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/*
* 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 "SkScaledImageCache.h"
class ImageCacheBench : public SkBenchmark {
SkScaledImageCache fCache;
SkBitmap fBM;
enum {
N = SkBENCHLOOP(1000),
DIM = 1,
CACHE_COUNT = 500
};
public:
ImageCacheBench(void* param) : INHERITED(param) , fCache(CACHE_COUNT * 100) {
fBM.setConfig(SkBitmap::kARGB_8888_Config, DIM, DIM);
fBM.allocPixels();
}
void populateCache() {
SkScalar scale = 1;
for (int i = 0; i < CACHE_COUNT; ++i) {
SkBitmap tmp;
tmp.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
tmp.allocPixels();
fCache.unlock(fCache.addAndLock(fBM, scale, scale, tmp));
scale += 1;
}
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "imagecache";
}
virtual void onDraw(SkCanvas*) SK_OVERRIDE {
if (fCache.getBytesUsed() == 0) {
this->populateCache();
}
SkBitmap tmp;
// search for a miss (-1 scale)
for (int i = 0; i < N; ++i) {
(void)fCache.findAndLock(fBM, -1, -1, &tmp);
}
}
private:
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new ImageCacheBench(p); )
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