Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrOvalEffect.cpp

Index: src/gpu/effects/GrOvalEffect.cpp
diff --git a/src/gpu/effects/GrOvalEffect.cpp b/src/gpu/effects/GrOvalEffect.cpp
index 10fd8a6bf41768bf3b63e0929eb3e2ecb40ba052..d11a4e24e3898cf0fb3a91e0ff9480bd306f3848 100644
--- a/src/gpu/effects/GrOvalEffect.cpp
+++ b/src/gpu/effects/GrOvalEffect.cpp
@@ -32,8 +32,6 @@ public:
 
     typedef GLCircleEffect GLProcessor;
 
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
 private:
@@ -41,6 +39,8 @@ private:
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
+    virtual void onComputeInvarientOutput(InvarientOutput* invarientOutput) const SK_OVERRIDE;
+
     SkPoint             fCenter;
     SkScalar            fRadius;
     GrPrimitiveEdgeType    fEdgeType;
@@ -56,8 +56,9 @@ GrFragmentProcessor* CircleEffect::Create(GrPrimitiveEdgeType edgeType, const Sk
     return SkNEW_ARGS(CircleEffect, (edgeType, center, radius));
 }
 
-void CircleEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
-    *validFlags = 0;
+void CircleEffect::onComputeInvarientOutput(InvarientOutput* invarientOutput) const {
+    invarientOutput->validFlags = 0;
+    invarientOutput->isSingleComponent = false;
 }
 
 const GrBackendFragmentProcessorFactory& CircleEffect::getFactory() const {
@@ -204,8 +205,6 @@ public:
 
     typedef GLEllipseEffect GLProcessor;
 
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
     virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
 
 private:
@@ -213,6 +212,8 @@ private:
 
     virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
 
+    virtual void onComputeInvarientOutput(InvarientOutput* invarientOutput) const SK_OVERRIDE;
+
     SkPoint             fCenter;
     SkVector            fRadii;
     GrPrimitiveEdgeType    fEdgeType;
@@ -230,8 +231,9 @@ GrFragmentProcessor* EllipseEffect::Create(GrPrimitiveEdgeType edgeType,
     return SkNEW_ARGS(EllipseEffect, (edgeType, center, rx, ry));
 }
 
-void EllipseEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
-    *validFlags = 0;
+void EllipseEffect::onComputeInvarientOutput(InvarientOutput* invarientOutput) const {
+    invarientOutput->validFlags = 0;
+    invarientOutput->isSingleComponent = false;
 }
 
 const GrBackendFragmentProcessorFactory& EllipseEffect::getFactory() const {