Revert of Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrYUVtoRGBEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/builders/GrGLProgramBuilder.h"
 #include "GrYUVtoRGBEffect.h"
 
@@ skipping 10 matching lines @@
                                        GrTexture* vTexture, SkYUVColorSpace colorSpace) {
         return SkNEW_ARGS(YUVtoRGBEffect, (yTexture, uTexture, vTexture, colorSpace));
     }
 
     static const char* Name() { return "YUV to RGB"; }
 
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE {
         return GrTBackendFragmentProcessorFactory<YUVtoRGBEffect>::getInstance();
     }
 
+    virtual void getConstantColorComponents(GrColor* color,
+                                            uint32_t* validFlags) const SK_OVERRIDE {
+        // YUV is opaque
+        *color = 0xFF;
+        *validFlags = kA_GrColorComponentFlag;
+    }
+
     SkYUVColorSpace getColorSpace() const {
         return fColorSpace;
     }
 
     class GLProcessor : public GrGLFragmentProcessor {
     public:
         static const GrGLfloat kJPEGConversionMatrix[16];
         static const GrGLfloat kRec601ConversionMatrix[16];
 
         // this class always generates the same code.
@@ skipping 62 matching lines @@
     }
 
     virtual bool onIsEqual(const GrProcessor& sBase) const {
         const YUVtoRGBEffect& s = sBase.cast<YUVtoRGBEffect>();
         return fYAccess.getTexture() == s.fYAccess.getTexture() &&
                fUAccess.getTexture() == s.fUAccess.getTexture() &&
                fVAccess.getTexture() == s.fVAccess.getTexture() &&
                fColorSpace == s.getColorSpace();
     }
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE {
-        // YUV is opaque
-        inout->fColor = 0xFF;
-        inout->fValidFlags = kA_GrColorComponentFlag;
-        inout->fIsSingleComponent = false;
-    }
-
     GrCoordTransform fCoordTransform;
     GrTextureAccess fYAccess;
     GrTextureAccess fUAccess;
     GrTextureAccess fVAccess;
     SkYUVColorSpace fColorSpace;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 const GrGLfloat YUVtoRGBEffect::GLProcessor::kJPEGConversionMatrix[16] = {
     1.0f,  0.0f,      1.402f,  -0.701f,
     1.0f, -0.34414f, -0.71414f, 0.529f,
     1.0f,  1.772f,    0.0f,    -0.886f,
     0.0f,  0.0f,      0.0f,     1.0};
 const GrGLfloat YUVtoRGBEffect::GLProcessor::kRec601ConversionMatrix[16] = {
     1.164f,  0.0f,    1.596f, -0.87075f,
     1.164f, -0.391f, -0.813f,  0.52925f,
     1.164f,  2.018f,  0.0f,   -1.08175f,
     0.0f,    0.0f,    0.0f,    1.0};
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrFragmentProcessor*
 GrYUVtoRGBEffect::Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture,
                          SkYUVColorSpace colorSpace) {
     return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture, colorSpace);
 }