skia2/bench/BitmapRegionDecoderBench.h

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef BitmapRegionDecoderBench_DEFINED
#define BitmapRegionDecoderBench_DEFINED
#include "Benchmark.h"
#include "SkBitmapRegionDecoder.h"
#include "SkData.h"
#include "SkImageInfo.h"
#include "SkRefCnt.h"
#include "SkString.h"
/**
* Benchmark Android's BitmapRegionDecoder for a particular colorType, sampleSize, and subset.
*
* fStrategy determines which of various implementations is to be used.
*
* nanobench.cpp handles creating benchmarks for interesting scaled subsets. We strive to test
* on real use cases.
*/
class BitmapRegionDecoderBench : public Benchmark {
public:
// Calls encoded->ref()
BitmapRegionDecoderBench(const char* basename, SkData* encoded,
SkBitmapRegionDecoder::Strategy strategy, SkColorType colorType,
uint32_t sampleSize, const SkIRect& subset);
protected:
const char* onGetName() override;
bool isSuitableFor(Backend backend) override;
void onDraw(int n, SkCanvas* canvas) override;
void onDelayedSetup() override;
private:
SkString fName;
SkAutoTDelete<SkBitmapRegionDecoder> fBRD;
SkAutoTUnref<SkData> fData;
const SkBitmapRegionDecoder::Strategy fStrategy;
const SkColorType fColorType;
const uint32_t fSampleSize;
const SkIRect fSubset;
typedef Benchmark INHERITED;
};
#endif // BitmapRegionDecoderBench_DEFINED