4cd9e2169e
add corresponding methods to device (w/ diff name to avoid colliding with exising virtuals) BUG=skia: R=bsalomon@google.com, robertphillips@google.com, junov@google.com, junov@chromium.org Author: reed@google.com Review URL: https://codereview.chromium.org/180113010 git-svn-id: http://skia.googlecode.com/svn/trunk@13697 2bbb7eff-a529-9590-31e7-b0007b416f81
72 lines
2.2 KiB
C++
72 lines
2.2 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 "SkBenchmark.h"
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#include "SkCanvas.h"
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#include "SkConfig8888.h"
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#include "SkString.h"
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#include "sk_tool_utils.h"
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class PremulAndUnpremulAlphaOpsBench : public SkBenchmark {
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public:
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PremulAndUnpremulAlphaOpsBench(SkCanvas::Config8888 config) {
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fUnPremulConfig = config;
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fName.printf("premul_and_unpremul_alpha_%s",
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(config == SkCanvas::kRGBA_Unpremul_Config8888) ?
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"RGBA8888" : "Native8888");
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return fName.c_str();
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}
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virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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canvas->clear(SK_ColorBLACK);
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SkISize size = canvas->getDeviceSize();
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SkBitmap bmp1;
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bmp1.setConfig(SkBitmap::kARGB_8888_Config, size.width(),
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size.height());
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bmp1.allocPixels();
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SkAutoLockPixels alp(bmp1);
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uint32_t* pixels = reinterpret_cast<uint32_t*>(bmp1.getPixels());
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for (int h = 0; h < size.height(); ++h) {
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for (int w = 0; w < size.width(); ++w)
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pixels[h * size.width() + w] = SkPackConfig8888(fUnPremulConfig,
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h & 0xFF, w & 0xFF, w & 0xFF, w & 0xFF);
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}
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SkBitmap bmp2;
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bmp2.setConfig(SkBitmap::kARGB_8888_Config, size.width(),
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size.height());
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SkColorType ct;
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SkAlphaType at;
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sk_tool_utils::config8888_to_imagetypes(fUnPremulConfig, &ct, &at);
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if (bmp1.isOpaque()) {
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at = kOpaque_SkAlphaType;
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}
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for (int loop = 0; loop < loops; ++loop) {
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// Unpremul -> Premul
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sk_tool_utils::write_pixels(canvas, bmp1, 0, 0, ct, at);
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// Premul -> Unpremul
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canvas->readPixels(&bmp2, 0, 0, fUnPremulConfig);
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}
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}
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private:
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SkCanvas::Config8888 fUnPremulConfig;
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SkString fName;
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typedef SkBenchmark INHERITED;
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};
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DEF_BENCH(return new PremulAndUnpremulAlphaOpsBench(SkCanvas::kRGBA_Unpremul_Config8888));
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DEF_BENCH(return new PremulAndUnpremulAlphaOpsBench(SkCanvas::kNative_Unpremul_Config8888));
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