805ef159d1
Accessable via:
SkScaledImageCache::{G,S}etMaximumOutputSizeForHighQualityFilter
Also, a unit test.
BUG=389439
R=humper@google.com, tomhudson@google.com, reveman@chromium.org, vangelis@chromium.org, reed@google.com
Author: halcanary@google.com
Review URL: https://codereview.chromium.org/394003003
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
/*
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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 "Benchmark.h"
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#include "SkScaledImageCache.h"
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class ImageCacheBench : public Benchmark {
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SkScaledImageCache fCache;
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SkBitmap fBM;
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enum {
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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() : fCache(CACHE_COUNT * 100) {
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fBM.allocN32Pixels(DIM, DIM);
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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.allocN32Pixels(1, 1);
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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(const int loops, SkCanvas*) SK_OVERRIDE {
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if (fCache.getTotalBytesUsed() == 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 < loops; ++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 Benchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_BENCH( return new ImageCacheBench(); )
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