blob: c65cf4b97d4222aaf13ba5846c97fe35e50cf045 [file] [log] [blame]
Florin Malitacda4e942017-11-16 09:33:36 -05001/*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "Benchmark.h"
9#include "SkCanvas.h"
10#include "SkPath.h"
11#include "SkPathOps.h"
12
13class ClipStrategyBench : public Benchmark {
14public:
15 enum class Mode {
16 kClipPath,
17 kMask,
18 };
19
20 ClipStrategyBench(Mode mode, size_t count)
21 : fMode(mode)
22 , fCount(count)
23 , fName("clip_strategy_"){
24
25 if (fMode == Mode::kClipPath) {
26 fName.append("path_");
27 this->forEachClipCircle([&](float x, float y, float r) {
28 fClipPath.addCircle(x, y, r);
29 });
30 } else {
31 fName.append("mask_");
32 }
33 fName.appendf("%zu", count);
34 }
35
36 ~ClipStrategyBench() override = default;
37
38protected:
39 const char* onGetName() override {
40 return fName.c_str();
41 }
42
43 void onDraw(int loops, SkCanvas* canvas) override {
44 SkPaint p, srcIn;
45 p.setAntiAlias(true);
46 srcIn.setBlendMode(SkBlendMode::kSrcIn);
47
48 for (int i = 0; i < loops; ++i) {
49 SkAutoCanvasRestore acr(canvas, false);
50
51 if (fMode == Mode::kClipPath) {
52 canvas->save();
53 canvas->clipPath(fClipPath, true);
54 } else {
55 canvas->saveLayer(nullptr, nullptr);
56 this->forEachClipCircle([&](float x, float y, float r) {
57 canvas->drawCircle(x, y, r, p);
58 });
59 canvas->saveLayer(nullptr, &srcIn);
60 }
61 canvas->drawColor(SK_ColorGREEN);
62 }
63 }
64
65private:
66 template <typename Func>
67 void forEachClipCircle(Func&& func) {
68 auto q = static_cast<float>(this->getSize().x()) / (fCount + 1);
69 for (size_t i = 1; i <= fCount; ++i) {
70 auto x = q * i;
71 func(x, x, q / 2);
72 }
73 }
74
75 Mode fMode;
76 size_t fCount;
77 SkString fName;
78 SkPath fClipPath;
79
80 typedef Benchmark INHERITED;
81};
82
83DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 1 );)
84DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 5 );)
85DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 10 );)
86DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 100);)
87
88DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 1 );)
89DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 5 );)
90DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 10 );)
91DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 100);)