Add counting of some GL calls

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 942 matching lines @@
     /**
      *  This returns a copy of the the GrContext::Options that was passed to the
      *  constructor of this class.
      */
     const Options& getOptions() const { return fOptions; }
 
 #if GR_CACHE_STATS
     void printCacheStats() const;
 #endif
 
+    class GPUStats {
+    public:
+#if GR_GPU_STATS
+        GPUStats() { this->reset(); }
+
+        void reset() { fRenderTargetBinds = 0; fShaderCompilations = 0; }
+
+        int renderTargetBinds() const { return fRenderTargetBinds; }
+        void incRenderTargetBinds() { fRenderTargetBinds++; }
+        int shaderCompilations() const { return fShaderCompilations; }
+        void incShaderCompilations() { fShaderCompilations++; }
+    private:
+        int fRenderTargetBinds;
+        int fShaderCompilations;
+#else
+        void incRenderTargetBinds() {}
+        void incShaderCompilations() {}
+#endif
+    };
+
+#if GR_GPU_STATS
+    const GPUStats* gpuStats() const;
+#endif
+
 private:
     // Used to indicate whether a draw should be performed immediately or queued in fDrawBuffer.
     enum BufferedDraw {
         kYes_BufferedDraw,
         kNo_BufferedDraw,
     };
     BufferedDraw fLastDrawWasBuffered;
 
     GrGpu*                          fGpu;
     SkMatrix                        fViewMatrix;
@@ skipping 165 matching lines @@
     }
 
     GrTexture* texture() { return fTexture; }
 
 private:
     GrContext*                    fContext;
     GrTexture*                    fTexture;
 };
 
 #endif