spriteblitter for memcpy case (for all configs)

include/core/SkBitmap.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkBitmap_DEFINED
 #define SkBitmap_DEFINED
 
@@ skipping 87 matching lines @@
      *  If the colortype is kUnknown_SkColorType, then 0 is returned.
      */
     int rowBytesAsPixels() const {
         return fRowBytes >> this->shiftPerPixel();
     }
 
     /**
      *  Return the shift amount per pixel (i.e. 0 for 1-byte per pixel, 1 for 2-bytes per pixel
      *  colortypes, 2 for 4-bytes per pixel colortypes). Return 0 for kUnknown_SkColorType.
      */
-    int shiftPerPixel() const { return this->bytesPerPixel() >> 1; }
+    int shiftPerPixel() const { return this->fInfo.shiftPerPixel(); }
 
     ///////////////////////////////////////////////////////////////////////////
 
     /** Return true iff the bitmap has empty dimensions.
      *  Hey!  Before you use this, see if you really want to know drawsNothing() instead.
      */
     bool empty() const { return fInfo.isEmpty(); }
 
     /** Return true iff the bitmap has no pixelref. Note: this can return true even if the
      *  dimensions of the bitmap are > 0 (see empty()).
@@ skipping 706 matching lines @@
 
 inline SkPMColor SkBitmap::getIndex8Color(int x, int y) const {
     SkASSERT(fPixels);
     SkASSERT(kIndex_8_SkColorType == this->colorType());
     SkASSERT((unsigned)x < (unsigned)this->width() && (unsigned)y < (unsigned)this->height());
     SkASSERT(fColorTable);
     return (*fColorTable)[*((const uint8_t*)fPixels + y * fRowBytes + x)];
 }
 
 #endif