Implement a benchmark for GrResourceCache

bench/DecodeBench.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkBenchmark.h"
 #include "SkBitmap.h"
 #include "SkCommandLineFlags.h"
@@ skipping 11 matching lines @@
     SkString fName;
 public:
     DecodeBench(SkBitmap::Config c) {
         fPrefConfig = c;
 
         const char* fname = strrchr(FLAGS_decodeBenchFilename[0], '/');
         if (fname) {
             fname++; // skip the slash
         }
         fName.printf("decode_%s_%s", gConfigName[c], fname);
-        fIsRendering = false;
+    }
+
+    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+        return backend == kNonRendering_Backend;
     }
 
 protected:
     virtual const char* onGetName() {
         return fName.c_str();
     }
 
     virtual void onDraw(SkCanvas*) {
         for (int i = 0; i < this->getLoops(); i++) {
             SkBitmap bm;
             SkImageDecoder::DecodeFile(FLAGS_decodeBenchFilename[0],
                                        &bm,
                                        fPrefConfig,
                                        SkImageDecoder::kDecodePixels_Mode);
         }
     }
 
 private:
     typedef SkBenchmark INHERITED;
 };
 
 DEF_BENCH( return new DecodeBench(SkBitmap::kARGB_8888_Config); )
 DEF_BENCH( return new DecodeBench(SkBitmap::kRGB_565_Config); )
 DEF_BENCH( return new DecodeBench(SkBitmap::kARGB_4444_Config); )