dstCopy on optdrawstate

src/gpu/gl/GrGLProgramDesc.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 "GrGLProgramDesc.h"
 
 #include "GrGLProcessor.h"
 #include "GrBackendProcessorFactory.h"
@@ skipping 186 matching lines @@
     offsetAndSize[0] = SkToU16(processorOffset);
     offsetAndSize[1] = processorKeySize;
     ++(*offsetAndSizeIndex);
     return true;
 }
 
 bool GrGLProgramDescBuilder::Build(const GrOptDrawState& optState,
                                    const GrProgramDesc::DescInfo& descInfo,
                                    GrGpu::DrawType drawType,
                                    GrGpuGL* gpu,
-                                   const GrDeviceCoordTexture* dstCopy,
                                    GrProgramDesc* desc) {
     bool inputColorIsUsed = descInfo.fInputColorIsUsed;
     bool inputCoverageIsUsed = descInfo.fInputCoverageIsUsed;
 
     // The descriptor is used as a cache key. Thus when a field of the
     // descriptor will not affect program generation (because of the attribute
     // bindings in use or other descriptor field settings) it should be set
     // to a canonical value to avoid duplicate programs with different keys.
 
     bool requiresLocalCoordAttrib = descInfo.fRequiresLocalCoordAttrib;
@@ skipping 69 matching lines @@
     if (covIsSolidWhite || !inputCoverageIsUsed) {
         header->fCoverageInput = GrProgramDesc::kAllOnes_ColorInput;
     } else if (hasUniformCoverage) {
         header->fCoverageInput = GrProgramDesc::kUniform_ColorInput;
     } else {
         header->fCoverageInput = GrProgramDesc::kAttribute_ColorInput;
         SkASSERT(!header->fUseNvpr);
     }
 
     if (descInfo.fReadsDst) {
+        const GrDeviceCoordTexture* dstCopy = optState.getDstCopy();
         SkASSERT(dstCopy || gpu->caps()->dstReadInShaderSupport());
         const GrTexture* dstCopyTexture = NULL;
         if (dstCopy) {
             dstCopyTexture = dstCopy->texture();
         }
         header->fDstReadKey = GrGLFragmentShaderBuilder::KeyForDstRead(dstCopyTexture,
                                                                        gpu->glCaps());
         SkASSERT(0 != header->fDstReadKey);
     } else {
         header->fDstReadKey = 0;
@@ skipping 33 matching lines @@
     }
 
     header->fPrimaryOutputType = descInfo.fPrimaryOutputType;
     header->fSecondaryOutputType = descInfo.fSecondaryOutputType;
 
     header->fColorEffectCnt = optState.numColorStages();
     header->fCoverageEffectCnt = optState.numCoverageStages();
     desc->finalize();
     return true;
 }