Add isSingleComponent bool to getConstantColorComponent

src/effects/SkTableColorFilter.cpp

Index: src/effects/SkTableColorFilter.cpp
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 4853f73e5c1e7461500b4906a6d145f9275ece65..f6726ca0782f79cb5ecf2a38979d503a3f391fdf 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -294,20 +294,20 @@ public:
     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;
 };
@@ -401,21 +401,22 @@ 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;
 }