mirror of
https://github.com/brl/mutter.git
synced 2024-11-23 16:40:41 -05:00
d960ce46e5
If it doesn't queue a redraw and allow the backend to clear and swap the buffers then the results will be skewed because it is not predictable when the driver will actually render the scene.
129 lines
2.6 KiB
C
129 lines
2.6 KiB
C
#include <clutter/clutter.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define STAGE_WIDTH 800
|
|
#define STAGE_HEIGHT 600
|
|
|
|
static int font_size;
|
|
static int n_chars;
|
|
static int rows, cols;
|
|
|
|
static void
|
|
on_paint (ClutterActor *actor, gconstpointer *data)
|
|
{
|
|
static GTimer *timer = NULL;
|
|
static int fps = 0;
|
|
|
|
if (!timer)
|
|
{
|
|
timer = g_timer_new ();
|
|
g_timer_start (timer);
|
|
}
|
|
|
|
if (g_timer_elapsed (timer, NULL) >= 1)
|
|
{
|
|
printf ("fps=%d, strings/sec=%d, chars/sec=%d\n",
|
|
fps,
|
|
fps * rows * cols,
|
|
fps * rows * cols * n_chars);
|
|
g_timer_start (timer);
|
|
fps = 0;
|
|
}
|
|
|
|
++fps;
|
|
}
|
|
|
|
static gboolean
|
|
queue_redraw (gpointer stage)
|
|
{
|
|
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static ClutterActor *
|
|
create_label ()
|
|
{
|
|
ClutterColor label_color = { 0xff, 0xff, 0xff, 0xff };
|
|
ClutterActor *label;
|
|
char *font_name;
|
|
GString *str;
|
|
int i;
|
|
|
|
font_name = g_strdup_printf ("Monospace %dpx", font_size);
|
|
|
|
str = g_string_new (NULL);
|
|
for (i = 0; i < n_chars; i++)
|
|
g_string_append_c (str, 'A' + (i % 26));
|
|
|
|
label = clutter_text_new_with_text (font_name, str->str);
|
|
clutter_text_set_color (CLUTTER_TEXT (label), &label_color);
|
|
|
|
g_free (font_name);
|
|
g_string_free (str, TRUE);
|
|
|
|
return label;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
ClutterActor *stage;
|
|
ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
|
|
ClutterActor *label;
|
|
int w, h;
|
|
int row, col;
|
|
|
|
g_setenv ("CLUTTER_VBLANK", "none", FALSE);
|
|
|
|
clutter_init (&argc, &argv);
|
|
|
|
if (argc != 3)
|
|
{
|
|
g_printerr ("Usage test-text-perf FONT_SIZE N_CHARS\n");
|
|
exit (1);
|
|
}
|
|
|
|
font_size = atoi (argv[1]);
|
|
n_chars = atoi (argv[2]);
|
|
|
|
g_print ("Monospace %dpx, string length = %d\n", font_size, n_chars);
|
|
|
|
stage = clutter_stage_get_default ();
|
|
clutter_actor_set_size (stage, STAGE_WIDTH, STAGE_HEIGHT);
|
|
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
|
|
|
|
g_signal_connect (stage, "paint", G_CALLBACK (on_paint), NULL);
|
|
|
|
label = create_label ();
|
|
w = clutter_actor_get_width (label);
|
|
h = clutter_actor_get_height (label);
|
|
cols = STAGE_WIDTH / w;
|
|
rows = STAGE_HEIGHT / h;
|
|
clutter_actor_destroy (label);
|
|
|
|
if (cols == 0 || rows == 0)
|
|
{
|
|
g_printerr("Too many characters to fit in stage\n");
|
|
exit(1);
|
|
}
|
|
|
|
for (row=0; row<rows; row++)
|
|
for (col=0; col<cols; col++)
|
|
{
|
|
label = create_label();
|
|
clutter_actor_set_position (label, w * col, h * row);
|
|
clutter_container_add_actor (CLUTTER_CONTAINER (stage), label);
|
|
}
|
|
|
|
clutter_actor_show_all (stage);
|
|
|
|
g_idle_add (queue_redraw, stage);
|
|
|
|
clutter_main ();
|
|
|
|
return 0;
|
|
}
|