Implement a benchmark for GrResourceCache

bench/XfermodeBench.cpp

 
 /*
  * Copyright 2013 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 "SkCanvas.h"
@@ skipping 45 matching lines @@
         kMaxSize = 100,
     };
     SkAutoTUnref<SkXfermode> fXfermode;
     SkString fName;
 
     typedef SkBenchmark INHERITED;
 };
 
 class XferCreateBench : public SkBenchmark {
 public:
-    XferCreateBench() {
-        fIsRendering = false;
+    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+        return backend == kNonRendering_Backend;
     }
 
 protected:
     virtual const char* onGetName() SK_OVERRIDE { return "xfermode_create"; }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         for (int outer = 0; outer < this->getLoops() * 10; ++outer) {
             for (int i = 0; i <= SkXfermode::kLastMode; ++i) {
                 SkXfermode* xfer = SkXfermode::Create(SkXfermode::Mode(i));
                 SkSafeUnref(xfer);
@@ skipping 40 matching lines @@
 BENCH(SkXfermode::kDifference_Mode)
 BENCH(SkXfermode::kExclusion_Mode)
 BENCH(SkXfermode::kMultiply_Mode)
 
 BENCH(SkXfermode::kHue_Mode)
 BENCH(SkXfermode::kSaturation_Mode)
 BENCH(SkXfermode::kColor_Mode)
 BENCH(SkXfermode::kLuminosity_Mode)
 
 DEF_BENCH(return new XferCreateBench;)