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

src/effects/SkTableColorFilter.cpp

 
 #include "SkBitmap.h"
 #include "SkTableColorFilter.h"
 #include "SkColorPriv.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkUnPreMultiply.h"
 #include "SkString.h"
 
 class SkTable_ColorFilter : public SkColorFilter {
@@ skipping 279 matching lines @@
     }
 
     virtual ~ColorTableEffect();
 
     static const char* Name() { return "ColorTable"; }
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
     typedef GLColorTableEffect GLProcessor;
 
 private:
-    virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE;
+    virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE{ return true; }
 
     virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
 
     explicit ColorTableEffect(GrTexture* texture, unsigned flags);
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     GrTextureAccess fTextureAccess;
     unsigned        fFlags; // currently not used in shader code, just to assist
                             // onComputeInvariantOutput().
@@ skipping 79 matching lines @@
     this->addTextureAccess(&fTextureAccess);
 }
 
 ColorTableEffect::~ColorTableEffect() {
 }
 
 const GrBackendFragmentProcessorFactory&  ColorTableEffect::getFactory() const {
     return GrTBackendFragmentProcessorFactory<ColorTableEffect>::getInstance();
 }
 
-bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& sBase) const {
-    return this->texture(0) == sBase.texture(0);
-}
-
 void ColorTableEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
     // If we kept the table in the effect then we could actually run known inputs through the
     // table.
     uint8_t invalidateFlags = 0;
     if (fFlags & SkTable_ColorFilter::kR_Flag) {
         invalidateFlags |= kR_GrColorComponentFlag;
     }
     if (fFlags & SkTable_ColorFilter::kG_Flag) {
         invalidateFlags |= kG_GrColorComponentFlag;
     }
@@ skipping 48 matching lines @@
 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256],
                                               const uint8_t tableR[256],
                                               const uint8_t tableG[256],
                                               const uint8_t tableB[256]) {
     return SkNEW_ARGS(SkTable_ColorFilter, (tableA, tableR, tableG, tableB));
 }
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END