/image",
177     "//third_party/skia/src/opts",
178     "//third_party/skia/src/pdf",
179     "//third_party/skia/src/ports",
180     "//third_party/skia/src/sfnt",
181     "//third_party/skia/src/utils",
182     "//third_party/skia/src/lazy",
183   ]
184   if (is_mac || is_ios) {
185     include_dirs += [ "//third_party/skia/include/utils/mac" ]
186   }
187   if (is_mac) {
188     include_dirs += [ "//third_party/skia/include/utils/ios" ]
189   }
191   defines = []
193   if (component_mode == "shared_library") {
194     defines += [ "SKIA_IMPLEMENTATION=1" ]
195   }
197   if (current_cpu == "arm") {
198     if (arm_use_neon) {
199       defines += [ "SK_ARM_HAS_NEON" ]
200     }
201     if (arm_optionally_use_neon) {
202       defines += [ "SK_ARM_HAS_OPTIONAL_NEON" ]
203     }
204   }
206   # Settings for text blitting, chosen to approximate the system browser.
207   if (is_linux) {
208     defines += [
209       "SK_GAMMA_EXPONENT=1.2",
210       "SK_GAMMA_CONTRAST=0.2",
211       "SK_HIGH_QUALITY_IS_LANCZOS",
212     ]
213   } else if (is_android) {
214     defines += [
215       "SK_GAMMA_APPLY_TO_A8",
216       "SK_GAMMA_EXPONENT=1.4",
217       "SK_GAMMA_CONTRAST=0.0",
218     ]
219   } else if (is_win) {
220     defines += [
221       "SK_GAMMA_SRGB",
222       "SK_GAMMA_CONTRAST=0.5",
223       "SK_HIGH_QUALITY_IS_LANCZOS",
224     ]
225   } else if (is_mac) {
226     defines += [
227       "SK_GAMMA_SRGB",
228       "SK_GAMMA_CONTRAST=0.0",
229       "SK_HIGH_QUALITY_IS_LANCZOS",
230     ]
231   }
233   if (is_android) {
234     defines += [
235       # Android devices are typically more memory constrained, so default to a
236       # smaller glyph cache (it may be overriden at runtime when the renderer
237       # starts up, depending on the actual device memory).
238       "SK_DEFAULT_FONT_CACHE_LIMIT=1048576",  # 1024 * 1024
239     ]
240   } else {
241     defines += [ "SK_DEFAULT_FONT_CACHE_LIMIT=20971520" ]  # 20 * 1024 * 1024
242   }
244   if (is_win) {
245     include_dirs += [
246       "//third_party/skia/include/utils/win",
247       "//third_party/skia/src/utils/win",
248     ]
250     defines += [
251       # On windows, GDI handles are a scarse system-wide resource so we have to
252       # keep the glyph cache, which holds up to 4 GDI handles per entry, to a
253       # fairly small size. http://crbug.com/314387
254       "SK_DEFAULT_FONT_CACHE_COUNT_LIMIT=256",
255     ]
257     cflags = [
258       "/wd4244",  # conversion from 'type1( __int64)' to 'type2 (unsigned int)'
259       "/wd4267",  # conversion from 'size_t' (64 bit) to 'type'(32 bit).
260       "/wd4341",  # signed value is out of range for enum constant.
261       "/wd4345",  # Object is default-initialized if initialization is omitted.
262       "/wd4390",  # ';'empty statement found in looping;is it what was intended?
263       "/wd4554",  # 'operator' : check operator precedence for possible error
264       "/wd4748",  # compiler will disable optimizations if a function has inline
265                   # assembly code contains flow control(jmp or jcc) statements.
267       "/wd4800",  # forcing value to bool 'true/false'(assigning int to bool).
268     ]
269   }
272 component("skia") {
273   sources = [
274     # Chrome sources.
