Make XPFragmentBuilder only Builder with access to DstCopy.

src/gpu/effects/GrBezierEffect.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 "GrBezierEffect.h"
 
 #include "gl/GrGLProcessor.h"
@@ skipping 72 matching lines @@
     this->setupColorPassThrough(args.fPB, local.fInputColorType, args.fOutputColor, NULL,
                                 &fColorUniform);
 
     // Setup position
     this->setupPosition(pb, gpArgs, gp.inPosition()->fName, gp.viewMatrix());
 
     // emit transforms with position
     this->emitTransforms(pb, gpArgs->fPositionVar, gp.inPosition()->fName, gp.localMatrix(),
                          args.fTransformsIn, args.fTransformsOut);
 
-    GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+    GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppend("float edgeAlpha;");
 
     switch (fEdgeType) {
         case kHairlineAA_GrProcessorEdgeType: {
             SkAssertResult(fsBuilder->enableFeature(
                     GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature));
             fsBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", v.fsIn());
             fsBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", v.fsIn());
             fsBuilder->codeAppendf("float dfdx ="
                                    "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s.z * dklmdx.y;",
@@ skipping 214 matching lines @@
     this->setupColorPassThrough(args.fPB, local.fInputColorType, args.fOutputColor, NULL,
                                 &fColorUniform);
 
     // Setup position
     this->setupPosition(pb, gpArgs, gp.inPosition()->fName, gp.viewMatrix());
 
     // emit transforms with position
     this->emitTransforms(pb, gpArgs->fPositionVar, gp.inPosition()->fName, gp.localMatrix(),
                          args.fTransformsIn, args.fTransformsOut);
 
-    GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+    GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("float edgeAlpha;");
 
     switch (fEdgeType) {
         case kHairlineAA_GrProcessorEdgeType: {
             SkAssertResult(fsBuilder->enableFeature(
                     GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature));
             fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn());
             fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn());
             fsBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y,"
                                    "               2.0 * %s.x * duvdy.x - duvdy.y);",
@@ skipping 193 matching lines @@
     this->setupColorPassThrough(args.fPB, local.fInputColorType, args.fOutputColor, NULL,
                                 &fColorUniform);
 
     // Setup position
     this->setupPosition(args.fPB, gpArgs, gp.inPosition()->fName, gp.viewMatrix());
 
     // emit transforms with position
     this->emitTransforms(args.fPB, gpArgs->fPositionVar, gp.inPosition()->fName, gp.localMatrix(),
                          args.fTransformsIn, args.fTransformsOut);
 
-    GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+    GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
 
     GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar gF("gF", kVec2f_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar gFM("gFM", kFloat_GrSLType, 0, kHigh_GrSLPrecision);
     GrGLShaderVar func("func", kFloat_GrSLType, 0, kHigh_GrSLPrecision);
 
@@ skipping 143 matching lines @@
     GrGeometryProcessor* gp;
     do {
         GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>(
                                                     random->nextULessThan(kGrProcessorEdgeTypeCnt));
         gp = GrCubicEffect::Create(GrRandomColor(random),
                                    GrTest::TestMatrix(random), edgeType, caps);
     } while (NULL == gp);
     return gp;
 }