Add isSingleComponent bool to getConstantColorComponent

src/gpu/effects/GrCustomCoordsTextureEffect.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrCustomCoordsTextureEffect.h"
 #include "gl/builders/GrGLFullProgramBuilder.h"
 #include "gl/GrGLProcessor.h"
@@ skipping 54 matching lines @@
                                                          kVec2f_GrSLType,
                                                          GrShaderVar::kAttribute_TypeModifier))) {
     this->addTextureAccess(&fTextureAccess);
 }
 
 bool GrCustomCoordsTextureEffect::onIsEqual(const GrProcessor& other) const {
     const GrCustomCoordsTextureEffect& cte = other.cast<GrCustomCoordsTextureEffect>();
     return fTextureAccess == cte.fTextureAccess;
 }
 
-void GrCustomCoordsTextureEffect::getConstantColorComponents(GrColor* color,
-                                                             uint32_t* validFlags) const {
+void GrCustomCoordsTextureEffect::onGetConstantColorComponents(GrColor* color, uint32_t* validFlags,
+                                                               bool* isSingleComponent) const {
     if ((*validFlags & kA_GrColorComponentFlag) && 0xFF == GrColorUnpackA(*color) &&
         GrPixelConfigIsOpaque(this->texture(0)->config())) {
         *validFlags = kA_GrColorComponentFlag;
     } else {
         *validFlags = 0;
     }
 }
 
 const GrBackendGeometryProcessorFactory& GrCustomCoordsTextureEffect::getFactory() const {
     return GrTBackendGeometryProcessorFactory<GrCustomCoordsTextureEffect>::getInstance();
@@ skipping 16 matching lines @@
     };
     SkShader::TileMode tileModes[] = {
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
     };
     GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode :
                                                            GrTextureParams::kNone_FilterMode);
 
     return GrCustomCoordsTextureEffect::Create(textures[texIdx], params);
 }