Add a class representing texture swizzle.

include/gpu/GrTypesPriv.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTypesPriv_DEFINED
 #define GrTypesPriv_DEFINED
 
 #include "GrTypes.h"
 #include "SkTArray.h"
 #include "SkRect.h"
 
-/**
- * Types of shader-language-specific boxed variables we can create. (Currently only GrGLShaderVars,
- * but should be applicable to other shader languages.)
- */
+ /**
+  * Types of shader-language-specific boxed variables we can create. (Currently only GrGLShaderVars,
+  * but should be applicable to other shader languages.)
+  */
 enum GrSLType {
     kVoid_GrSLType,
     kFloat_GrSLType,
     kVec2f_GrSLType,
     kVec3f_GrSLType,
     kVec4f_GrSLType,
     kMat33f_GrSLType,
     kMat44f_GrSLType,
     kSampler2D_GrSLType,
     kSamplerExternal_GrSLType,
@@ skipping 254 matching lines @@
 // Takes a pointer to a GrCaps, and will suppress prints if required
 #define GrCapsDebugf(caps, ...)         \
     if (!caps->suppressPrints()) {      \
         SkDebugf(__VA_ARGS__);          \
     }
 #else
 #define GrCapsDebugf(caps, ...)
 #endif
 
 #endif