Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

src/gpu/effects/GrConfigConversionEffect.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 "GrConfigConversionEffect.h"
 #include "GrContext.h"
 #include "GrDrawContext.h"
@@ skipping 12 matching lines @@
         fSwapRedAndBlue = configConversionEffect.swapsRedAndBlue();
         fPMConversion = configConversionEffect.pmConversion();
     }
 
     virtual void emitCode(EmitArgs& args) override {
         // Using highp for GLES here in order to avoid some precision issues on specific GPUs.
         GrGLSLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecision);
         SkString tmpDecl;
         tmpVar.appendDecl(args.fBuilder->glslCaps(), &tmpDecl);
 
-        GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+        GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
 
-        fsBuilder->codeAppendf("%s;", tmpDecl.c_str());
+        fragBuilder->codeAppendf("%s;", tmpDecl.c_str());
 
-        fsBuilder->codeAppendf("%s = ", tmpVar.c_str());
-        fsBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].c_str(),
+        fragBuilder->codeAppendf("%s = ", tmpVar.c_str());
+        fragBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].c_str(),
                                        args.fCoords[0].getType());
-        fsBuilder->codeAppend(";");
+        fragBuilder->codeAppend(";");
 
         if (GrConfigConversionEffect::kNone_PMConversion == fPMConversion) {
             SkASSERT(fSwapRedAndBlue);
-            fsBuilder->codeAppendf("%s = %s.bgra;", args.fOutputColor, tmpVar.c_str());
+            fragBuilder->codeAppendf("%s = %s.bgra;", args.fOutputColor, tmpVar.c_str());
         } else {
             const char* swiz = fSwapRedAndBlue ? "bgr" : "rgb";
             switch (fPMConversion) {
                 case GrConfigConversionEffect::kMulByAlpha_RoundUp_PMConversion:
-                    fsBuilder->codeAppendf(
+                    fragBuilder->codeAppendf(
                         "%s = vec4(ceil(%s.%s * %s.a * 255.0) / 255.0, %s.a);",
                         tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
                     break;
                 case GrConfigConversionEffect::kMulByAlpha_RoundDown_PMConversion:
                     // Add a compensation(0.001) here to avoid the side effect of the floor operation.
                     // In Intel GPUs, the integer value converted from floor(%s.r * 255.0) / 255.0
                     // is less than the integer value converted from  %s.r by 1 when the %s.r is
                     // converted from the integer value 2^n, such as 1, 2, 4, 8, etc.
-                    fsBuilder->codeAppendf(
+                    fragBuilder->codeAppendf(
                         "%s = vec4(floor(%s.%s * %s.a * 255.0 + 0.001) / 255.0, %s.a);",
                         tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
                     break;
                 case GrConfigConversionEffect::kDivByAlpha_RoundUp_PMConversion:
-                    fsBuilder->codeAppendf(
+                    fragBuilder->codeAppendf(
                         "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(ceil(%s.%s / %s.a * 255.0) / 255.0, %s.a);",
                         tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
                     break;
                 case GrConfigConversionEffect::kDivByAlpha_RoundDown_PMConversion:
-                    fsBuilder->codeAppendf(
+                    fragBuilder->codeAppendf(
                         "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(%s.%s / %s.a * 255.0) / 255.0, %s.a);",
                         tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
                     break;
                 default:
                     SkFAIL("Unknown conversion op.");
                     break;
             }
-            fsBuilder->codeAppendf("%s = %s;", args.fOutputColor, tmpVar.c_str());
+            fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, tmpVar.c_str());
         }
         SkString modulate;
         GrGLSLMulVarBy4f(&modulate, args.fOutputColor, args.fInputColor);
-        fsBuilder->codeAppend(modulate.c_str());
+        fragBuilder->codeAppend(modulate.c_str());
     }
 
     static inline void GenKey(const GrProcessor& processor, const GrGLSLCaps&,
                               GrProcessorKeyBuilder* b) {
         const GrConfigConversionEffect& conv = processor.cast<GrConfigConversionEffect>();
         uint32_t key = (conv.swapsRedAndBlue() ? 0 : 1) | (conv.pmConversion() << 1);
         b->add32(key);
     }
 
 private:
@@ skipping 207 matching lines @@
     } else {
         if (kRGBA_8888_GrPixelConfig != texture->config() &&
             kBGRA_8888_GrPixelConfig != texture->config() &&
             kNone_PMConversion != pmConversion) {
             // The PM conversions assume colors are 0..255
             return nullptr;
         }
         return new GrConfigConversionEffect(texture, swapRedAndBlue, pmConversion, matrix);
     }
 }