0b64b98d8d
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1594533005 TBR= Review URL: https://codereview.chromium.org/1594533005
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/*
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* Copyright 2015 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 "SkBitmap.h"
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#include "SkMipMap.h"
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class MipMapBench: public Benchmark {
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SkBitmap fBitmap;
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SkString fName;
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const int fW, fH;
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public:
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MipMapBench(int w, int h) : fW(w), fH(h) {
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fName.printf("mipmap_build_%dx%d", w, h);
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}
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protected:
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bool isSuitableFor(Backend backend) override {
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return kNonRendering_Backend == backend;
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}
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const char* onGetName() override { return fName.c_str(); }
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void onDelayedSetup() override {
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fBitmap.allocN32Pixels(fW, fH, true);
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fBitmap.eraseColor(SK_ColorWHITE); // so we don't read uninitialized memory
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}
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void onDraw(int loops, SkCanvas*) override {
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for (int i = 0; i < loops * 4; i++) {
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SkMipMap::Build(fBitmap, nullptr)->unref();
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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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// Build variants that exercise the width and heights being even or odd at each level, as the
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// impl specializes on each of these.
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//
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DEF_BENCH( return new MipMapBench(511, 511); )
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DEF_BENCH( return new MipMapBench(512, 511); )
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DEF_BENCH( return new MipMapBench(511, 512); )
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DEF_BENCH( return new MipMapBench(512, 512); )
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