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92 lines
2.7 KiB
92 lines
2.7 KiB
4 months ago
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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 "bench/Benchmark.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPath.h"
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#include "include/pathops/SkPathOps.h"
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class ClipStrategyBench : public Benchmark {
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public:
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enum class Mode {
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kClipPath,
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kMask,
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};
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ClipStrategyBench(Mode mode, size_t count)
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: fMode(mode)
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, fCount(count)
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, fName("clip_strategy_"){
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if (fMode == Mode::kClipPath) {
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fName.append("path_");
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this->forEachClipCircle([&](float x, float y, float r) {
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fClipPath.addCircle(x, y, r);
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});
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} else {
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fName.append("mask_");
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}
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fName.appendf("%zu", count);
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}
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~ClipStrategyBench() override = default;
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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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SkPaint p, srcIn;
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p.setAntiAlias(true);
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srcIn.setBlendMode(SkBlendMode::kSrcIn);
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for (int i = 0; i < loops; ++i) {
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SkAutoCanvasRestore acr(canvas, false);
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if (fMode == Mode::kClipPath) {
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canvas->save();
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canvas->clipPath(fClipPath, true);
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} else {
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canvas->saveLayer(nullptr, nullptr);
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this->forEachClipCircle([&](float x, float y, float r) {
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canvas->drawCircle(x, y, r, p);
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});
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canvas->saveLayer(nullptr, &srcIn);
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}
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canvas->drawColor(SK_ColorGREEN);
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}
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}
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private:
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template <typename Func>
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void forEachClipCircle(Func&& func) {
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auto q = static_cast<float>(this->getSize().x()) / (fCount + 1);
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for (size_t i = 1; i <= fCount; ++i) {
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auto x = q * i;
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func(x, x, q / 2);
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}
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}
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Mode fMode;
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size_t fCount;
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SkString fName;
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SkPath fClipPath;
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using INHERITED = Benchmark;
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};
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 1 );)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 5 );)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 10 );)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 100);)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 1 );)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 5 );)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 10 );)
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DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 100);)
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