61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkScaledImageCache.h"
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class ImageCacheBench : public SkBenchmark {
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SkScaledImageCache fCache;
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SkBitmap fBM;
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enum {
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N = SkBENCHLOOP(1000),
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DIM = 1,
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CACHE_COUNT = 500
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};
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public:
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ImageCacheBench(void* param) : INHERITED(param) , fCache(CACHE_COUNT * 100) {
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fBM.setConfig(SkBitmap::kARGB_8888_Config, DIM, DIM);
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fBM.allocPixels();
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}
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void populateCache() {
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SkScalar scale = 1;
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for (int i = 0; i < CACHE_COUNT; ++i) {
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SkBitmap tmp;
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tmp.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
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tmp.allocPixels();
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fCache.unlock(fCache.addAndLock(fBM, scale, scale, tmp));
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scale += 1;
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}
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return "imagecache";
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}
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virtual void onDraw(SkCanvas*) SK_OVERRIDE {
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if (fCache.getBytesUsed() == 0) {
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this->populateCache();
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}
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SkBitmap tmp;
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// search for a miss (-1 scale)
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for (int i = 0; i < N; ++i) {
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(void)fCache.findAndLock(fBM, -1, -1, &tmp);
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_BENCH( return new ImageCacheBench(p); )
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