| /* |
| * 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" |
| |
| 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().width()) / (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; |
| |
| using INHERITED = Benchmark; |
| }; |
| |
| 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);) |