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
|
/*
* 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 "SkBenchmark.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkColorPriv.h"
#include "SkPaint.h"
#include "SkShader.h"
#include "SkString.h"
static const char* gConfigName[] = {
"ERROR", "a1", "a8", "index8", "565", "4444", "8888"
};
static void draw_into_bitmap(const SkBitmap& bm) {
const int w = bm.width();
const int h = bm.height();
SkCanvas canvas(bm);
SkPaint p;
p.setAntiAlias(true);
p.setColor(SK_ColorRED);
canvas.drawCircle(SkIntToScalar(w)/2, SkIntToScalar(h)/2,
SkIntToScalar(SkMin32(w, h))*3/8, p);
SkRect r;
r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
p.setStyle(SkPaint::kStroke_Style);
p.setStrokeWidth(SkIntToScalar(4));
p.setColor(SK_ColorBLUE);
canvas.drawRect(r, p);
}
static int conv_6_to_byte(int x) {
return x * 0xFF / 5;
}
static int conv_byte_to_6(int x) {
return x * 5 / 255;
}
static uint8_t compute_666_index(SkPMColor c) {
int r = SkGetPackedR32(c);
int g = SkGetPackedG32(c);
int b = SkGetPackedB32(c);
return conv_byte_to_6(r) * 36 + conv_byte_to_6(g) * 6 + conv_byte_to_6(b);
}
static void convert_to_index666(const SkBitmap& src, SkBitmap* dst,
bool isOpaque) {
SkPMColor storage[216];
SkPMColor* colors = storage;
// rrr ggg bbb
for (int r = 0; r < 6; r++) {
int rr = conv_6_to_byte(r);
for (int g = 0; g < 6; g++) {
int gg = conv_6_to_byte(g);
for (int b = 0; b < 6; b++) {
int bb = conv_6_to_byte(b);
*colors++ = SkPreMultiplyARGB(0xFF, rr, gg, bb);
}
}
}
SkAlphaType aType = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
SkColorTable* ctable = new SkColorTable(storage, 216, aType);
dst->setConfig(SkBitmap::kIndex8_Config, src.width(), src.height());
dst->allocPixels(ctable);
ctable->unref();
SkAutoLockPixels alps(src);
SkAutoLockPixels alpd(*dst);
for (int y = 0; y < src.height(); y++) {
const SkPMColor* srcP = src.getAddr32(0, y);
uint8_t* dstP = dst->getAddr8(0, y);
for (int x = src.width() - 1; x >= 0; --x) {
*dstP++ = compute_666_index(*srcP++);
}
}
}
class RepeatTileBench : public SkBenchmark {
SkPaint fPaint;
SkString fName;
SkBitmap fBitmap;
bool fIsOpaque;
SkBitmap::Config fConfig;
public:
RepeatTileBench(SkBitmap::Config c, bool isOpaque = false) {
const int w = 50;
const int h = 50;
fConfig = c;
fIsOpaque = isOpaque;
if (SkBitmap::kIndex8_Config == fConfig) {
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
} else {
fBitmap.setConfig(fConfig, w, h);
}
fName.printf("repeatTile_%s_%c",
gConfigName[fBitmap.config()], isOpaque ? 'X' : 'A');
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onPreDraw() SK_OVERRIDE {
fBitmap.allocPixels();
fBitmap.eraseColor(fIsOpaque ? SK_ColorWHITE : 0);
fBitmap.setAlphaType(fIsOpaque ?
kOpaque_SkAlphaType : kPremul_SkAlphaType);
draw_into_bitmap(fBitmap);
if (SkBitmap::kIndex8_Config == fConfig) {
SkBitmap tmp;
convert_to_index666(fBitmap, &tmp, fIsOpaque);
fBitmap = tmp;
}
SkShader* s = SkShader::CreateBitmapShader(fBitmap,
SkShader::kRepeat_TileMode,
SkShader::kRepeat_TileMode);
fPaint.setShader(s)->unref();
}
virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint(fPaint);
this->setupPaint(&paint);
for (int i = 0; i < loops; i++) {
canvas->drawPaint(paint);
}
}
private:
typedef SkBenchmark INHERITED;
};
DEF_BENCH(return new RepeatTileBench(SkBitmap::kARGB_8888_Config, true))
DEF_BENCH(return new RepeatTileBench(SkBitmap::kARGB_8888_Config, false))
DEF_BENCH(return new RepeatTileBench(SkBitmap::kRGB_565_Config))
DEF_BENCH(return new RepeatTileBench(SkBitmap::kIndex8_Config))
|
