Added GrGLFragmentProcessor::EmitArgs struct for use with emitCode()

src/gpu/effects/GrYUVtoRGBEffect.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 "GrYUVtoRGBEffect.h"
 
 #include "GrCoordTransform.h"
@@ skipping 43 matching lines @@
     public:
         static const GrGLfloat kJPEGConversionMatrix[16];
         static const GrGLfloat kRec601ConversionMatrix[16];
         static const GrGLfloat kRec709ConversionMatrix[16];
 
         // this class always generates the same code.
         static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*) {}
 
         GLProcessor(const GrProcessor&) {}
 
-        virtual void emitCode(GrGLFPBuilder* builder,
-                              const GrFragmentProcessor&,
-                              const char* outputColor,
-                              const char* inputColor,
-                              const TransformedCoordsArray& coords,
-                              const TextureSamplerArray& samplers) override {
-            GrGLFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+        virtual void emitCode(EmitArgs& args) override {
+            GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
 
             const char* yuvMatrix   = NULL;
-            fMatrixUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+            fMatrixUni = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                              kMat44f_GrSLType, kDefault_GrSLPrecision,
                                              "YUVMatrix", &yuvMatrix);
-            fsBuilder->codeAppendf("\t%s = vec4(\n\t\t", outputColor);
-            fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0].getType());
+            fsBuilder->codeAppendf("\t%s = vec4(\n\t\t", args.fOutputColor);
+            fsBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].c_str(),
+                                           args.fCoords[0].getType());
             fsBuilder->codeAppend(".r,\n\t\t");
-            fsBuilder->appendTextureLookup(samplers[1], coords[1].c_str(), coords[1].getType());
+            fsBuilder->appendTextureLookup(args.fSamplers[1], args.fCoords[1].c_str(),
+                                           args.fCoords[1].getType());
             fsBuilder->codeAppend(".r,\n\t\t");
-            fsBuilder->appendTextureLookup(samplers[2], coords[2].c_str(), coords[2].getType());
+            fsBuilder->appendTextureLookup(args.fSamplers[2], args.fCoords[2].c_str(),
+                                           args.fCoords[2].getType());
             fsBuilder->codeAppendf(".r,\n\t\t1.0) * %s;\n", yuvMatrix);
         }
 
         virtual void setData(const GrGLProgramDataManager& pdman,
                              const GrProcessor& processor) override {
             const YUVtoRGBEffect& yuvEffect = processor.cast<YUVtoRGBEffect>();
             switch (yuvEffect.getColorSpace()) {
                 case kJPEG_SkYUVColorSpace:
                     pdman.setMatrix4f(fMatrixUni, kJPEGConversionMatrix);
                     break;
@@ skipping 82 matching lines @@
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrFragmentProcessor*
 GrYUVtoRGBEffect::Create(GrProcessorDataManager* procDataManager, GrTexture* yTexture,
                          GrTexture* uTexture, GrTexture* vTexture, const SkISize sizes[3],
                          SkYUVColorSpace colorSpace) {
     SkASSERT(procDataManager && yTexture && uTexture && vTexture && sizes);
     return YUVtoRGBEffect::Create(procDataManager, yTexture, uTexture, vTexture, sizes, colorSpace);
 }