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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* Copyright 2011 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 "SkPaint.h"
#include "SkPicture.h"
#include "SkPictureRecorder.h"
#include "SkPoint.h"
#include "SkRandom.h"
#include "SkRect.h"
#include "SkString.h"
// This is designed to emulate about 4 screens of textual content
class PicturePlaybackBench : public Benchmark {
public:
PicturePlaybackBench(const char name[]) {
fName.printf("picture_playback_%s", name);
fPictureWidth = SkIntToScalar(PICTURE_WIDTH);
fPictureHeight = SkIntToScalar(PICTURE_HEIGHT);
fTextSize = SkIntToScalar(TEXT_SIZE);
}
enum {
PICTURE_WIDTH = 1000,
PICTURE_HEIGHT = 4000,
TEXT_SIZE = 10
};
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(int loops, SkCanvas* canvas) {
SkPictureRecorder recorder;
SkCanvas* pCanvas = recorder.beginRecording(PICTURE_WIDTH, PICTURE_HEIGHT, nullptr, 0);
this->recordCanvas(pCanvas);
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
const SkPoint translateDelta = getTranslateDelta(loops);
for (int i = 0; i < loops; i++) {
picture->playback(canvas);
canvas->translate(translateDelta.fX, translateDelta.fY);
}
}
virtual void recordCanvas(SkCanvas* canvas) = 0;
virtual SkPoint getTranslateDelta(int N) {
SkIPoint canvasSize = onGetSize();
return SkPoint::Make(SkIntToScalar((PICTURE_WIDTH - canvasSize.fX)/N),
SkIntToScalar((PICTURE_HEIGHT- canvasSize.fY)/N));
}
SkString fName;
SkScalar fPictureWidth;
SkScalar fPictureHeight;
SkScalar fTextSize;
private:
typedef Benchmark INHERITED;
};
class TextPlaybackBench : public PicturePlaybackBench {
public:
TextPlaybackBench() : INHERITED("drawText") { }
protected:
void recordCanvas(SkCanvas* canvas) override {
SkPaint paint;
paint.setTextSize(fTextSize);
paint.setColor(SK_ColorBLACK);
const char* text = "Hamburgefons";
size_t len = strlen(text);
const SkScalar textWidth = paint.measureText(text, len);
for (SkScalar x = 0; x < fPictureWidth; x += textWidth) {
for (SkScalar y = 0; y < fPictureHeight; y += fTextSize) {
canvas->drawText(text, len, x, y, paint);
}
}
}
private:
typedef PicturePlaybackBench INHERITED;
};
class PosTextPlaybackBench : public PicturePlaybackBench {
public:
PosTextPlaybackBench(bool drawPosH)
: INHERITED(drawPosH ? "drawPosTextH" : "drawPosText")
, fDrawPosH(drawPosH) { }
protected:
void recordCanvas(SkCanvas* canvas) override {
SkPaint paint;
paint.setTextSize(fTextSize);
paint.setColor(SK_ColorBLACK);
const char* text = "Hamburgefons";
size_t len = strlen(text);
const SkScalar textWidth = paint.measureText(text, len);
SkScalar* adv = new SkScalar[len];
paint.getTextWidths(text, len, adv);
for (SkScalar x = 0; x < fPictureWidth; x += textWidth) {
for (SkScalar y = 0; y < fPictureHeight; y += fTextSize) {
SkPoint* pos = new SkPoint[len];
SkScalar advX = 0;
for (size_t i = 0; i < len; i++) {
if (fDrawPosH)
pos[i].set(x + advX, y);
else
pos[i].set(x + advX, y + i);
advX += adv[i];
}
canvas->drawPosText(text, len, pos, paint);
delete[] pos;
}
}
delete[] adv;
}
private:
bool fDrawPosH;
typedef PicturePlaybackBench INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new TextPlaybackBench(); )
DEF_BENCH( return new PosTextPlaybackBench(true); )
DEF_BENCH( return new PosTextPlaybackBench(false); )
// Chrome draws into small tiles with impl-side painting.
// This benchmark measures the relative performance of our bounding-box hierarchies,
// both when querying tiles perfectly and when not.
enum BBH { kNone, kRTree };
enum Mode { kTiled, kRandom };
class TiledPlaybackBench : public Benchmark {
public:
TiledPlaybackBench(BBH bbh, Mode mode) : fBBH(bbh), fMode(mode), fName("tiled_playback") {
switch (fBBH) {
case kNone: fName.append("_none" ); break;
case kRTree: fName.append("_rtree" ); break;
}
switch (fMode) {
case kTiled: fName.append("_tiled" ); break;
case kRandom: fName.append("_random"); break;
}
}
const char* onGetName() override { return fName.c_str(); }
SkIPoint onGetSize() override { return SkIPoint::Make(1024,1024); }
void onDelayedSetup() override {
std::unique_ptr<SkBBHFactory> factory;
switch (fBBH) {
case kNone: break;
case kRTree: factory.reset(new SkRTreeFactory); break;
}
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(1024, 1024, factory.get());
SkRandom rand;
for (int i = 0; i < 10000; i++) {
SkScalar x = rand.nextRangeScalar(0, 1024),
y = rand.nextRangeScalar(0, 1024),
w = rand.nextRangeScalar(0, 128),
h = rand.nextRangeScalar(0, 128);
SkPaint paint;
paint.setColor(rand.nextU());
paint.setAlpha(0xFF);
canvas->drawRect(SkRect::MakeXYWH(x,y,w,h), paint);
}
fPic = recorder.finishRecordingAsPicture();
}
void onDraw(int loops, SkCanvas* canvas) override {
for (int i = 0; i < loops; i++) {
// This inner loop guarantees we make the same choices for all bench variants.
SkRandom rand;
for (int j = 0; j < 10; j++) {
SkScalar x = 0, y = 0;
switch (fMode) {
case kTiled: x = SkScalar(256 * rand.nextULessThan(4));
y = SkScalar(256 * rand.nextULessThan(4));
break;
case kRandom: x = rand.nextRangeScalar(0, 768);
y = rand.nextRangeScalar(0, 768);
break;
}
SkAutoCanvasRestore ar(canvas, true/*save now*/);
canvas->clipRect(SkRect::MakeXYWH(x,y,256,256));
fPic->playback(canvas);
}
}
}
private:
BBH fBBH;
Mode fMode;
SkString fName;
sk_sp<SkPicture> fPic;
};
DEF_BENCH( return new TiledPlaybackBench(kNone, kRandom); )
DEF_BENCH( return new TiledPlaybackBench(kNone, kTiled ); )
DEF_BENCH( return new TiledPlaybackBench(kRTree, kRandom); )
DEF_BENCH( return new TiledPlaybackBench(kRTree, kTiled ); )
|
