GrResourceCache2 manages scratch texture.

src/gpu/GrOptDrawState.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 "GrOptDrawState.h"
 
 #include "GrDrawState.h"
 #include "GrDrawTargetCaps.h"
 
 GrOptDrawState::GrOptDrawState(const GrDrawState& drawState,
                                BlendOptFlags blendOptFlags,
                                GrBlendCoeff optSrcCoeff,
                                GrBlendCoeff optDstCoeff,
                                const GrDrawTargetCaps& caps) {
-    fRenderTarget.set(SkSafeRef(drawState.getRenderTarget()),
-                              GrIORef::kWrite_IOType);
+    fRenderTarget.set(SkSafeRef(drawState.getRenderTarget()), kWrite_GrIOType);
     fColor = drawState.getColor();
     fCoverage = drawState.getCoverage();
     fViewMatrix = drawState.getViewMatrix();
     fBlendConstant = drawState.getBlendConstant();
     fFlagBits = drawState.getFlagBits();
     fVAPtr = drawState.getVertexAttribs();
     fVACount = drawState.getVertexAttribCount();
     fVAStride = drawState.getVertexStride();
     fStencilSettings = drawState.getStencil();
     fDrawFace = (DrawFace)drawState.getDrawFace();
@@ skipping 350 matching lines @@
         }
     }
 
     SkASSERT(0 == memcmp(this->fFixedFunctionVertexAttribIndices,
                          that.fFixedFunctionVertexAttribIndices,
                          sizeof(this->fFixedFunctionVertexAttribIndices)));
 
     return true;
 }