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
|
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* cairo - a vector graphics library with display and print output
*
* Copyright (c) 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "cairo-perf.h"
#include <assert.h>
#define STEP 5
static void path (cairo_t *cr, int width, int height)
{
int i;
cairo_rectangle (cr, 0, 0, width, height);
cairo_clip (cr);
cairo_translate (cr, width/2, height/2);
cairo_rotate (cr, M_PI/4);
cairo_translate (cr, -width/2, -height/2);
for (i = 0; i < width; i += STEP) {
cairo_rectangle (cr, i, -2, 1, height+4);
cairo_rectangle (cr, -2, i, width+4, 1);
}
}
static void clip (cairo_t *cr, int width, int height)
{
int i, j;
for (j = 0; j < height; j += 2*STEP) {
for (i = 0; i < width; i += 2*STEP)
cairo_rectangle (cr, i, j, STEP, STEP);
j += 2*STEP;
for (i = 0; i < width; i += 2*STEP)
cairo_rectangle (cr, i+STEP/2, j, STEP, STEP);
}
cairo_clip (cr);
}
static cairo_time_t
draw (cairo_t *cr, int width, int height, int loops)
{
cairo_save (cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_perf_timer_start ();
while (loops--) {
cairo_save (cr);
clip (cr, width, height);
path (cr, width, height);
cairo_fill (cr);
cairo_restore (cr);
}
cairo_perf_timer_stop ();
cairo_restore (cr);
return cairo_perf_timer_elapsed ();
}
cairo_bool_t
disjoint_enabled (cairo_perf_t *perf)
{
return cairo_perf_can_run (perf, "disjoint", NULL);
}
void
disjoint (cairo_perf_t *perf, cairo_t *cr, int width, int height)
{
if (! cairo_perf_can_run (perf, "disjoint", NULL))
return;
cairo_perf_run (perf, "disjoint", draw, NULL);
}
|