a1ebeb25e9
This drives me nuts, and prevents `while (loops --> 0)`. BUG=skia: Review URL: https://codereview.chromium.org/1379923005
76 lines
1.9 KiB
C++
76 lines
1.9 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 "SkCanvas.h"
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#include "SkString.h"
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class WritePixelsBench : public Benchmark {
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public:
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WritePixelsBench(SkColorType ct, SkAlphaType at)
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: fColorType(ct)
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, fAlphaType(at)
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, fName("writepix")
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{
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switch (ct) {
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case kRGBA_8888_SkColorType:
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fName.append("_RGBA");
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break;
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case kBGRA_8888_SkColorType:
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fName.append("_BGRA");
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break;
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default:
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SkASSERT(0);
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break;
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}
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switch (at) {
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case kPremul_SkAlphaType:
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fName.append("_PM");
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break;
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case kUnpremul_SkAlphaType:
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fName.append("_UPM");
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break;
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default:
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SkASSERT(0);
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break;
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}
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}
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protected:
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const char* onGetName() override {
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return fName.c_str();
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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SkISize size = canvas->getDeviceSize();
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canvas->clear(0xFFFF0000);
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SkBitmap bmp;
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bmp.allocN32Pixels(size.width(), size.height());
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canvas->readPixels(&bmp, 0, 0);
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SkImageInfo info = SkImageInfo::Make(bmp.width(), bmp.height(), fColorType, fAlphaType);
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for (int loop = 0; loop < loops; ++loop) {
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canvas->writePixels(info, bmp.getPixels(), bmp.rowBytes(), 0, 0);
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}
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}
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private:
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SkColorType fColorType;
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SkAlphaType fAlphaType;
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SkString fName;
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typedef Benchmark INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kPremul_SkAlphaType);)
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DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kUnpremul_SkAlphaType);)
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