/* * 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/SkBitmap.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 fDstSurf; using INHERITED = Benchmark; }; 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); )