Add a simpler key type for scratch resource keys.

src/gpu/GrGpu.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGpu.h"
@@ skipping 58 matching lines @@
                 tex->unref();
                 return NULL;
             }
         }
     }
     return tex;
 }
 
 bool GrGpu::attachStencilBufferToRenderTarget(GrRenderTarget* rt) {
     SkASSERT(NULL == rt->getStencilBuffer());
-    GrResourceKey sbKey = GrStencilBuffer::ComputeKey(rt->width(), rt->height(), rt->numSamples());
+    GrScratchKey sbKey;
+    GrStencilBuffer::ComputeKey(rt->width(), rt->height(), rt->numSamples(), &sbKey);
     SkAutoTUnref<GrStencilBuffer> sb(static_cast<GrStencilBuffer*>(
         this->getContext()->getResourceCache2()->findAndRefScratchResource(sbKey)));
     if (sb) {
         rt->setStencilBuffer(sb);
         bool attached = this->attachStencilBufferToRenderTarget(sb, rt);
         if (!attached) {
             rt->setStencilBuffer(NULL);
         }
         return attached;
     }
@@ skipping 208 matching lines @@
                       GrDrawTarget::PathIndexType indexType,
                       const float transformValues[],
                       GrDrawTarget::PathTransformType transformType,
                       int count,
                       const GrStencilSettings& stencilSettings) {
     this->handleDirtyContext();
     pathRange->willDrawPaths(indices, indexType, count);
     this->onDrawPaths(ds, pathRange, indices, indexType, transformValues,
                       transformType, count, stencilSettings);
 }