Use scratch keys for stencil buffers.

src/gpu/GrResourceCache2.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 "GrResourceCache2.h"
@@ skipping 200 matching lines @@
     }
     resource = fScratchMap.find(scratchKey, AvailableForScratchUse(false));
     if (resource) {
         resource->ref();
         this->makeResourceMRU(resource);
         this->validate();
     }
     return resource;
 }
 
+void GrResourceCache2::willRemoveScratchKey(const GrGpuResource* resource) {
+    SkASSERT(resource->cacheAccess().isScratch());
+    fScratchMap.remove(resource->cacheAccess().getScratchKey(), resource);
+}
+
 bool GrResourceCache2::didSetContentKey(GrGpuResource* resource) {
     SkASSERT(!fPurging);
     SkASSERT(resource);
     SkASSERT(this->isInCache(resource));
     SkASSERT(resource->cacheAccess().getContentKey());
     SkASSERT(!resource->cacheAccess().getContentKey()->isScratch());
 
     GrGpuResource* res = fContentHash.find(*resource->cacheAccess().getContentKey());
     if (NULL != res) {
         return false;
@@ skipping 253 matching lines @@
 
     SkDebugf("Budget: %d items %d bytes\n", fMaxCount, fMaxBytes);
     SkDebugf("\t\tEntry Count: current %d"
              " (%d budgeted, %d wrapped, %d locked, %d scratch %.2g%% full), high %d\n",
         fCount, fBudgetedCount, wrapped, locked, scratch, countUtilization, fHighWaterCount);
     SkDebugf("\t\tEntry Bytes: current %d (budgeted %d, %.2g%% full, %d unbudgeted) high %d\n",
                 fBytes, fBudgetedBytes, byteUtilization, unbudgetedSize, fHighWaterBytes);
 }
 
 #endif