Some cleanup in GrTextureProvider and GrResourceProvider

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.
  */
 
 
 
@@ skipping 18 matching lines @@
      * 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) {
-        GrScratchKey key;
-        ComputeScratchKey(gpuMemorySize, dynamic, &key);
-        this->setScratchKey(key);
+        // We currently only make buffers scratch if they're both pow2 sized and not cpuBacked.
+        if (!cpuBacked && SkIsPow2(gpuMemorySize)) {
+            GrScratchKey key;
+            ComputeScratchKey(gpuMemorySize, dynamic, &key);
+            this->setScratchKey(key);
+        }
     }
 
 private:
     typedef GrGeometryBuffer INHERITED;
 };
 
 #endif