bench/BitmapRegionDecoderBench.h

   1 /*
   2  * Copyright 2015 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #ifndef BitmapRegionDecoderBench_DEFINED
   9 #define BitmapRegionDecoderBench_DEFINED
  10
  11 #include "Benchmark.h"
  12 #include "SkBitmapRegionDecoder.h"
  13 #include "SkData.h"
  14 #include "SkImageInfo.h"
  15 #include "SkRefCnt.h"
  16 #include "SkString.h"
  17
  18 /**
  19  *  Benchmark Android's BitmapRegionDecoder for a particular colorType, sampleSize, and subset.
  20  *
  21  *  fStrategy determines which of various implementations is to be used.
  22  *
  23  *  nanobench.cpp handles creating benchmarks for interesting scaled subsets.  We strive to test
  24  *  on real use cases.
  25  */
  26 class BitmapRegionDecoderBench : public Benchmark {
  27 public:
  28     // Calls encoded->ref()
  29     BitmapRegionDecoderBench(const char* basename, SkData* encoded,
  30             SkBitmapRegionDecoder::Strategy strategy, SkColorType colorType,
  31             uint32_t sampleSize, const SkIRect& subset);
  32
  33 protected:
  34     const char* onGetName() override;
  35     bool isSuitableFor(Backend backend) override;
  36     void onDraw(int n, SkCanvas* canvas) override;
  37     void onDelayedSetup() override;
  38
  39 private:
  40     SkString                                       fName;
  41     SkAutoTDelete<SkBitmapRegionDecoder>           fBRD;
  42     SkAutoTUnref<SkData>                           fData;
  43     const SkBitmapRegionDecoder::Strategy          fStrategy;
  44     const SkColorType                              fColorType;
  45     const uint32_t                                 fSampleSize;
  46     const SkIRect                                  fSubset;
  47     typedef Benchmark INHERITED;
  48 };
  49 #endif // BitmapRegionDecoderBench_DEFINED