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

src/effects/SkColorCubeFilter.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 "SkColorCubeFilter.h"
 #include "SkColorPriv.h"
 #include "SkOnce.h"
@@ skipping 214 matching lines @@
         virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE;
 
     private:
         GrGLProgramDataManager::UniformHandle fColorCubeSizeUni;
         GrGLProgramDataManager::UniformHandle fColorCubeInvSizeUni;
 
         typedef GrGLFragmentProcessor INHERITED;
     };
 
 private:
-    virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE;
+    virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE { return true; }
 
     GrColorCubeEffect(GrTexture* colorCube);
 
     GrCoordTransform    fColorCubeTransform;
     GrTextureAccess     fColorCubeAccess;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrColorCubeEffect::GrColorCubeEffect(GrTexture* colorCube)
     : fColorCubeTransform(kLocal_GrCoordSet, colorCube)
     , fColorCubeAccess(colorCube, "bgra", GrTextureParams::kBilerp_FilterMode) {
     this->addCoordTransform(&fColorCubeTransform);
     this->addTextureAccess(&fColorCubeAccess);
 }
 
 GrColorCubeEffect::~GrColorCubeEffect() {
 }
 
-bool GrColorCubeEffect::onIsEqual(const GrFragmentProcessor& sBase) const {
-    const GrColorCubeEffect& s = sBase.cast<GrColorCubeEffect>();
-    return fColorCubeAccess.getTexture() == s.fColorCubeAccess.getTexture();
-}
-
 const GrBackendFragmentProcessorFactory& GrColorCubeEffect::getFactory() const {
     return GrTBackendFragmentProcessorFactory<GrColorCubeEffect>::getInstance();
 }
 
 void GrColorCubeEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
     inout->setToUnknown();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ skipping 93 matching lines @@
         static_cast<GrTexture*>(context->findAndRefCachedResource(
             GrTexturePriv::ComputeKey(context->getGpu(), NULL, desc, cacheID))));
 
     if (!textureCube) {
         textureCube.reset(context->createTexture(NULL, desc, cacheID, fCubeData->data(), 0));
     }
 
     return textureCube ? GrColorCubeEffect::Create(textureCube) : NULL;
 }
 #endif