Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

src/gpu/effects/GrXfermodeFragmentProcessor.cpp

 /*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "effects/GrXfermodeFragmentProcessor.h"
 
 #include "GrFragmentProcessor.h"
@@ skipping 71 matching lines @@
 }
 
 GrGLSLFragmentProcessor* ComposeTwoFragmentProcessor::onCreateGLSLInstance() const{
     return new GLComposeTwoFragmentProcessor(*this);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 void GLComposeTwoFragmentProcessor::emitCode(EmitArgs& args) {
 
-    GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
     const ComposeTwoFragmentProcessor& cs = args.fFp.cast<ComposeTwoFragmentProcessor>();
 
     const char* inputColor = nullptr;
     if (args.fInputColor) {
         inputColor = "inputColor";
-        fsBuilder->codeAppendf("vec4 inputColor = vec4(%s.rgb, 1.0);", args.fInputColor);
+        fragBuilder->codeAppendf("vec4 inputColor = vec4(%s.rgb, 1.0);", args.fInputColor);
     }
 
     // declare outputColor and emit the code for each of the two children
     SkString srcColor("src");
     this->emitChild(0, inputColor, &srcColor, args);
 
     SkString dstColor("dst");
     this->emitChild(1, inputColor, &dstColor, args);
 
     // emit blend code
     SkXfermode::Mode mode = cs.getMode();
-    fsBuilder->codeAppendf("// Compose Xfer Mode: %s\n", SkXfermode::ModeName(mode));
-    GrGLSLBlend::AppendMode(fsBuilder, srcColor.c_str(), dstColor.c_str(), args.fOutputColor, mode);
+    fragBuilder->codeAppendf("// Compose Xfer Mode: %s\n", SkXfermode::ModeName(mode));
+    GrGLSLBlend::AppendMode(fragBuilder,
+                            srcColor.c_str(),
+                            dstColor.c_str(),
+                            args.fOutputColor,
+                            mode);
 
     // re-multiply the output color by the input color's alpha
     if (args.fInputColor) {
-        fsBuilder->codeAppendf("%s *= %s.a;", args.fOutputColor, args.fInputColor);
+        fragBuilder->codeAppendf("%s *= %s.a;", args.fOutputColor, args.fInputColor);
     }
 }
 
 const GrFragmentProcessor* GrXfermodeFragmentProcessor::CreateFromTwoProcessors(
          const GrFragmentProcessor* src, const GrFragmentProcessor* dst, SkXfermode::Mode mode) {
     switch (mode) {
         case SkXfermode::kClear_Mode:
             return GrConstColorProcessor::Create(GrColor_TRANSPARENT_BLACK,
                                                  GrConstColorProcessor::kIgnore_InputMode);
         case SkXfermode::kSrc_Mode:
@@ skipping 86 matching lines @@
     typedef GrFragmentProcessor INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 class GLComposeOneFragmentProcessor : public GrGLSLFragmentProcessor {
 public:
     GLComposeOneFragmentProcessor(const GrProcessor& processor) {}
 
     void emitCode(EmitArgs& args) override {
-        GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+        GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
         SkXfermode::Mode mode = args.fFp.cast<ComposeOneFragmentProcessor>().mode();
         ComposeOneFragmentProcessor::Child child =
             args.fFp.cast<ComposeOneFragmentProcessor>().child();
         SkString childColor("child");
         this->emitChild(0, nullptr, &childColor, args);
 
         const char* inputColor = args.fInputColor;
         // We don't try to optimize for this case at all
         if (!inputColor) {
-            fsBuilder->codeAppendf("const vec4 ones = vec4(1);");
+            fragBuilder->codeAppendf("const vec4 ones = vec4(1);");
             inputColor = "ones";
         }
 
         // emit blend code
-        fsBuilder->codeAppendf("// Compose Xfer Mode: %s\n", SkXfermode::ModeName(mode));
+        fragBuilder->codeAppendf("// Compose Xfer Mode: %s\n", SkXfermode::ModeName(mode));
         const char* childStr = childColor.c_str();
         if (ComposeOneFragmentProcessor::kDst_Child == child) {
-            GrGLSLBlend::AppendMode(fsBuilder, inputColor, childStr, args.fOutputColor, mode);
+            GrGLSLBlend::AppendMode(fragBuilder, inputColor, childStr, args.fOutputColor, mode);
         } else {
-            GrGLSLBlend::AppendMode(fsBuilder, childStr, inputColor, args.fOutputColor, mode);
+            GrGLSLBlend::AppendMode(fragBuilder, childStr, inputColor, args.fOutputColor, mode);
         }
     }
 
 private:
     typedef GrGLSLFragmentProcessor INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ComposeOneFragmentProcessor);
@@ skipping 37 matching lines @@
         case SkXfermode::kClear_Mode:
             return GrConstColorProcessor::Create(GrColor_TRANSPARENT_BLACK,
                                                  GrConstColorProcessor::kIgnore_InputMode);
         case SkXfermode::kDst_Mode:
             return nullptr;
         default:
             return new ComposeOneFragmentProcessor(src, mode,
                                                    ComposeOneFragmentProcessor::kSrc_Child);
     }
 }