275     "config/SkUserConfig.h",
276     "ext/SkDiscardableMemory_chrome.cc",
277     "ext/SkDiscardableMemory_chrome.h",
278     "ext/SkMemory_new_handler.cpp",
279     "ext/analysis_canvas.cc",
280     "ext/analysis_canvas.h",
281     "ext/benchmarking_canvas.cc",
282     "ext/benchmarking_canvas.h",
283     "ext/bitmap_platform_device.h",
284     "ext/convolver.cc",
285     "ext/convolver.h",
286     "ext/event_tracer_impl.cc",
287     "ext/event_tracer_impl.h",
288     "ext/fontmgr_default_win.cc",
289     "ext/fontmgr_default_win.h",
290     "ext/google_logging.cc",
291     "ext/image_operations.cc",
292     "ext/image_operations.h",
293     "ext/opacity_draw_filter.cc",
294     "ext/opacity_draw_filter.h",
295     "ext/pixel_ref_utils.cc",
296     "ext/pixel_ref_utils.h",
297     "ext/platform_canvas.cc",
298     "ext/platform_canvas.h",
299     "ext/platform_device.cc",
300     "ext/platform_device.h",
301     "ext/platform_device_linux.cc",
302     "ext/platform_device_mac.cc",
303     "ext/platform_device_win.cc",
304     "ext/recursive_gaussian_convolution.cc",
305     "ext/recursive_gaussian_convolution.h",
306     "ext/refptr.h",
307     "ext/skia_utils_base.cc",
308     "ext/skia_utils_base.h",
309     "ext/skia_utils_ios.h",
310     "ext/skia_utils_ios.mm",
311     "ext/skia_utils_mac.h",
312     "ext/skia_utils_mac.mm",
313     "ext/skia_utils_win.cc",
314     "ext/skia_utils_win.h",
315   ]
317   # The skia gypi values are relative to the skia_dir, so we need to rebase.
318   sources += gypi_skia_core.sources
319   sources += gypi_skia_effects.sources
320   sources += gypi_skia_utils.sources
321   sources += gypi_values.skia_library_sources
323   # This and skia_opts are really the same conceptual target so share headers.
324   allow_circular_includes_from = [ ":skia_opts" ]
326   if (current_cpu == "arm") {
327     sources += [
328       "//third_party/skia/src/core/SkUtilsArm.cpp",
329       "//third_party/skia/src/core/SkUtilsArm.h",
330     ]
331   }
333   # GPU
334   if (skia_support_gpu) {
335     sources += gypi_skia_gpu.skgpu_sources
336     sources += gypi_skia_gpu.skgpu_null_gl_sources
337   }
339   # Remove unused util files include in utils.gypi
340   sources -= [
341     "//third_party/skia/include/utils/SkBoundaryPatch.h",
342     "//third_party/skia/include/utils/SkCamera.h",
343     "//third_party/skia/include/utils/SkCanvasStateUtils.h",
344     "//third_party/skia/include/utils/SkCubicInterval.h",
345     "//third_party/skia/include/utils/SkCullPoints.h",
346     "//third_party/skia/include/utils/SkDebugUtils.h",
347     "//third_party/skia/include/utils/SkDumpCanvas.h",
348     "//third_party/skia/include/utils/SkEventTracer.h",
349     "//third_party/skia/include/utils/SkFrontBufferedStream.h",
350     "//third_party/skia/include/utils/SkInterpolator.h",
351     "//third_party/skia/include/utils/SkLayer.h",
352     "//third_party/skia/include/utils/SkMeshUtils.h",
353     "//third_party/skia/include/utils/SkNinePatch.h",
354     "//third_party/skia/include/utils/SkParsePaint.h",
355     "//third_party/skia/include/utils/SkParsePath.h",
356     "//third_party/skia/include/utils/SkRandom.h",
357     "//third_party/skia/src/utils/SkBitmapHasher.cpp",
358     "//third_party/skia/src/utils/SkBitmapHasher.h",
359     "//third_party/skia/src/utils/SkBoundaryPatch.cpp",
360     "//third_party/skia/src/utils/SkCamera.cpp",
361     "//third_party/skia/src/utils/SkCanvasStack.h",
362     "//third_party/skia/src/utils/SkCubicInterval.cpp",
363     "//third_party/skia/src/utils/SkCullPoints.cpp",
364     "//third_party/skia/src/utils/SkDumpCanvas.cpp",
365     "//third_party/skia/src/utils/SkFloatUtils.h",
366     "//third_party/skia/src/utils/SkFrontBufferedStream.cpp",
367     "//third_party/skia/src/utils/SkInterpolator.cpp",
368     "//third_party/skia/src/utils/SkLayer.cpp",
369     "//third_party/skia/src/utils/SkMD5.cpp",
370     "//third_party/skia/src/utils/SkMD5.h",
371     "//third_party/skia/src/utils/SkMeshUtils.cpp",
372     "//third_party/skia/src/utils/SkNinePatch.cpp",
373     "//third_party/skia/src/utils/SkOSFile.cpp",
374     "//third_party/skia/src/utils/SkParsePath.cpp",
375     "//third_party/skia/src/utils/SkPathUtils.cpp",
376     "//third_party/skia/src/utils/SkSHA1.cpp",
377     "//third_party/skia/src/utils/SkSHA1.h",
378     "//third_party/skia/src/utils/SkTFitsIn.h",
379     "//third_party/skia/src/utils/SkTLogic.h",
381     # We don't currently need to change thread affinity, so leave out this complexity for now.
