9ba9d7d1cb
Gradient code still uses some of the helpers, otherwise they could be moved to SkColor.cpp. Bug: skia: Change-Id: I2e5076e9cc81669440fbf29a95113e45642b307f Reviewed-on: https://skia-review.googlesource.com/c/165307 Reviewed-by: Brian Osman <brianosman@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* Copyright 2017 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 "SkColor.h"
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#include "SkColorSpaceXformer.h"
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#include "SkColorSpaceXformSteps.h"
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#include "SkMakeUnique.h"
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#include "SkRandom.h"
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enum class Mode { steps, xformer };
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struct ColorSpaceXformBench : public Benchmark {
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ColorSpaceXformBench(Mode mode) : fMode(mode) {}
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const Mode fMode;
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std::unique_ptr<SkColorSpaceXformSteps> fSteps;
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std::unique_ptr<SkColorSpaceXformer> fXformer;
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const char* onGetName() override {
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switch (fMode) {
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case Mode::steps : return "ColorSpaceXformBench_steps";
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case Mode::xformer: return "ColorSpaceXformBench_xformer";
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}
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return "";
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}
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bool isSuitableFor(Backend backend) override { return kNonRendering_Backend == backend; }
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void onDelayedSetup() override {
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sk_sp<SkColorSpace> src = SkColorSpace::MakeSRGB(),
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dst = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
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SkColorSpace::kDCIP3_D65_Gamut);
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fSteps = skstd::make_unique<SkColorSpaceXformSteps>(src.get(), kOpaque_SkAlphaType,
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dst.get(), kPremul_SkAlphaType);
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fXformer = SkColorSpaceXformer::Make(dst); // src is implicitly sRGB, what we want anyway
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}
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void onDraw(int n, SkCanvas* canvas) override {
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volatile SkColor junk = 0;
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SkRandom rand;
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for (int i = 0; i < n; i++) {
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SkColor src = rand.nextU(),
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dst;
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switch (fMode) {
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case Mode::steps: {
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SkColor4f rgba = SkColor4f::FromColor(src);
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fSteps->apply(rgba.vec());
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dst = rgba.toSkColor();
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} break;
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case Mode::xformer: {
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dst = fXformer->apply(src);
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} break;
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}
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if (false && i == 0) {
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SkDebugf("%x ~~> %x\n", src, dst);
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}
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junk ^= dst;
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}
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}
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};
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DEF_BENCH(return new ColorSpaceXformBench{Mode::steps };)
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DEF_BENCH(return new ColorSpaceXformBench{Mode::xformer};)
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