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
|
#include <math.h>
#include <stdlib.h>
#include <clutter/clutter.h>
#include "test-common.h"
#define N_ACTORS 100
#define N_EVENTS 5
static gint n_actors = N_ACTORS;
static gint n_events = N_EVENTS;
static GOptionEntry entries[] = {
{
"num-actors", 'a',
0,
G_OPTION_ARG_INT, &n_actors,
"Number of actors", "ACTORS"
},
{
"num-events", 'e',
0,
G_OPTION_ARG_INT, &n_events,
"Number of events", "EVENTS"
},
{ NULL }
};
static gboolean
motion_event_cb (ClutterActor *actor, ClutterEvent *event, gpointer user_data)
{
return FALSE;
}
static void
do_events (ClutterActor *stage)
{
glong i;
static gdouble angle = 0;
for (i = 0; i < n_events; i++)
{
angle += (2.0 * G_PI) / (gdouble)n_actors;
while (angle > G_PI * 2.0)
angle -= G_PI * 2.0;
/* If we synthesized events, they would be motion compressed;
* calling get_actor_at_position() doesn't have that problem
*/
clutter_stage_get_actor_at_pos (CLUTTER_STAGE (stage),
CLUTTER_PICK_REACTIVE,
256.0 + 206.0 * cos (angle),
256.0 + 206.0 * sin (angle));
}
}
static gboolean queue_redraw (gpointer data)
{
ClutterActor *stage = CLUTTER_ACTOR (data);
clutter_actor_queue_redraw (stage);
do_events (stage);
return TRUE;
}
int
main (int argc, char **argv)
{
glong i;
gdouble angle;
ClutterColor color = { 0x00, 0x00, 0x00, 0xff };
ClutterActor *stage, *rect;
clutter_perf_fps_init ();
if (CLUTTER_INIT_SUCCESS !=
clutter_init_with_args (&argc, &argv,
NULL,
entries,
NULL,
NULL))
{
g_warning ("Failed to initialize clutter");
return -1;
}
stage = clutter_stage_new ();
clutter_actor_set_size (stage, 512, 512);
clutter_stage_set_color (CLUTTER_STAGE (stage), CLUTTER_COLOR_Black);
clutter_stage_set_title (CLUTTER_STAGE (stage), "Picking Performance");
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
printf ("Picking performance test with "
"%d actors and %d events per frame\n",
n_actors,
n_events);
for (i = n_actors - 1; i >= 0; i--)
{
angle = ((2.0 * G_PI) / (gdouble) n_actors) * i;
color.red = (1.0 - ABS ((MAX (0, MIN (n_actors/2.0 + 0, i))) /
(gdouble)(n_actors/4.0) - 1.0)) * 255.0;
color.green = (1.0 - ABS ((MAX (0, MIN (n_actors/2.0 + 0,
fmod (i + (n_actors/3.0)*2, n_actors)))) /
(gdouble)(n_actors/4) - 1.0)) * 255.0;
color.blue = (1.0 - ABS ((MAX (0, MIN (n_actors/2.0 + 0,
fmod ((i + (n_actors/3.0)), n_actors)))) /
(gdouble)(n_actors/4.0) - 1.0)) * 255.0;
rect = clutter_rectangle_new_with_color (&color);
clutter_actor_set_size (rect, 100, 100);
clutter_actor_set_anchor_point_from_gravity (rect,
CLUTTER_GRAVITY_CENTER);
clutter_actor_set_position (rect,
256 + 206 * cos (angle),
256 + 206 * sin (angle));
clutter_actor_set_reactive (rect, TRUE);
g_signal_connect (rect, "motion-event",
G_CALLBACK (motion_event_cb), NULL);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
}
clutter_actor_show (stage);
clutter_perf_fps_start (CLUTTER_STAGE (stage));
clutter_threads_add_idle (queue_redraw, stage);
clutter_main ();
clutter_perf_fps_report ("test-picking");
return 0;
}
|
