114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
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/*
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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 "../src/jumper/SkJumper.h"
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#include "Benchmark.h"
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#include "SkColor.h"
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#include "SkColorSpaceXform.h"
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#include "SkColorSpaceXformSteps.h"
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#include "SkMakeUnique.h"
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#include "SkPM4fPriv.h"
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#include "SkRandom.h"
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#include "SkRasterPipeline.h"
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enum class Mode { xform, steps, pipeA, pipeB };
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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<SkColorSpaceXform> fXform;
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std::unique_ptr<SkColorSpaceXformSteps> fSteps;
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std::function<void(size_t, size_t, size_t, size_t)> fPipeA;
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SkJumper_MemoryCtx fPipeSrc = {nullptr,0},
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fPipeDst = {nullptr,0};
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SkSTArenaAlloc<1024> fAlloc;
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const char* onGetName() override {
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switch (fMode) {
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case Mode::xform: return "ColorSpaceXformBench_xform";
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case Mode::steps: return "ColorSpaceXformBench_steps";
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case Mode::pipeA: return "ColorSpaceXformBench_pipeA";
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case Mode::pipeB: return "ColorSpaceXformBench_pipeB";
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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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fXform = SkColorSpaceXform::New(src.get(), dst.get());
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fSteps = skstd::make_unique<SkColorSpaceXformSteps>(src.get(),
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kOpaque_SkAlphaType,
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dst.get());
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SkRasterPipeline p(&fAlloc);
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p.append(SkRasterPipeline::load_bgra, &fPipeSrc);
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fSteps->apply(&p);
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p.append(SkRasterPipeline::store_bgra, &fPipeDst);
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fPipeA = p.compile();
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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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fPipeSrc.pixels = &src;
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fPipeDst.pixels = &dst;
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switch (fMode) {
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case Mode::xform: {
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fXform->apply(SkColorSpaceXform::kBGRA_8888_ColorFormat, &dst,
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SkColorSpaceXform::kBGRA_8888_ColorFormat, &src,
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1, kUnpremul_SkAlphaType);
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} break;
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case Mode::steps: {
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float rgba[4];
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swizzle_rb(Sk4f_fromL32(src)).store(rgba);
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fSteps->apply(rgba);
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dst = Sk4f_toL32(swizzle_rb(Sk4f::Load(rgba)));
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} break;
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case Mode::pipeA: {
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fPipeA(0,0,1,1);
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} break;
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case Mode::pipeB: {
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SkSTArenaAlloc<1024> alloc;
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SkRasterPipeline p(&alloc);
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p.append(SkRasterPipeline::load_bgra, &fPipeSrc);
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fSteps->apply(&p);
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p.append(SkRasterPipeline::store_bgra, &fPipeDst);
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p.run(0,0,1,1);
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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::xform};)
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DEF_BENCH(return new ColorSpaceXformBench{Mode::steps};)
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DEF_BENCH(return new ColorSpaceXformBench{Mode::pipeA};)
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DEF_BENCH(return new ColorSpaceXformBench{Mode::pipeB};)
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