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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkString.h"
// Time variants of write-pixels
// [ colortype ][ alphatype ][ colorspace ]
// Different combinations can trigger fast or slow paths in the impls
//
class WritePixelsBench : public Benchmark {
public:
WritePixelsBench(SkColorType ct, SkAlphaType at, sk_sp<SkColorSpace> cs)
: fColorType(ct)
, fAlphaType(at)
, fCS(cs)
{
fName.printf("writepix_%s_%s_%s",
at == kPremul_SkAlphaType ? "pm" : "um",
ct == kRGBA_8888_SkColorType ? "rgba" : "bgra",
cs ? "srgb" : "null");
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas* canvas) override {
SkISize size = canvas->getBaseLayerSize();
SkImageInfo info = SkImageInfo::Make(size, fColorType, fAlphaType, fCS);
SkBitmap bmp;
bmp.allocPixels(info);
bmp.eraseColor(SK_ColorBLACK);
for (int loop = 0; loop < loops; ++loop) {
canvas->writePixels(info, bmp.getPixels(), bmp.rowBytes(), 0, 0);
}
}
private:
SkColorType fColorType;
SkAlphaType fAlphaType;
sk_sp<SkColorSpace> fCS;
SkString fName;
using INHERITED = Benchmark;
};
//////////////////////////////////////////////////////////////////////////////
DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr);)
DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kUnpremul_SkAlphaType, nullptr);)
DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB());)
DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kUnpremul_SkAlphaType, SkColorSpace::MakeSRGB());)
DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kPremul_SkAlphaType, nullptr);)
DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, nullptr);)
DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB());)
DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, SkColorSpace::MakeSRGB());)
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