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/*
* Copyright 2019 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/SkCanvas.h"
#include "include/core/SkImage.h"
#include "include/core/SkString.h"
#include "include/core/SkSurface.h"
#include "src/core/SkAutoPixmapStorage.h"
class CTConvertBench : public Benchmark {
public:
enum class Mode { kDrawBitmap, kReadPixels };
CTConvertBench(SkColorType from, SkColorType to, Mode m)
: fName(SkStringPrintf("ctconvert_%d_%d_%s", from, to,
m == Mode::kReadPixels ? "readpixels" : "drawbitmap"))
, fFrom(from)
, fTo(to)
, fMode(m) {}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onPreDraw(SkCanvas*) override {
if (fSrc.addr()) return;
fSrc.alloc(SkImageInfo::Make(kBMSize, kBMSize, fFrom, kPremul_SkAlphaType));
fSrc.erase(0x80808080);
fDst.alloc(SkImageInfo::Make(kBMSize, kBMSize, fTo , kPremul_SkAlphaType));
if (fMode == Mode::kDrawBitmap) {
fSrcBM.installPixels(fSrc);
fDstSurf = SkSurface::MakeRasterDirect(fDst.info(), fDst.writable_addr(),
fDst.info().minRowBytes());
}
}
void onDraw(int loops, SkCanvas*) override {
switch (fMode) {
case Mode::kDrawBitmap: {
SkPaint p;
p.setBlendMode(SkBlendMode::kSrc);
for (int i = 0; i < loops; ++i) {
fDstSurf->getCanvas()->drawBitmap(fSrcBM, 0, 0, &p);
}
} break;
case Mode::kReadPixels: {
for (int i = 0; i < loops; ++i) {
fSrc.readPixels(fDst);
}
} break;
}
}
private:
static constexpr size_t kBMSize = 512;
const SkString fName;
const SkColorType fFrom, fTo;
const Mode fMode;
SkAutoPixmapStorage fSrc, fDst;
SkBitmap fSrcBM;
sk_sp<SkSurface> fDstSurf;
typedef Benchmark INHERITED;
};
DEF_BENCH( return new CTConvertBench(kRGBA_8888_SkColorType, kBGRA_8888_SkColorType,
CTConvertBench::Mode::kDrawBitmap); )
DEF_BENCH( return new CTConvertBench(kRGBA_8888_SkColorType, kBGRA_8888_SkColorType,
CTConvertBench::Mode::kReadPixels); )
DEF_BENCH( return new CTConvertBench(kRGBA_8888_SkColorType, kRGBA_8888_SkColorType,
CTConvertBench::Mode::kDrawBitmap); )
DEF_BENCH( return new CTConvertBench(kRGBA_8888_SkColorType, kRGBA_8888_SkColorType,
CTConvertBench::Mode::kReadPixels); )
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