Gamma-correctness pushed into Skia, top-down.

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 803 matching lines @@
 #if SK_SUPPORT_GPU
     if (gpu_supported()) {
         if (const SkCommandLineConfigGpu* gpuConfig = config->asConfigGpu()) {
             GrContextFactory::ContextType contextType = gpuConfig->getContextType();
             GrContextFactory::ContextOptions contextOptions =
                     GrContextFactory::kNone_ContextOptions;
             if (gpuConfig->getUseNVPR()) {
                 contextOptions = static_cast<GrContextFactory::ContextOptions>(
                     contextOptions | GrContextFactory::kEnableNVPR_ContextOptions);
             }
-            if (kSRGB_SkColorProfileType == gpuConfig->getProfileType() ||
-                kRGBA_F16_SkColorType == gpuConfig->getColorType()) {
+            if (SkColorAndProfileAreGammaCorrect(gpuConfig->getColorType(),
+                                                 gpuConfig->getProfileType())) {
                 contextOptions = static_cast<GrContextFactory::ContextOptions>(
                     contextOptions | GrContextFactory::kRequireSRGBSupport_ContextOptions);
             }
             GrContextFactory testFactory;
             if (!testFactory.get(contextType, contextOptions)) {
                 info("WARNING: can not create GPU context for config '%s'. "
                      "GM tests will be skipped.\n", gpuConfig->getTag().c_str());
                 return nullptr;
             }
             return new GPUSink(contextType, contextOptions, gpuConfig->getSamples(),
@@ skipping 325 matching lines @@
         done(task.sink.tag.c_str(), task.src.tag.c_str(), task.src.options.c_str(), name.c_str());
     }
 
     static void WriteToDisk(const Task& task,
                             SkString md5,
                             const char* ext,
                             SkStream* data, size_t len,
                             const SkBitmap* bitmap) {
         bool gammaCorrect = false;
         if (bitmap) {
-            gammaCorrect = bitmap->profileType() == kSRGB_SkColorProfileType
-                        || bitmap->  colorType() == kRGBA_F16_SkColorType;
+            gammaCorrect = SkImageInfoIsGammaCorrect(bitmap->info());
         }
 
         JsonWriter::BitmapResult result;
         result.name          = task.src->name();
         result.config        = task.sink.tag;
         result.sourceType    = task.src.tag;
         result.sourceOptions = task.src.options;
         result.ext           = ext;
         result.gammaCorrect  = gammaCorrect;
         result.md5           = md5;
@@ skipping 317 matching lines @@
                                                            Reporter* reporter,
                                                            GrContextFactory* factory);
 } // namespace skiatest
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif