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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBenchmark.h"
#include "SkCanvas.h"
#include "SkColor.h"
#include "SkPaint.h"
#include "SkPicture.h"
#include "SkPoint.h"
#include "SkRandom.h"
#include "SkRect.h"
#include "SkString.h"
class PictureRecordBench : public SkBenchmark {
public:
PictureRecordBench(void* param, const char name[]) : INHERITED(param) {
fName.printf("picture_record_%s", name);
fPictureWidth = SkIntToScalar(PICTURE_WIDTH);
fPictureHeight = SkIntToScalar(PICTURE_HEIGHT);
}
enum {
N = SkBENCHLOOP(25), // number of times to create the picture
PICTURE_WIDTH = 1000,
PICTURE_HEIGHT = 4000,
};
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) {
int n = (int)(N * this->innerLoopScale());
n = SkMax32(1, n);
for (int i = 0; i < n; i++) {
SkPicture picture;
SkCanvas* pCanvas = picture.beginRecording(PICTURE_WIDTH, PICTURE_HEIGHT);
recordCanvas(pCanvas);
// we don't need to draw the picture as the endRecording step will
// do the work of transferring the recorded content into a playback
// object.
picture.endRecording();
}
}
virtual void recordCanvas(SkCanvas* canvas) = 0;
virtual float innerLoopScale() const { return 1; }
SkString fName;
SkScalar fPictureWidth;
SkScalar fPictureHeight;
SkScalar fTextSize;
private:
typedef SkBenchmark INHERITED;
};
/*
* An SkPicture has internal dictionaries to store bitmaps, matrices, paints,
* and regions. This bench populates those dictionaries to test the speed of
* reading and writing to those particular dictionary data structures.
*/
class DictionaryRecordBench : public PictureRecordBench {
public:
DictionaryRecordBench(void* param)
: INHERITED(param, "dictionaries") { }
enum {
M = SkBENCHLOOP(100), // number of elements in each dictionary
};
protected:
virtual void recordCanvas(SkCanvas* canvas) {
const SkPoint translateDelta = getTranslateDelta();
for (int i = 0; i < M; i++) {
SkColor color = SK_ColorYELLOW + (i % 255);
SkIRect rect = SkIRect::MakeWH(i,i);
canvas->save();
// set the clip to the given region
SkRegion region;
region.setRect(rect);
canvas->clipRegion(region);
// fill the clip with a color
SkPaint paint;
paint.setColor(color);
canvas->drawPaint(paint);
// set a matrix on the canvas
SkMatrix matrix;
matrix.setRotate(SkIntToScalar(i % 360));
canvas->setMatrix(matrix);
// create a simple bitmap
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kRGB_565_Config, 10, 10);
bitmap.allocPixels();
// draw a single color into the bitmap
SkCanvas bitmapCanvas(bitmap);
bitmapCanvas.drawColor(SkColorSetA(color, i % 255));
// draw the bitmap onto the canvas
canvas->drawBitmapMatrix(bitmap, matrix);
canvas->restore();
canvas->translate(translateDelta.fX, translateDelta.fY);
}
}
SkPoint getTranslateDelta() {
SkIPoint canvasSize = onGetSize();
return SkPoint::Make(SkIntToScalar((PICTURE_WIDTH - canvasSize.fX)/M),
SkIntToScalar((PICTURE_HEIGHT- canvasSize.fY)/M));
}
private:
typedef PictureRecordBench INHERITED;
};
/*
* Populates the SkPaint dictionary with a large number of unique paint
* objects that differ only by color
*/
class UniquePaintDictionaryRecordBench : public PictureRecordBench {
public:
UniquePaintDictionaryRecordBench(void* param)
: INHERITED(param, "unique_paint_dictionary") { }
enum {
M = SkBENCHLOOP(15000), // number of unique paint objects
};
protected:
virtual float innerLoopScale() const SK_OVERRIDE { return 0.1f; }
virtual void recordCanvas(SkCanvas* canvas) {
SkRandom rand;
for (int i = 0; i < M; i++) {
SkPaint paint;
paint.setColor(rand.nextU());
canvas->drawPaint(paint);
}
}
private:
typedef PictureRecordBench INHERITED;
};
/*
* Populates the SkPaint dictionary with a number of unique paint
* objects that get reused repeatedly
*/
class RecurringPaintDictionaryRecordBench : public PictureRecordBench {
public:
RecurringPaintDictionaryRecordBench(void* param)
: INHERITED(param, "recurring_paint_dictionary") { }
enum {
ObjCount = 100, // number of unique paint objects
M = SkBENCHLOOP(50000), // number of draw iterations
};
protected:
virtual float innerLoopScale() const SK_OVERRIDE { return 0.1f; }
virtual void recordCanvas(SkCanvas* canvas) {
for (int i = 0; i < M; i++) {
SkPaint paint;
paint.setColor(i % ObjCount);
canvas->drawPaint(paint);
}
}
private:
typedef PictureRecordBench INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static SkBenchmark* Fact0(void* p) { return new DictionaryRecordBench(p); }
static SkBenchmark* Fact1(void* p) { return new UniquePaintDictionaryRecordBench(p); }
static SkBenchmark* Fact2(void* p) { return new RecurringPaintDictionaryRecordBench(p); }
static BenchRegistry gReg0(Fact0);
static BenchRegistry gReg1(Fact1);
static BenchRegistry gReg2(Fact2);
|
