blitters for sRGB and float16

src/image/SkSurface_Raster.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSurface_Base.h"
 #include "SkImagePriv.h"
 #include "SkCanvas.h"
@@ skipping 39 matching lines @@
     switch (info.colorType()) {
         case kAlpha_8_SkColorType:
             shift = 0;
             break;
         case kRGB_565_SkColorType:
             shift = 1;
             break;
         case kN32_SkColorType:
             shift = 2;
             break;
+        case kRGBA_F16_SkColorType:
+            shift = 3;
+            break;
         default:
             return false;
     }
 
     if (kIgnoreRowBytesValue == rowBytes) {
         return true;
     }
 
     uint64_t minRB = (uint64_t)info.width() << shift;
     if (minRB > rowBytes) {
@@ skipping 126 matching lines @@
     }
     if (rowBytes) {
         SkASSERT(pr->rowBytes() == rowBytes);
     }
     return new SkSurface_Raster(pr, props);
 }
 
 SkSurface* SkSurface::NewRaster(const SkImageInfo& info, const SkSurfaceProps* props) {
     return NewRaster(info, 0, props);
 }