1/*
2 * Copyright 2015 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 "SkPaint.h"
10#include "SkPath.h"
11#include "SkRandom.h"
12#include "SkString.h"
13
14class StrokeBench : public Benchmark {
15public:
16    StrokeBench(const SkPath& path, const SkPaint& paint, const char pathType[], SkScalar res)
17        : fPath(path), fPaint(paint), fRes(res)
18    {
19        fName.printf("build_stroke_%s_%g_%d_%d",
20                     pathType, paint.getStrokeWidth(), paint.getStrokeJoin(), paint.getStrokeCap());
21    }
22
23protected:
24    bool isSuitableFor(Backend backend) override {
25        return backend == kNonRendering_Backend;
26    }
27
28    const char* onGetName() override { return fName.c_str(); }
29
30    void onDraw(int loops, SkCanvas* canvas) override {
31        SkPaint paint(fPaint);
32        this->setupPaint(&paint);
33
34        for (int outer = 0; outer < 10; ++outer) {
35            for (int i = 0; i < loops; ++i) {
36                SkPath result;
37                paint.getFillPath(fPath, &result, nullptr, fRes);
38            }
39        }
40    }
41
42private:
43    SkPath      fPath;
44    SkPaint     fPaint;
45    SkString    fName;
46    SkScalar    fRes;
47    typedef Benchmark INHERITED;
48};
49
50///////////////////////////////////////////////////////////////////////////////
51
52static const int N = 100;
53static const SkScalar X = 100;
54static const SkScalar Y = 100;
55
56static SkPoint rand_pt(SkRandom& rand) {
57    return SkPoint::Make(rand.nextSScalar1() * X, rand.nextSScalar1() * Y);
58}
59
60static SkPath line_path_maker() {
61    SkPath path;
62    SkRandom rand;
63    path.moveTo(rand_pt(rand));
64    for (int i = 0; i < N; ++i) {
65        path.lineTo(rand_pt(rand));
66    }
67    return path;
68}
69static SkPath quad_path_maker() {
70    SkPath path;
71    SkRandom rand;
72    path.moveTo(rand_pt(rand));
73    for (int i = 0; i < N; ++i) {
74        path.quadTo(rand_pt(rand), rand_pt(rand));
75    }
76    return path;
77}
78static SkPath conic_path_maker() {
79    SkPath path;
80    SkRandom rand;
81    path.moveTo(rand_pt(rand));
82    for (int i = 0; i < N; ++i) {
83        path.conicTo(rand_pt(rand), rand_pt(rand), rand.nextUScalar1());
84    }
85    return path;
86}
87static SkPath cubic_path_maker() {
88    SkPath path;
89    SkRandom rand;
90    path.moveTo(rand_pt(rand));
91    for (int i = 0; i < N; ++i) {
92        path.cubicTo(rand_pt(rand), rand_pt(rand), rand_pt(rand));
93    }
94    return path;
95}
96
97static SkPaint paint_maker() {
98    SkPaint paint;
99    paint.setStyle(SkPaint::kStroke_Style);
100    paint.setStrokeWidth(X / 10);
101    paint.setStrokeJoin(SkPaint::kMiter_Join);
102    paint.setStrokeCap(SkPaint::kSquare_Cap);
103    return paint;
104}
105
106DEF_BENCH(return new StrokeBench(line_path_maker(), paint_maker(), "line_1", 1);)
107DEF_BENCH(return new StrokeBench(quad_path_maker(), paint_maker(), "quad_1", 1);)
108DEF_BENCH(return new StrokeBench(conic_path_maker(), paint_maker(), "conic_1", 1);)
109DEF_BENCH(return new StrokeBench(cubic_path_maker(), paint_maker(), "cubic_1", 1);)
110
111DEF_BENCH(return new StrokeBench(line_path_maker(), paint_maker(), "line_4", 4);)
112DEF_BENCH(return new StrokeBench(quad_path_maker(), paint_maker(), "quad_4", 4);)
113DEF_BENCH(return new StrokeBench(conic_path_maker(), paint_maker(), "conic_4", 4);)
114DEF_BENCH(return new StrokeBench(cubic_path_maker(), paint_maker(), "cubic_4", 4);)
115
116DEF_BENCH(return new StrokeBench(line_path_maker(), paint_maker(), "line_.25", .25f);)
117DEF_BENCH(return new StrokeBench(quad_path_maker(), paint_maker(), "quad_.25", .25f);)
118DEF_BENCH(return new StrokeBench(conic_path_maker(), paint_maker(), "conic_.25", .25f);)
119DEF_BENCH(return new StrokeBench(cubic_path_maker(), paint_maker(), "cubic_.25", .25f);)
120