Auto-compare GrProcessors' texture accesses in isEqual().

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 103 matching lines @@
     // Why did we pollute our texture cache instead of using a GrSingleTextureEffect?
     SkASSERT(swapRedAndBlue || kNone_PMConversion != pmConversion);
 }
 
 const GrBackendFragmentProcessorFactory& GrConfigConversionEffect::getFactory() const {
     return GrTBackendFragmentProcessorFactory<GrConfigConversionEffect>::getInstance();
 }
 
 bool GrConfigConversionEffect::onIsEqual(const GrFragmentProcessor& s) const {
     const GrConfigConversionEffect& other = s.cast<GrConfigConversionEffect>();
-    return this->texture(0) == s.texture(0) &&
-           other.fSwapRedAndBlue == fSwapRedAndBlue &&
+    return other.fSwapRedAndBlue == fSwapRedAndBlue &&
            other.fPMConversion == fPMConversion;
 }
 
 void GrConfigConversionEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
     this->updateInvariantOutputForModulation(inout);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConfigConversionEffect);
@@ skipping 139 matching lines @@
             kNone_PMConversion != pmConversion) {
             // The PM conversions assume colors are 0..255
             return NULL;
         }
         return SkNEW_ARGS(GrConfigConversionEffect, (texture,
                                                      swapRedAndBlue,
                                                      pmConversion,
                                                      matrix));
     }
 }