#include "SkBenchmark.h"
#include "SkScaledImageCache.h"
class ImageCacheBench : public SkBenchmark {
SkScaledImageCache fCache;
SkBitmap fBM;
enum {
DIM = 1,
CACHE_COUNT = 500
};
public:
ImageCacheBench() : fCache(CACHE_COUNT * 100) {
fBM.allocN32Pixels(DIM, DIM);
}
void populateCache() {
SkScalar scale = 1;
for (int i = 0; i < CACHE_COUNT; ++i) {
SkBitmap tmp;
tmp.allocN32Pixels(1, 1);
fCache.unlock(fCache.addAndLock(fBM, scale, scale, tmp));
scale += 1;
}
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "imagecache";
}
virtual void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
if (fCache.getBytesUsed() == 0) {
this->populateCache();
}
SkBitmap tmp;
for (int i = 0; i < loops; ++i) {
(void)fCache.findAndLock(fBM, -1, -1, &tmp);
}
}
private:
typedef SkBenchmark INHERITED;
};
DEF_BENCH( return new ImageCacheBench(); )