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
|
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/time.h>
#include <ctype.h>
#include <unistd.h>
#include <cairo.h>
#include "tools.h"
#define NUM_RUNS 64
#define WIDTH 640
#define HEIGHT 480
#define rdtscll(val) __asm__ __volatile__("rdtsc" : "=A" (val))
static int test (cairo_surface_t *surface, const char *png_filename)
{
cairo_surface_t *image = cairo_image_surface_create_from_png (png_filename);
cairo_pattern_t *pattern;
uint64_t before = 0;
uint64_t after = 0;
cairo_t *cr;
cr = cairo_create (surface);
cairo_set_source_rgba (cr, 0, 0, 0, 0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
cairo_fill (cr);
pattern = cairo_pattern_create_for_surface (image);
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE);
cairo_set_source (cr, pattern);
cairo_rectangle (cr, 128, 128, 128, 128);
cairo_clip (cr);
rdtscll (before);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
cairo_fill (cr);
rdtscll (after);
cairo_destroy (cr);
cairo_pattern_destroy (pattern);
return (int) (after - before);
}
static const char *filenames[] = {
"640x480-empty",
"640x480-opaque",
"640x480-shapes",
"640x480-text",
"640x480-transparentshapes"
};
int main( int argc, char **argv )
{
cairo_surface_t *surface;
int i;
surface = output_create_surface (argv [0], WIDTH, HEIGHT);
for (i = 0; i < sizeof (filenames) / sizeof (const char *); i++) {
char input_filename [1024];
char output_filename [1024];
int j;
fprintf (stderr, "Testing %s...\n", filenames [i]);
sprintf (input_filename, "%s.png", filenames [i]);
sprintf (output_filename, "%s-over-transparent-out.png",
filenames [i]);
test (surface, input_filename);
cairo_surface_write_to_png (surface, output_filename);
for (j = 0; j < NUM_RUNS; j++) {
int cur = test (surface, input_filename);
fprintf (stderr, "\t%d: %d (%.2f ms)\n", j, cur,
get_milliseconds (cur));
}
}
cairo_surface_destroy( surface );
output_cleanup ();
return 0;
}
|
