| /* |
| * 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/SkColorSpace.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());) |