382     "//third_party/skia/src/utils/SkThreadUtils_pthread_linux.cpp",
383     "//third_party/skia/src/utils/SkThreadUtils_pthread_mach.cpp",
385     #testing
386     "//third_party/skia/src/fonts/SkGScalerContext.cpp",
387     "//third_party/skia/src/fonts/SkGScalerContext.h",
388   ]
390   if (is_win) {
391     sources -= [
392       # Keeping _win.cpp
393       "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
394       "//third_party/skia/src/utils/SkThreadUtils_pthread_other.cpp",
395     ]
396   } else {
397     sources -= [
398       # Keeping _pthread.cpp and _pthread_other.cpp.
399       "//third_party/skia/src/utils/SkThreadUtils_win.cpp",
400     ]
401   }
403   # need separate win section to handle chromes auto gn filter
404   # (build/config/BUILDCONFIG.gn)
405   if (is_win) {
406     sources -= [
407       #windows
408       "//third_party/skia/include/utils/win/SkAutoCoInitialize.h",
409       "//third_party/skia/include/utils/win/SkHRESULT.h",
410       "//third_party/skia/include/utils/win/SkIStream.h",
411       "//third_party/skia/include/utils/win/SkTScopedComPtr.h",
412       "//third_party/skia/src/utils/win/SkAutoCoInitialize.cpp",
413       "//third_party/skia/src/utils/win/SkIStream.cpp",
414       "//third_party/skia/src/utils/win/SkWGL_win.cpp",
415     ]
416   }
418   if (is_android && (!enable_basic_printing && !enable_print_preview)) {
419     sources -= [ "ext/skia_utils_base.cc" ]
420   }
422   # Fixup skia library sources.
423   if (is_win) {
424     sources -= [
425       "//third_party/skia/src/ports/SkOSFile_posix.cpp",
426       "//third_party/skia/src/ports/SkTLS_pthread.cpp",
427       "//third_party/skia/src/ports/SkTime_Unix.cpp",
428     ]
429   } else {
430     sources -= [
431       "//third_party/skia/src/ports/SkFontHost_win.cpp",
432       "//third_party/skia/src/ports/SkFontMgr_win_dw.cpp",
433       "//third_party/skia/src/ports/SkOSFile_win.cpp",
434       "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp",
435       "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp",
436       "//third_party/skia/src/ports/SkScalerContext_win_dw.h",
437       "//third_party/skia/src/ports/SkTLS_win.cpp",
438       "//third_party/skia/src/ports/SkTypeface_win_dw.cpp",
439       "//third_party/skia/src/ports/SkTypeface_win_dw.h",
440     ]
441   }
442   if (!is_android) {
443     sources -= [
444       "//third_party/skia/src/ports/SkFontConfigParser_android.cpp",
445       "//third_party/skia/src/ports/SkFontMgr_android.cpp",
446     ]
447   }
448   if (!is_mac) {
449     sources -= [ "//third_party/skia/src/ports/SkFontHost_mac.cpp" ]
450   }
452   if (!is_linux) {
453     sources -= [
454       "//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
455       "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
456       "//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
457     ]
458   }
460   if (!is_linux && !is_android) {
461     sources -= [
462       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
463       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
464     ]
465   }
467   # Select the right BitmapPlatformDevice.
468   if (is_win) {
469     sources += [
470       "ext/bitmap_platform_device_win.cc",
471       "ext/bitmap_platform_device_win.h",
472     ]
473   } else if (is_mac) {
474     sources += [
475       "ext/bitmap_platform_device_mac.cc",
476       "ext/bitmap_platform_device_mac.h",
477     ]
478   } else if (use_cairo) {
479     sources += [
480       "ext/bitmap_platform_device_cairo.cc",
481       "ext/bitmap_platform_device_cairo.h",
482     ]
483   } else {
484     sources += [
485       "ext/bitmap_platform_device_skia.cc",
486       "ext/bitmap_platform_device_skia.h",
487     ]
488   }
490   if (is_clang) {
491     # Skia won't compile with some of the more strict clang warnings.
