sRGB support in Ganesh. Several pieces:

include/gpu/SkGr.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkGr_DEFINED
 #define SkGr_DEFINED
 
 #include "GrColor.h"
 #include "GrTextureAccess.h"
 #include "SkColor.h"
 #include "SkColorPriv.h"
 #include "SkFilterQuality.h"
 #include "SkImageInfo.h"
 
+class GrCaps;
 class GrContext;
 class GrTexture;
 class GrTextureParams;
 class SkBitmap;
 
 ////////////////////////////////////////////////////////////////////////////////
 // Sk to Gr Type conversions
 
 static inline GrColor SkColorToPremulGrColor(SkColor c) {
     SkPMColor pm = SkPreMultiplyColor(c);
@@ skipping 35 matching lines @@
                            SkGetPackedA32(c));
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 /** Returns a texture representing the bitmap that is compatible with the GrTextureParams. The
     texture is inserted into the cache (unless the bitmap is marked volatile) and can be
     retrieved again via this function. */
 GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams&);
 
 // TODO: Move SkImageInfo2GrPixelConfig to SkGrPriv.h (requires cleanup to SkWindow its subclasses).
-GrPixelConfig SkImageInfo2GrPixelConfig(SkColorType, SkAlphaType, SkColorProfileType);
+GrPixelConfig SkImageInfo2GrPixelConfig(SkColorType, SkAlphaType, SkColorProfileType, const GrCaps&);
 
-static inline GrPixelConfig SkImageInfo2GrPixelConfig(const SkImageInfo& info) {
-    return SkImageInfo2GrPixelConfig(info.colorType(), info.alphaType(), info.profileType());
+static inline GrPixelConfig SkImageInfo2GrPixelConfig(const SkImageInfo& info, const GrCaps& caps) {
+    return SkImageInfo2GrPixelConfig(info.colorType(), info.alphaType(), info.profileType(), caps);
 }
 
 GrTextureParams::FilterMode GrSkFilterQualityToGrFilterMode(SkFilterQuality paintFilterQuality,
                                                             const SkMatrix& viewM,
                                                             const SkMatrix& localM,
                                                             bool* doBicubic);
 
 ////////////////////////////////////////////////////////////////////////////////
 
 SkImageInfo GrMakeInfoFromTexture(GrTexture* tex, int w, int h, bool isOpaque);
 
 // Using the dreaded SkGrPixelRef ...
 SK_API void GrWrapTextureInBitmap(GrTexture* src, int w, int h, bool isOpaque,
                                   SkBitmap* dst);
 
 #endif