Add onGetBlendInfo to GrXferProcessor

src/gpu/effects/GrPorterDuffXferProcessor.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "effects/GrPorterDuffXferProcessor.h"
 
 #include "GrBlend.h"
@@ skipping 72 matching lines @@
 
     PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; }
     SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputType; }
 
     GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI,
                                                const GrProcOptInfo& coveragePOI,
                                                bool doesStencilWrite,
                                                GrColor* overrideColor,
                                                const GrDrawTargetCaps& caps) override;
 
-    void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override {
+    GrBlendCoeff getSrcBlend() const { return fSrcBlend; }
+    GrBlendCoeff getDstBlend() const { return fDstBlend; }
+
+private:
+    PorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColor constant,
+                            const GrDeviceCoordTexture* dstCopy, bool willReadDstColor);
+
+    void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const override;
+
+    void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override {
         if (!this->willReadDstColor()) {
             blendInfo->fSrcBlend = fSrcBlend;
             blendInfo->fDstBlend = fDstBlend;
         } else {
             blendInfo->fSrcBlend = kOne_GrBlendCoeff;
             blendInfo->fDstBlend = kZero_GrBlendCoeff;
         }
         blendInfo->fBlendConstant = fBlendConstant;
     }
 
-    GrBlendCoeff getSrcBlend() const { return fSrcBlend; }
-    GrBlendCoeff getDstBlend() const { return fDstBlend; }
-
-private:
-    PorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColor constant,
-                            const GrDeviceCoordTexture* dstCopy, bool willReadDstColor);
-
-    void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const override;
-
     bool onIsEqual(const GrXferProcessor& xpBase) const override {
         const PorterDuffXferProcessor& xp = xpBase.cast<PorterDuffXferProcessor>();
         if (fSrcBlend != xp.fSrcBlend ||
             fDstBlend != xp.fDstBlend ||
             fBlendConstant != xp.fBlendConstant ||
             fPrimaryOutputType != xp.fPrimaryOutputType || 
             fSecondaryOutputType != xp.fSecondaryOutputType) {
             return false;
         }
         return true;
@@ skipping 577 matching lines @@
 GR_DEFINE_XP_FACTORY_TEST(GrPorterDuffXPFactory);
 
 GrXPFactory* GrPorterDuffXPFactory::TestCreate(SkRandom* random,
                                                GrContext*,
                                                const GrDrawTargetCaps&,
                                                GrTexture*[]) {
     SkXfermode::Mode mode = SkXfermode::Mode(random->nextULessThan(SkXfermode::kLastCoeffMode));
     return GrPorterDuffXPFactory::Create(mode);
 }