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- /*
- * Copyright 2017 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "bench/Benchmark.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkPath.h"
- #include "include/pathops/SkPathOps.h"
- class ClipStrategyBench : public Benchmark {
- public:
- enum class Mode {
- kClipPath,
- kMask,
- };
- ClipStrategyBench(Mode mode, size_t count)
- : fMode(mode)
- , fCount(count)
- , fName("clip_strategy_"){
- if (fMode == Mode::kClipPath) {
- fName.append("path_");
- this->forEachClipCircle([&](float x, float y, float r) {
- fClipPath.addCircle(x, y, r);
- });
- } else {
- fName.append("mask_");
- }
- fName.appendf("%zu", count);
- }
- ~ClipStrategyBench() override = default;
- protected:
- const char* onGetName() override {
- return fName.c_str();
- }
- void onDraw(int loops, SkCanvas* canvas) override {
- SkPaint p, srcIn;
- p.setAntiAlias(true);
- srcIn.setBlendMode(SkBlendMode::kSrcIn);
- for (int i = 0; i < loops; ++i) {
- SkAutoCanvasRestore acr(canvas, false);
- if (fMode == Mode::kClipPath) {
- canvas->save();
- canvas->clipPath(fClipPath, true);
- } else {
- canvas->saveLayer(nullptr, nullptr);
- this->forEachClipCircle([&](float x, float y, float r) {
- canvas->drawCircle(x, y, r, p);
- });
- canvas->saveLayer(nullptr, &srcIn);
- }
- canvas->drawColor(SK_ColorGREEN);
- }
- }
- private:
- template <typename Func>
- void forEachClipCircle(Func&& func) {
- auto q = static_cast<float>(this->getSize().x()) / (fCount + 1);
- for (size_t i = 1; i <= fCount; ++i) {
- auto x = q * i;
- func(x, x, q / 2);
- }
- }
- Mode fMode;
- size_t fCount;
- SkString fName;
- SkPath fClipPath;
- typedef Benchmark INHERITED;
- };
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 1 );)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 5 );)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 10 );)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 100);)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 1 );)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 5 );)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 10 );)
- DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 100);)
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