492     # e.g. it does:
493     #  SkASSERT(!"sk_out_of_memory");
494     configs -= [ "//build/config/clang:extra_warnings" ]
495   }
497   configs -= [ "//build/config/compiler:chromium_code" ]
498   configs += [
499     ":skia_library_config",
500     "//build/config/compiler:no_chromium_code",
501   ]
502   public_configs = [ ":skia_config" ]
504   deps = [
505     ":skia_opts",
506     "//base",
507     "//base/third_party/dynamic_annotations",
508     "//third_party/zlib",
509   ]
511   if (is_linux) {
512     configs += [
513       "//build/config/linux:fontconfig",
514       "//build/config/linux:freetype2",
515     ]
516     if (use_pango) {
517       configs += [ "//build/config/linux:pangocairo" ]
518     }
519     deps += [ "//third_party/icu:icuuc" ]
520   }
522   if (is_android) {
523     set_sources_assignment_filter([])
524     sources += [ "ext/platform_device_linux.cc" ]
525     set_sources_assignment_filter(sources_assignment_filter)
526     deps += [
527       "//third_party/expat",
528       "//third_party/freetype",
529       "//third_party/android_tools:cpu_features",
530     ]
531   }
533   if (skia_support_pdf) {
534     deps += [ "//third_party/sfntly" ]
535     sources += gypi_skia_pdf.sources
536   }
538   if (is_android && !is_debug) {
539     configs -= [ "//build/config/compiler:optimize" ]
540     configs += [ "//build/config/compiler:optimize_max" ]
541   }
544 # Separated out so it can be compiled with different flags for SSE.
545 source_set("skia_opts") {
546   cflags = []
547   defines = []
549   if (current_cpu == "x86" || current_cpu == "x64") {
550     sources = gypi_skia_opts.sse2_sources + gypi_skia_opts.ssse3_sources +
551               gypi_skia_opts.sse41_sources +
552               [
553                 # Chrome-specific.
554                 "ext/convolver_SSE2.cc",
555               ]
557     if (is_linux || is_mac) {
558       cflags += [ "-msse4.1" ]
559     }
560   } else if (current_cpu == "arm") {
561     # The assembly uses the frame pointer register (r7 in Thumb/r11 in
562     # ARM), the compiler doesn't like that.
563     cflags += [ "-fomit-frame-pointer" ]
565     if (arm_version >= 7) {
566       sources = gypi_skia_opts.armv7_sources
567       if (arm_use_neon || arm_optionally_use_neon) {
568         sources += gypi_skia_opts.neon_sources
570         # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
571         # when running this.
572         if (!arm_use_neon) {
573           configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
574           cflags += [ "-mfpu=neon" ]
575         }
576       }
577     } else {
578       sources = gypi_skia_opts.none_sourcees
579     }
580   } else if (current_cpu == "mipsel") {
581     cflags += [ "-fomit-frame-pointer" ]
582     sources = gypi_skia_opts.none_sources
583   } else {
584     assert(false, "Need to port cpu specific stuff from skia_library_opts.gyp")
585   }
587   if (is_android && !is_debug) {
588     configs -= [ "//build/config/compiler:optimize" ]
589     configs += [ "//build/config/compiler:optimize_max" ]
590   }
592   configs -= [ "//build/config/compiler:chromium_code" ]
593   configs += [
594     ":skia_config",
595     ":skia_library_config",
596     "//build/config/compiler:no_chromium_code",
597   ]
599   deps = [
600     "//base",
601   ]
603   visibility = [ ":skia" ]
606 test("skia_unittests") {
607   sources = [
608     "ext/analysis_canvas_unittest.cc",
609     "ext/bitmap_platform_device_mac_unittest.cc",
610     "ext/convolver_unittest.cc",
611     "ext/image_operations_unittest.cc",
612     "ext/pixel_ref_utils_unittest.cc",
613     "ext/platform_canvas_unittest.cc",
614     "ext/recursive_gaussian_convolution_unittest.cc",
615     "ext/refptr_unittest.cc",
616     "ext/skia_utils_ios_unittest.mm",
617     "ext/skia_utils_mac_unittest.mm",
618   ]
620   if (!is_win && !is_mac) {
621     sources -= [ "ext/platform_canvas_unittest.cc" ]
622   }
624   deps = [
625     ":skia",
626     "//base",
627     "//base/test:run_all_unittests",
628     "//cc:test_support",  # TODO: Fix this test to not depend on cc.
629     "//testing/gtest",
630     "//ui/gfx",
631     "//ui/gfx/geometry",
632   ]
635 if (is_linux && !is_chromeos) {
636   # TODO(GYP): Figure out which of these work and are needed on other platforms.
637   executable("image_operations_bench") {
638     sources = [
639       "ext/image_operations_bench.cc",
640     ]
642     deps = [
643       ":skia",
644       "//base",
645     ]
646   }
648   executable("filter_fuzz_stub") {
649     sources = [
650       "tools/filter_fuzz_stub/filter_fuzz_stub.cc",
651     ]
653     deps = [
654       ":skia",
655       "//base",
656     ]
657   }