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
|
/*
* 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 "SkRandom.h"
#include "SkRegion.h"
#include "SkString.h"
static bool union_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b, SkRegion::kUnion_Op);
}
static bool sect_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b, SkRegion::kIntersect_Op);
}
static bool diff_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b, SkRegion::kDifference_Op);
}
static bool containsrgn_proc(SkRegion& a, SkRegion& b) {
SkIRect r = a.getBounds();
r.inset(r.width()/4, r.height()/4);
(void)a.contains(r);
r = b.getBounds();
r.inset(r.width()/4, r.height()/4);
(void)b.contains(r);
}
static bool sects_proc(SkRegion& a, SkRegion& b) {
return a.intersects(b);
}
static bool containsxy_proc(SkRegion& a, SkRegion& b) {
const SkIRect& r = a.getBounds();
const int dx = r.width() / 8;
const int dy = r.height() / 8;
for (int y = r.fTop; y < r.fBottom; y += dy) {
for (int x = r.fLeft; x < r.fRight; x += dx) {
(void)a.contains(x, y);
}
}
return true;
}
class RegionBench : public SkBenchmark {
public:
typedef bool (*Proc)(SkRegion& a, SkRegion& b);
SkRegion fA, fB;
Proc fProc;
SkString fName;
enum {
W = 1024,
H = 768,
N = SkBENCHLOOP(2000)
};
SkIRect randrect(SkRandom& rand) {
int x = rand.nextU() % W;
int y = rand.nextU() % H;
int w = rand.nextU() % W;
int h = rand.nextU() % H;
return SkIRect::MakeXYWH(x, y, w >> 1, h >> 1);
}
RegionBench(void* param, int count, Proc proc, const char name[]) : INHERITED(param) {
fProc = proc;
fName.printf("Region_%s_%d", name, count);
SkRandom rand;
for (int i = 0; i < count; i++) {
fA.op(randrect(rand), SkRegion::kXOR_Op);
fB.op(randrect(rand), SkRegion::kXOR_Op);
}
}
protected:
virtual const char* onGetName() { return fName.c_str(); }
virtual void onDraw(SkCanvas* canvas) {
Proc proc = fProc;
for (int i = 0; i < N; ++i) {
proc(fA, fB);
}
}
private:
typedef SkBenchmark INHERITED;
};
#define SMALL 16
static SkBenchmark* gF0(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, union_proc, "union")); }
static SkBenchmark* gF1(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, sect_proc, "intersect")); }
static SkBenchmark* gF2(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, diff_proc, "difference")); }
static SkBenchmark* gF3(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, containsrgn_proc, "containsrgb")); }
static SkBenchmark* gF4(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, sects_proc, "intersects")); }
static SkBenchmark* gF5(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, containsxy_proc, "containsxy")); }
static BenchRegistry gR0(gF0);
static BenchRegistry gR1(gF1);
static BenchRegistry gR2(gF2);
static BenchRegistry gR3(gF3);
static BenchRegistry gR4(gF4);
static BenchRegistry gR5(gF5);
|
