Move GrInvariantOutput out of GrProcessor and into its own class.

src/effects/gradients/SkGradientShaderPriv.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkGradientShaderPriv_DEFINED
 #define SkGradientShaderPriv_DEFINED
 
@@ skipping 285 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #if SK_SUPPORT_GPU
 
 #include "GrCoordTransform.h"
 #include "GrFragmentProcessor.h"
 #include "gl/GrGLProcessor.h"
 
 class GrFragmentStage;
 class GrBackendProcessorFactory;
+class GrInvariantOutput;
 
 /*
  * The interpretation of the texture matrix depends on the sample mode. The
  * texture matrix is applied both when the texture coordinates are explicit
  * and  when vertex positions are used as texture  coordinates. In the latter
  * case the texture matrix is applied to the pre-view-matrix position
  * values.
  *
  * Normal SampleMode
  *  The post-matrix texture coordinates are in normalize space with (0,0) at
@@ skipping 52 matching lines @@
         passed to the gradient factory rather than the array.
     */
     static const int kMaxRandomGradientColors = 4;
     static int RandomGradientParams(SkRandom* r,
                                     SkColor colors[kMaxRandomGradientColors],
                                     SkScalar** stops,
                                     SkShader::TileMode* tm);
 
     virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE;
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
+    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE;
 
     const GrCoordTransform& getCoordTransform() const { return fCoordTransform; }
 
 private:
     static const GrCoordSet kCoordSet = kLocal_GrCoordSet;
 
     GrCoordTransform fCoordTransform;
     GrTextureAccess fTextureAccess;
     SkScalar fYCoord;
     GrTextureStripAtlas* fAtlas;
@@ skipping 78 matching lines @@
     GrGLProgramDataManager::UniformHandle fColorStartUni;
     GrGLProgramDataManager::UniformHandle fColorMidUni;
     GrGLProgramDataManager::UniformHandle fColorEndUni;
 
     typedef GrGLFragmentProcessor INHERITED;
 };
 
 #endif
 
 #endif