sRGB support in Ganesh. Several pieces:

src/gpu/SkGr.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkGr.h"
 #include "SkGrPriv.h"
@@ skipping 351 matching lines @@
     switch (ct) {
         case kUnknown_SkColorType:
             return kUnknown_GrPixelConfig;
         case kAlpha_8_SkColorType:
             return kAlpha_8_GrPixelConfig;
         case kRGB_565_SkColorType:
             return kRGB_565_GrPixelConfig;
         case kARGB_4444_SkColorType:
             return kRGBA_4444_GrPixelConfig;
         case kRGBA_8888_SkColorType:
-            //if (kSRGB_SkColorProfileType == pt) {
-            //    return kSRGBA_8888_GrPixelConfig;
-            //}
-            return kRGBA_8888_GrPixelConfig;
+            return (kSRGB_SkColorProfileType == pt)
+                ? kSRGBA_8888_GrPixelConfig

[bsalomon, 2016/03/11 23:16:19]

Should we fail if pt is srgb but ct is not rgba_8888 or bgra_8888?

[Brian Osman, 2016/03/17 14:32:04]

Done.

+                : kRGBA_8888_GrPixelConfig;
         case kBGRA_8888_SkColorType:
-            return kBGRA_8888_GrPixelConfig;
+            return (kSRGB_SkColorProfileType == pt)
+                ? kSBGRA_8888_GrPixelConfig
+                : kBGRA_8888_GrPixelConfig;
         case kIndex_8_SkColorType:
             return kIndex_8_GrPixelConfig;
         case kGray_8_SkColorType:
             return kAlpha_8_GrPixelConfig; // TODO: gray8 support on gpu
         case kRGBA_F16_SkColorType:
             return kRGBA_half_GrPixelConfig;
     }
     SkASSERT(0);    // shouldn't get here
     return kUnknown_GrPixelConfig;
 }
@@ skipping 18 matching lines @@
         case kRGBA_8888_GrPixelConfig:
             ct = kRGBA_8888_SkColorType;
             break;
         case kBGRA_8888_GrPixelConfig:
             ct = kBGRA_8888_SkColorType;
             break;
         case kSRGBA_8888_GrPixelConfig:
             ct = kRGBA_8888_SkColorType;
             pt = kSRGB_SkColorProfileType;
             break;
+        case kSBGRA_8888_GrPixelConfig:
+            ct = kBGRA_8888_SkColorType;
+            pt = kSRGB_SkColorProfileType;
+            break;
         default:
             return false;
     }
     if (ctOut) {
         *ctOut = ct;
     }
     if (ptOut) {
         *ptOut = pt;
     }
     return true;
@@ skipping 269 matching lines @@
             SkErrorInternals::SetError( kInvalidPaint_SkError,
                                         "Sorry, I don't understand the filtering "
                                         "mode you asked for.  Falling back to "
                                         "MIPMaps.");
             textureFilterMode = GrTextureParams::kMipMap_FilterMode;
             break;
 
     }
     return textureFilterMode;
 }