Move DstCoordTexture to GrXP, rename and remove the word "copy" from dstcopytexture names.

src/gpu/gl/GrGLXferProcessor.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 "gl/GrGLXferProcessor.h"
 
 #include "GrXferProcessor.h"
 #include "gl/builders/GrGLFragmentShaderBuilder.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 void GrGLXferProcessor::emitCode(const EmitArgs& args) {
-    if (args.fXP.getDstCopyTexture()) {
-        bool topDown = kTopLeft_GrSurfaceOrigin == args.fXP.getDstCopyTexture()->origin();
+    if (args.fXP.getDstTexture()) {
+        bool topDown = kTopLeft_GrSurfaceOrigin == args.fXP.getDstTexture()->origin();
 
         GrGLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
 
         if (args.fXP.readsCoverage()) {
             // We don't think any shaders actually output negative coverage, but just as a safety
             // check for floating point precision errors we compare with <= here
             fsBuilder->codeAppendf("if (all(lessThanEqual(%s, vec4(0)))) {"
                                    "    discard;"
                                    "}", args.fInputCoverage);
         }
 
         const char* dstColor = fsBuilder->dstColor();
 
-        const char* dstCopyTopLeftName;
-        const char* dstCopyCoordScaleName;
+        const char* dstTopLeftName;
+        const char* dstCoordScaleName;
 
-        fDstCopyTopLeftUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                                   kVec2f_GrSLType,
-                                                   kDefault_GrSLPrecision,
-                                                   "DstCopyUpperLeft",
-                                                   &dstCopyTopLeftName);
-        fDstCopyScaleUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                                kVec2f_GrSLType,
-                                                kDefault_GrSLPrecision,
-                                                "DstCopyCoordScale",
-                                                &dstCopyCoordScaleName);
+        fDstTopLeftUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+                                              kVec2f_GrSLType,
+                                              kDefault_GrSLPrecision,
+                                              "DstTextureUpperLeft",
+                                              &dstTopLeftName);
+        fDstScaleUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+                                            kVec2f_GrSLType,
+                                            kDefault_GrSLPrecision,
+                                            "DstTextureCoordScale",
+                                            &dstCoordScaleName);
         const char* fragPos = fsBuilder->fragmentPosition();
 
         fsBuilder->codeAppend("// Read color from copy of the destination.\n");
         fsBuilder->codeAppendf("vec2 _dstTexCoord = (%s.xy - %s) * %s;",
-                               fragPos, dstCopyTopLeftName, dstCopyCoordScaleName);
+                               fragPos, dstTopLeftName, dstCoordScaleName);
 
         if (!topDown) {
             fsBuilder->codeAppend("_dstTexCoord.y = 1.0 - _dstTexCoord.y;");
         }
 
         fsBuilder->codeAppendf("vec4 %s = ", dstColor);
         fsBuilder->appendTextureLookup(args.fSamplers[0], "_dstTexCoord", kVec2f_GrSLType);
         fsBuilder->codeAppend(";");
     }
 
     this->onEmitCode(args);
 }
 
 void GrGLXferProcessor::setData(const GrGLProgramDataManager& pdm, const GrXferProcessor& xp) {
-    if (xp.getDstCopyTexture()) {
-        if (fDstCopyTopLeftUni.isValid()) {
-            pdm.set2f(fDstCopyTopLeftUni, static_cast<GrGLfloat>(xp.dstCopyTextureOffset().fX),
-                      static_cast<GrGLfloat>(xp.dstCopyTextureOffset().fY));
-            pdm.set2f(fDstCopyScaleUni, 1.f / xp.getDstCopyTexture()->width(),
-                      1.f / xp.getDstCopyTexture()->height());
+    if (xp.getDstTexture()) {
+        if (fDstTopLeftUni.isValid()) {
+            pdm.set2f(fDstTopLeftUni, static_cast<GrGLfloat>(xp.dstTextureOffset().fX),
+                      static_cast<GrGLfloat>(xp.dstTextureOffset().fY));
+            pdm.set2f(fDstScaleUni, 1.f / xp.getDstTexture()->width(),
+                      1.f / xp.getDstTexture()->height());
         } else {
-            SkASSERT(!fDstCopyScaleUni.isValid());
+            SkASSERT(!fDstScaleUni.isValid());
         }
     } else {
-        SkASSERT(!fDstCopyTopLeftUni.isValid());
-        SkASSERT(!fDstCopyScaleUni.isValid());
+        SkASSERT(!fDstTopLeftUni.isValid());
+        SkASSERT(!fDstScaleUni.isValid());
     }
     this->onSetData(pdm, xp);
 }