Make GrGLShaderBuilder::TextureSampler extract only required info from GrTextureAccess.

include/gpu/GrTypes.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.
  */
 
 
 
@@ skipping 266 matching lines @@
     kRGBA_4444_GrPixelConfig,
     /**
      * Premultiplied. Byte order is r,g,b,a.
      */
     kRGBA_8888_GrPixelConfig,
     /**
      * Premultiplied. Byte order is b,g,r,a.
      */
     kBGRA_8888_GrPixelConfig,
 
-    kGrPixelConfigCount
+    kLast_GrPixelConfig = kBGRA_8888_GrPixelConfig
 };
+static const int kGrPixelConfigCnt = kLast_GrPixelConfig + 1;
 
 // Aliases for pixel configs that match skia's byte order.
 #ifndef SK_CPU_LENDIAN
     #error "Skia gpu currently assumes little endian"
 #endif
 #if SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
     static const GrPixelConfig kSkia8888_GrPixelConfig = kBGRA_8888_GrPixelConfig;
 #elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
     static const GrPixelConfig kSkia8888_GrPixelConfig = kRGBA_8888_GrPixelConfig;
 #else
@@ skipping 324 matching lines @@
     /**
      * Handle to the 3D API object.
      * OpenGL: FBO ID
      */
     GrBackendObject                 fRenderTargetHandle;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #endif