Adding a new SkSurface factory for generating surfaces from the scratch texture pool.

include/gpu/GrContext.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 GrContext_DEFINED
 #define GrContext_DEFINED
 
@@ skipping 93 matching lines @@
      * Frees GPU created by the context. Can be called to reduce GPU memory
      * pressure.
      */
     void freeGpuResources();
 
     /**
      * Returns the number of bytes of GPU memory hosted by the texture cache.
      */
     size_t getGpuTextureCacheBytes() const;
 
+    /**
+     * Returns the number of resources hosted by the texture cache.
+     */
+    int getGpuTextureCacheResourceCount() const;
+
     ///////////////////////////////////////////////////////////////////////////
     // Textures
 
     /**
      * Creates a new entry, based on the specified key and texture and returns it. The caller owns a
      * ref on the returned texture which must be balanced by a call to unref.
      *
      * @param params    The texture params used to draw a texture may help determine
      *                  the cache entry used. (e.g. different versions may exist
      *                  for different wrap modes on GPUs with limited NPOT
@@ skipping 933 matching lines @@
     }
 
     GrTexture* texture() { return fTexture; }
 
 private:
     GrContext*                    fContext;
     GrTexture*                    fTexture;
 };
 
 #endif