1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkColor.h"
#include "SkNullCanvas.h"
#include "SkPaint.h"
#include "SkPicture.h"
#include "SkPictureRecorder.h"
#include "SkString.h"
class PictureNesting : public Benchmark {
public:
PictureNesting(const char* name, int maxLevel, int maxPictureLevel)
: fMaxLevel(maxLevel)
, fMaxPictureLevel(maxPictureLevel) {
fPaint.setColor(SK_ColorRED);
fPaint.setAntiAlias(true);
fPaint.setStyle(SkPaint::kStroke_Style);
SkAutoTUnref<SkCanvas> nullCanvas(SkCreateNullCanvas());
fName.printf("picture_nesting_%s_%d", name, this->sierpinsky(nullCanvas, 0, fPaint));
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
void doDraw(SkCanvas* canvas) {
SkIPoint canvasSize = onGetSize();
canvas->save();
canvas->scale(SkIntToScalar(canvasSize.x()), SkIntToScalar(canvasSize.y()));
this->sierpinsky(canvas, 0, fPaint);
canvas->restore();
}
int sierpinsky(SkCanvas* canvas, int lvl, const SkPaint& paint) {
if (++lvl > fMaxLevel) {
return 0;
}
int pics = 0;
bool recordPicture = lvl <= fMaxPictureLevel;
SkPictureRecorder recorder;
SkCanvas* c = canvas;
if (recordPicture) {
c = recorder.beginRecording(1, 1);
pics++;
}
c->drawLine(0.5, 0, 0, 1, paint);
c->drawLine(0.5, 0, 1, 1, paint);
c->drawLine(0, 1, 1, 1, paint);
c->save();
c->scale(0.5, 0.5);
c->translate(0, 1);
pics += this->sierpinsky(c, lvl, paint);
c->translate(1, 0);
pics += this->sierpinsky(c, lvl, paint);
c->translate(-0.5, -1);
pics += this->sierpinsky(c, lvl, paint);
c->restore();
if (recordPicture) {
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
canvas->drawPicture(picture);
}
return pics;
}
int fMaxLevel;
int fMaxPictureLevel;
private:
SkString fName;
SkPaint fPaint;
typedef Benchmark INHERITED;
};
class PictureNestingRecording : public PictureNesting {
public:
PictureNestingRecording(int maxLevel, int maxPictureLevel)
: INHERITED("recording", maxLevel, maxPictureLevel) {
}
protected:
virtual bool isSuitableFor(Backend backend) {
return backend == kNonRendering_Backend;
}
virtual void onDraw(const int loops, SkCanvas*) {
SkIPoint canvasSize = onGetSize();
SkPictureRecorder recorder;
for (int i = 0; i < loops; i++) {
SkCanvas* c = recorder.beginRecording(SkIntToScalar(canvasSize.x()),
SkIntToScalar(canvasSize.y()));
this->doDraw(c);
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
}
}
private:
typedef PictureNesting INHERITED;
};
class PictureNestingPlayback : public PictureNesting {
public:
PictureNestingPlayback(int maxLevel, int maxPictureLevel)
: INHERITED("playback", maxLevel, maxPictureLevel) {
SkIPoint canvasSize = onGetSize();
SkPictureRecorder recorder;
SkCanvas* c = recorder.beginRecording(SkIntToScalar(canvasSize.x()),
SkIntToScalar(canvasSize.y()));
this->doDraw(c);
fPicture.reset(recorder.endRecording());
}
protected:
virtual void onDraw(const int loops, SkCanvas* canvas) {
for (int i = 0; i < loops; i++) {
canvas->drawPicture(fPicture);
}
}
private:
SkAutoTUnref<SkPicture> fPicture;
typedef PictureNesting INHERITED;
};
DEF_BENCH( return new PictureNestingRecording(8, 0); )
DEF_BENCH( return new PictureNestingRecording(8, 1); )
DEF_BENCH( return new PictureNestingRecording(8, 2); )
DEF_BENCH( return new PictureNestingRecording(8, 3); )
DEF_BENCH( return new PictureNestingRecording(8, 4); )
DEF_BENCH( return new PictureNestingRecording(8, 5); )
DEF_BENCH( return new PictureNestingRecording(8, 6); )
DEF_BENCH( return new PictureNestingRecording(8, 7); )
DEF_BENCH( return new PictureNestingRecording(8, 8); )
DEF_BENCH( return new PictureNestingPlayback(8, 0); )
DEF_BENCH( return new PictureNestingPlayback(8, 1); )
DEF_BENCH( return new PictureNestingPlayback(8, 2); )
DEF_BENCH( return new PictureNestingPlayback(8, 3); )
DEF_BENCH( return new PictureNestingPlayback(8, 4); )
DEF_BENCH( return new PictureNestingPlayback(8, 5); )
DEF_BENCH( return new PictureNestingPlayback(8, 6); )
DEF_BENCH( return new PictureNestingPlayback(8, 7); )
DEF_BENCH( return new PictureNestingPlayback(8, 8); )
|
