af990f3bb9
Example run: 24/24 MB 14 332µs 338µs 337µs 341µs gl readpix_um_bgra_srgb 24/24 MB 9 568µs 581µs 581µs 595µs glsrgb readpix_um_bgra_srgb 29/29 MB 10 334µs 340µs 340µs 351µs gl readpix_um_bgra_null 28/29 MB 8 553µs 593µs 592µs 626µs glsrgb readpix_um_bgra_null 32/32 MB 15 334µs 338µs 344µs 388µs gl readpix_um_rgba_srgb 31/32 MB 9 546µs 574µs 571µs 595µs glsrgb readpix_um_rgba_srgb 32/32 MB 10 332µs 340µs 340µs 351µs gl readpix_um_rgba_null 31/32 MB 8 553µs 587µs 589µs 629µs glsrgb readpix_um_rgba_null 54/54 MB 14 364µs 369µs 370µs 383µs gl writepix_um_bgra_srgb 24/54 MB 19 278µs 290µs 288µs 294µs glsrgb writepix_um_bgra_srgb 58/58 MB 14 365µs 376µs 375µs 381µs gl writepix_um_bgra_null 27/58 MB 19 280µs 291µs 291µs 314µs glsrgb writepix_um_bgra_null 59/59 MB 14 368µs 374µs 375µs 382µs gl writepix_um_rgba_srgb 27/59 MB 19 280µs 298µs 295µs 324µs glsrgb writepix_um_rgba_srgb 62/62 MB 14 367µs 378µs 376µs 384µs gl writepix_um_rgba_null 30/62 MB 16 289µs 293µs 296µs 310µs glsrgb writepix_um_rgba_null Bug: skia: Change-Id: I36e4f68e60a39087c07cf5ff63045a29b56da8f7 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202703 Reviewed-by: Brian Osman <brianosman@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Mike Reed <reed@google.com>
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright 2013 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 "Benchmark.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkString.h"
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// Time variants of write-pixels
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// [ colortype ][ alphatype ][ colorspace ]
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// Different combinations can trigger fast or slow paths in the impls
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//
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class WritePixelsBench : public Benchmark {
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public:
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WritePixelsBench(SkColorType ct, SkAlphaType at, sk_sp<SkColorSpace> cs)
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: fColorType(ct)
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, fAlphaType(at)
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, fCS(cs)
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{
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fName.printf("writepix_%s_%s_%s",
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at == kPremul_SkAlphaType ? "pm" : "um",
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ct == kRGBA_8888_SkColorType ? "rgba" : "bgra",
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cs ? "srgb" : "null");
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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 onDraw(int loops, SkCanvas* canvas) override {
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SkISize size = canvas->getBaseLayerSize();
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SkImageInfo info = SkImageInfo::Make(size.width(), size.height(), fColorType, fAlphaType,
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fCS);
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SkBitmap bmp;
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bmp.allocPixels(info);
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bmp.eraseColor(SK_ColorBLACK);
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for (int loop = 0; loop < loops; ++loop) {
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canvas->writePixels(info, bmp.getPixels(), bmp.rowBytes(), 0, 0);
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}
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}
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private:
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SkColorType fColorType;
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SkAlphaType fAlphaType;
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sk_sp<SkColorSpace> fCS;
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SkString fName;
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typedef Benchmark INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr);)
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DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kUnpremul_SkAlphaType, nullptr);)
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DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB());)
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DEF_BENCH(return new WritePixelsBench(kRGBA_8888_SkColorType, kUnpremul_SkAlphaType, SkColorSpace::MakeSRGB());)
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DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kPremul_SkAlphaType, nullptr);)
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DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, nullptr);)
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DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB());)
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DEF_BENCH(return new WritePixelsBench(kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, SkColorSpace::MakeSRGB());)
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