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