Create helper functions to use in computeInvariantOutput calls

src/gpu/effects/GrConfigConversionEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConfigConversionEffect.h"
 #include "GrContext.h"
 #include "GrTBackendProcessorFactory.h"
@@ skipping 110 matching lines @@
 
 bool GrConfigConversionEffect::onIsEqual(const GrProcessor& s) const {
     const GrConfigConversionEffect& other = s.cast<GrConfigConversionEffect>();
     return this->texture(0) == s.texture(0) &&
            other.fSwapRedAndBlue == fSwapRedAndBlue &&
            other.fPMConversion == fPMConversion;
 }
 
 void GrConfigConversionEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
     this->updateInvariantOutputForModulation(inout);
-    inout->fIsSingleComponent = false;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConfigConversionEffect);
 
 GrFragmentProcessor* GrConfigConversionEffect::TestCreate(SkRandom* random,
                                                           GrContext*,
                                                           const GrDrawTargetCaps&,
                                                           GrTexture* textures[]) {
@@ skipping 134 matching lines @@
             kNone_PMConversion != pmConversion) {
             // The PM conversions assume colors are 0..255
             return NULL;
         }
         return SkNEW_ARGS(GrConfigConversionEffect, (texture,
                                                      swapRedAndBlue,
                                                      pmConversion,
                                                      matrix));
     }
 }