642617b7a0
Directly calling clutter_actor_paint skips out quite a bit code such as the backend swap buffer call. Since we are interested in the highest fps possible, and it now goes through to the backend swap buffer call we now do a setenv (CLUTTER_VBLANK, none, 0) before calling clutter_init.
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
#include <clutter/clutter.h>
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#include <stdlib.h>
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#include <string.h>
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#define STAGE_WIDTH 640
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#define STAGE_HEIGHT 480
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#define COLS 18
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#define ROWS 20
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static void
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on_paint (ClutterActor *actor, gconstpointer *data)
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{
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static GTimer *timer = NULL;
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static int fps = 0;
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if (!timer)
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{
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timer = g_timer_new ();
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g_timer_start (timer);
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}
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if (g_timer_elapsed (timer, NULL) >= 1)
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{
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printf ("fps: %d\n", fps);
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g_timer_start (timer);
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fps = 0;
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}
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++fps;
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}
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static gboolean
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queue_redraw (gpointer stage)
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{
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clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
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return TRUE;
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}
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int
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main (int argc, char *argv[])
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{
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ClutterActor *stage;
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ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
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ClutterColor label_color = { 0xff, 0xff, 0xff, 0xff };
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ClutterActor *group;
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setenv ("CLUTTER_VBLANK", "none", 0);
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clutter_init (&argc, &argv);
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stage = clutter_stage_get_default ();
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clutter_actor_set_size (stage, STAGE_WIDTH, STAGE_HEIGHT);
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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group = clutter_group_new ();
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clutter_actor_set_size (group, STAGE_WIDTH, STAGE_WIDTH);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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g_idle_add (queue_redraw, stage);
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g_signal_connect (group, "paint", G_CALLBACK (on_paint), NULL);
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{
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gint row, col;
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for (row=0; row<ROWS; row++)
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for (col=0; col<COLS; col++)
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{
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ClutterActor *label;
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gchar font_name[64];
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gchar text[64];
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gint font_size = row+10;
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gdouble scale = 0.17 + (1.5 * col / COLS);
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sprintf (font_name, "Sans %ipx", font_size);
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sprintf (text, "OH");
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if (row==0)
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{
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sprintf (font_name, "Sans 10px");
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sprintf (text, "%1.2f", scale);
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font_size = 10;
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scale = 1.0;
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}
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if (col==0)
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{
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sprintf (font_name, "Sans 10px");
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sprintf (text, "%ipx", font_size);
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if (row == 0)
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strcpy (text, "");
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font_size = 10;
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scale = 1.0;
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}
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label = clutter_text_new_with_text (font_name, text);
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clutter_text_set_color (CLUTTER_TEXT (label), &label_color);
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clutter_actor_set_position (label, (1.0*STAGE_WIDTH/COLS)*col,
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(1.0*STAGE_HEIGHT/ROWS)*row);
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/*clutter_actor_set_clip (label, 0,0, (1.0*STAGE_WIDTH/COLS),
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(1.0*STAGE_HEIGHT/ROWS));*/
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clutter_actor_set_scale (label, scale, scale);
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clutter_text_set_line_wrap (CLUTTER_TEXT (label), FALSE);
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clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
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}
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}
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clutter_actor_show_all (stage);
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g_signal_connect (stage, "key-press-event",
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G_CALLBACK (clutter_main_quit), NULL);
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clutter_main();
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return 0;
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}
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