Make XPFragmentBuilder only Builder with access to DstCopy.

src/gpu/GrOvalRenderer.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 "GrOvalRenderer.h"
 
 #include "GrBatch.h"
@@ skipping 95 matching lines @@
             this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL,
                                         &fColorUniform);
 
             // Setup position
             this->setupPosition(pb, gpArgs, ce.inPosition()->fName, ce.viewMatrix());
 
             // emit transforms
             this->emitTransforms(args.fPB, gpArgs->fPositionVar, ce.inPosition()->fName,
                                  ce.localMatrix(), args.fTransformsIn, args.fTransformsOut);
 
-            GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+            GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
             fsBuilder->codeAppendf("float d = length(%s.xy);", v.fsIn());
             fsBuilder->codeAppendf("float edgeAlpha = clamp(%s.z * (1.0 - d), 0.0, 1.0);", v.fsIn());
             if (ce.isStroked()) {
                 fsBuilder->codeAppendf("float innerAlpha = clamp(%s.z * (d - %s.w), 0.0, 1.0);",
                                        v.fsIn(), v.fsIn());
                 fsBuilder->codeAppend("edgeAlpha *= innerAlpha;");
             }
 
             fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage);
         }
@@ skipping 159 matching lines @@
                                         &fColorUniform);
 
             // Setup position
             this->setupPosition(pb, gpArgs, ee.inPosition()->fName, ee.viewMatrix());
 
             // emit transforms
             this->emitTransforms(args.fPB, gpArgs->fPositionVar, ee.inPosition()->fName,
                                  ee.localMatrix(), args.fTransformsIn, args.fTransformsOut);
 
             // for outer curve
-            GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+            GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
             fsBuilder->codeAppendf("vec2 scaledOffset = %s*%s.xy;", ellipseOffsets.fsIn(),
                                    ellipseRadii.fsIn());
             fsBuilder->codeAppend("float test = dot(scaledOffset, scaledOffset) - 1.0;");
             fsBuilder->codeAppendf("vec2 grad = 2.0*scaledOffset*%s.xy;", ellipseRadii.fsIn());
             fsBuilder->codeAppend("float grad_dot = dot(grad, grad);");
 
             // avoid calling inversesqrt on zero.
             fsBuilder->codeAppend("grad_dot = max(grad_dot, 1.0e-4);");
             fsBuilder->codeAppend("float invlen = inversesqrt(grad_dot);");
             fsBuilder->codeAppend("float edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);");
@@ skipping 179 matching lines @@
             this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL,
                                         &fColorUniform);
 
             // Setup position
             this->setupPosition(pb, gpArgs, ee.inPosition()->fName, ee.viewMatrix());
 
             // emit transforms
             this->emitTransforms(args.fPB, gpArgs->fPositionVar, ee.inPosition()->fName,
                                  ee.localMatrix(), args.fTransformsIn, args.fTransformsOut);
 
-            GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
+            GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
             SkAssertResult(fsBuilder->enableFeature(
                     GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature));
             // for outer curve
             fsBuilder->codeAppendf("vec2 scaledOffset = %s.xy;", offsets0.fsIn());
             fsBuilder->codeAppend("float test = dot(scaledOffset, scaledOffset) - 1.0;");
             fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s);", offsets0.fsIn());
             fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s);", offsets0.fsIn());
             fsBuilder->codeAppendf("vec2 grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,"
                                    "                 2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);",
                                    offsets0.fsIn(), offsets0.fsIn(), offsets0.fsIn(), offsets0.fsIn());
@@ skipping 1716 matching lines @@
         geometry.fInnerXRadius = innerXRadius;
         geometry.fInnerYRadius = innerYRadius;
         geometry.fStroke = isStrokeOnly;
         geometry.fDevBounds = bounds;
 
         SkAutoTUnref<GrBatch> batch(RRectEllipseRendererBatch::Create(geometry, indexBuffer));
         target->drawBatch(pipelineBuilder, batch, &bounds);
     }
     return true;
 }