Make XPFragmentBuilder only Builder with access to DstCopy.

src/gpu/effects/GrDashingEffect.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 "GrDashingEffect.h"
 
 #include "GrBatch.h"
@@ skipping 873 matching lines @@
     this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL, &fColorUniform);
 
     // Setup position
     this->setupPosition(pb, gpArgs, dce.inPosition()->fName, dce.viewMatrix());
 
     // emit transforms
     this->emitTransforms(args.fPB, gpArgs->fPositionVar, dce.inPosition()->fName, dce.localMatrix(),
                          args.fTransformsIn, args.fTransformsOut);
 
     // transforms all points so that we can compare them to our test circle
-    GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+    GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("float xShifted = %s.x - floor(%s.x / %s.z) * %s.z;",
                            dashParams.fsIn(), dashParams.fsIn(), dashParams.fsIn(),
                            dashParams.fsIn());
     fsBuilder->codeAppendf("vec2 fragPosShifted = vec2(xShifted, %s.y);", dashParams.fsIn());
     fsBuilder->codeAppendf("vec2 center = vec2(%s.y, 0.0);", circleParams.fsIn());
     fsBuilder->codeAppend("float dist = length(center - fragPosShifted);");
     if (dce.aaMode() != kBW_DashAAMode) {
         fsBuilder->codeAppendf("float diff = dist - %s.x;", circleParams.fsIn());
         fsBuilder->codeAppend("diff = 1.0 - diff;");
         fsBuilder->codeAppend("float alpha = clamp(diff, 0.0, 1.0);");
@@ skipping 222 matching lines @@
     this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL, &fColorUniform);
 
     // Setup position
     this->setupPosition(pb, gpArgs, de.inPosition()->fName, de.viewMatrix());
 
     // emit transforms
     this->emitTransforms(args.fPB, gpArgs->fPositionVar, de.inPosition()->fName, de.localMatrix(),
                          args.fTransformsIn, args.fTransformsOut);
 
     // transforms all points so that we can compare them to our test rect
-    GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+    GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("float xShifted = %s.x - floor(%s.x / %s.z) * %s.z;",
                            inDashParams.fsIn(), inDashParams.fsIn(), inDashParams.fsIn(),
                            inDashParams.fsIn());
     fsBuilder->codeAppendf("vec2 fragPosShifted = vec2(xShifted, %s.y);", inDashParams.fsIn());
     if (de.aaMode() == kEdgeAA_DashAAMode) {
         // The amount of coverage removed in x and y by the edges is computed as a pair of negative
         // numbers, xSub and ySub.
         fsBuilder->codeAppend("float xSub, ySub;");
         fsBuilder->codeAppendf("xSub = min(fragPosShifted.x - %s.x, 0.0);", inRectParams.fsIn());
         fsBuilder->codeAppendf("xSub += min(%s.z - fragPosShifted.x, 0.0);", inRectParams.fsIn());
@@ skipping 125 matching lines @@
     switch (cap) {
         case kRound_DashCap:
             return DashingCircleEffect::Create(color, dashAAMode, localMatrix);
         case kNonRound_DashCap:
             return DashingLineEffect::Create(color, dashAAMode, localMatrix);
         default:
             SkFAIL("Unexpected dashed cap.");
     }
     return NULL;
 }