Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 8 | #include "Benchmark.h" |
| 9 | #include "SkColor.h" |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 10 | #include "SkColorSpaceXformer.h" |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 11 | #include "SkColorSpaceXformSteps.h" |
| 12 | #include "SkMakeUnique.h" |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 13 | #include "SkRandom.h" |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 14 | |
Mike Klein | 1a3eb52 | 2018-10-18 10:11:00 -0400 | [diff] [blame] | 15 | enum class Mode { steps, xformer }; |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 16 | |
| 17 | struct ColorSpaceXformBench : public Benchmark { |
| 18 | ColorSpaceXformBench(Mode mode) : fMode(mode) {} |
| 19 | |
| 20 | const Mode fMode; |
| 21 | |
Mike Klein | 1a3eb52 | 2018-10-18 10:11:00 -0400 | [diff] [blame] | 22 | std::unique_ptr<SkColorSpaceXformSteps> fSteps; |
| 23 | std::unique_ptr<SkColorSpaceXformer> fXformer; |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 24 | |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 25 | const char* onGetName() override { |
| 26 | switch (fMode) { |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 27 | case Mode::steps : return "ColorSpaceXformBench_steps"; |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 28 | case Mode::xformer: return "ColorSpaceXformBench_xformer"; |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 29 | } |
| 30 | return ""; |
| 31 | } |
| 32 | |
| 33 | bool isSuitableFor(Backend backend) override { return kNonRendering_Backend == backend; } |
| 34 | |
| 35 | void onDelayedSetup() override { |
| 36 | sk_sp<SkColorSpace> src = SkColorSpace::MakeSRGB(), |
| 37 | dst = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma, |
| 38 | SkColorSpace::kDCIP3_D65_Gamut); |
| 39 | |
Mike Klein | 8f3d36c | 2018-08-14 10:28:05 -0400 | [diff] [blame] | 40 | fSteps = skstd::make_unique<SkColorSpaceXformSteps>(src.get(), kOpaque_SkAlphaType, |
| 41 | dst.get(), kPremul_SkAlphaType); |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 42 | fXformer = SkColorSpaceXformer::Make(dst); // src is implicitly sRGB, what we want anyway |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | void onDraw(int n, SkCanvas* canvas) override { |
| 46 | volatile SkColor junk = 0; |
| 47 | SkRandom rand; |
| 48 | |
| 49 | for (int i = 0; i < n; i++) { |
| 50 | SkColor src = rand.nextU(), |
| 51 | dst; |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 52 | switch (fMode) { |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 53 | case Mode::steps: { |
Brian Osman | 9ba9d7d | 2018-10-26 13:31:32 -0400 | [diff] [blame] | 54 | SkColor4f rgba = SkColor4f::FromColor(src); |
| 55 | fSteps->apply(rgba.vec()); |
| 56 | dst = rgba.toSkColor(); |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 57 | } break; |
| 58 | |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 59 | case Mode::xformer: { |
| 60 | dst = fXformer->apply(src); |
| 61 | } break; |
Mike Klein | 4ed73e0 | 2018-08-06 17:03:33 -0400 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | if (false && i == 0) { |
| 65 | SkDebugf("%x ~~> %x\n", src, dst); |
| 66 | } |
| 67 | |
| 68 | junk ^= dst; |
| 69 | } |
| 70 | } |
| 71 | }; |
| 72 | |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 73 | DEF_BENCH(return new ColorSpaceXformBench{Mode::steps };) |
Mike Klein | c857956 | 2018-08-07 13:21:21 -0400 | [diff] [blame] | 74 | DEF_BENCH(return new ColorSpaceXformBench{Mode::xformer};) |