Progress on gamma-correctness in the GPU backend. Fixed conversion of color and profile type to pix…

dm/DMSrcSink.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef DMSrcSink_DEFINED
 #define DMSrcSink_DEFINED
 
@@ skipping 195 matching lines @@
 
     Error draw(const Src& src, SkBitmap*, SkWStream*, SkString*) const override;
     const char* fileExtension() const override { return ""; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kNull, SinkFlags::kDirect }; }
 };
 
 
 class GPUSink : public Sink {
 public:
     GPUSink(GrContextFactory::GLContextType, GrContextFactory::GLContextOptions,
-            int samples, bool diText, bool threaded);
+            int samples, bool diText, SkColorType colorType, SkColorProfileType profileType,
+            bool threaded);
 
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
     bool serial() const override { return !fThreaded; }
     const char* fileExtension() const override { return "png"; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kGPU, SinkFlags::kDirect }; }
 private:
     GrContextFactory::GLContextType    fContextType;
     GrContextFactory::GLContextOptions fContextOptions;
     int                                fSampleCount;
     bool                               fUseDIText;
+    SkColorType                        fColorType;
+    SkColorProfileType                 fProfileType;
     bool                               fThreaded;
 };
 
 class PDFSink : public Sink {
 public:
     PDFSink(const char* rasterizer);
 
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
     const char* fileExtension() const override { return "pdf"; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kVector, SinkFlags::kDirect }; }
@@ skipping 122 matching lines @@
 
 class ViaMojo : public Via {
 public:
     explicit ViaMojo(Sink* sink) : Via(sink) {}
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
 };
 
 }  // namespace DM
 
 #endif//DMSrcSink_DEFINED