Refactor GrBufferAllocPools to use resource cache

src/gpu/GrIndexBuffer.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #ifndef GrIndexBuffer_DEFINED
 #define GrIndexBuffer_DEFINED
 
 #include "GrGeometryBuffer.h"
 
+
 class GrIndexBuffer : public GrGeometryBuffer {
 public:
+    static void ComputeScratchKey(size_t size, bool dynamic, GrScratchKey* key) {
+        static const GrScratchKey::ResourceType kType = GrScratchKey::GenerateResourceType();
+
+        GrScratchKey::Builder builder(key, kType, 2);
+
+        builder[0] = SkToUInt(size);
+        builder[1] = dynamic ? 1 : 0;
+    }
+
     /**
      * Retrieves the maximum number of quads that could be rendered
      * from the index buffer (using kTriangles_GrPrimitiveType).
      * @return the maximum number of quads using full size of index buffer.
      */
     int maxQuads() const {
         return static_cast<int>(this->gpuMemorySize() / (sizeof(uint16_t) * 6));
     }
 protected:
     GrIndexBuffer(GrGpu* gpu, size_t gpuMemorySize, bool dynamic, bool cpuBacked)
-        : INHERITED(gpu, gpuMemorySize, dynamic, cpuBacked) {}
+        : INHERITED(gpu, gpuMemorySize, dynamic, cpuBacked) {
+        GrScratchKey key;
+        ComputeScratchKey(gpuMemorySize, dynamic, &key);
+        this->setScratchKey(key);
+    }
+
 private:
     typedef GrGeometryBuffer INHERITED;
 };
 
 #endif