Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrSimpleTextureEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/builders/GrGLProgramBuilder.h"
 #include "GrSimpleTextureEffect.h"
 #include "gl/GrGLProcessor.h"
@@ skipping 23 matching lines @@
                                                   coords[0].getType());
         fsBuilder->codeAppend(";\n");
     }
 
 private:
     typedef GrGLFragmentProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void GrSimpleTextureEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
-    this->updateConstantColorComponentsForModulation(color, validFlags);
+void GrSimpleTextureEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
+    this->updateInvariantOutputForModulation(inout);
+    inout->fIsSingleComponent = false;
 }
 
 const GrBackendFragmentProcessorFactory& GrSimpleTextureEffect::getFactory() const {
     return GrTBackendFragmentProcessorFactory<GrSimpleTextureEffect>::getInstance();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrSimpleTextureEffect);
 
@@ skipping 17 matching lines @@
 
     static const GrCoordSet kCoordSets[] = {
         kLocal_GrCoordSet,
         kPosition_GrCoordSet
     };
     GrCoordSet coordSet = kCoordSets[random->nextULessThan(SK_ARRAY_COUNT(kCoordSets))];
 
     const SkMatrix& matrix = GrProcessorUnitTest::TestMatrix(random);
     return GrSimpleTextureEffect::Create(textures[texIdx], matrix, coordSet);
 }