Add isSingleComponent bool to getConstantColorComponent

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 276 matching lines @@
 public:
     static GrFragmentProcessor* Create(GrTexture* texture, unsigned flags) {
         return SkNEW_ARGS(ColorTableEffect, (texture, flags));
     }
 
     virtual ~ColorTableEffect();
 
     static const char* Name() { return "ColorTable"; }
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
     typedef GLColorTableEffect GLProcessor;
 
 private:
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
+    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
-                            // getConstantColorComponents().
+                            // onComputeInvariantOutput().
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 class GLColorTableEffect : public GrGLFragmentProcessor {
 public:
     GLColorTableEffect(const GrBackendProcessorFactory&, const GrProcessor&);
 
     virtual void emitCode(GrGLProgramBuilder*,
                           const GrFragmentProcessor&,
@@ skipping 73 matching lines @@
 }
 
 const GrBackendFragmentProcessorFactory&  ColorTableEffect::getFactory() const {
     return GrTBackendFragmentProcessorFactory<ColorTableEffect>::getInstance();
 }
 
 bool ColorTableEffect::onIsEqual(const GrProcessor& sBase) const {
     return this->texture(0) == sBase.texture(0);
 }
 
-void ColorTableEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+void ColorTableEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
     // If we kept the table in the effect then we could actually run known inputs through the
     // table.
     if (fFlags & SkTable_ColorFilter::kR_Flag) {
-        *validFlags &= ~kR_GrColorComponentFlag;
+        inout->fValidFlags &= ~kR_GrColorComponentFlag;
     }
     if (fFlags & SkTable_ColorFilter::kG_Flag) {
-        *validFlags &= ~kG_GrColorComponentFlag;
+        inout->fValidFlags &= ~kG_GrColorComponentFlag;
     }
     if (fFlags & SkTable_ColorFilter::kB_Flag) {
-        *validFlags &= ~kB_GrColorComponentFlag;
+        inout->fValidFlags &= ~kB_GrColorComponentFlag;
     }
     if (fFlags & SkTable_ColorFilter::kA_Flag) {
-        *validFlags &= ~kA_GrColorComponentFlag;
+        inout->fValidFlags &= ~kA_GrColorComponentFlag;
     }
+    inout->fIsSingleComponent = false;
 }
 
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ColorTableEffect);
 
 GrFragmentProcessor* ColorTableEffect::TestCreate(SkRandom* random,
                                                   GrContext* context,
                                                   const GrDrawTargetCaps&,
@@ skipping 41 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