diff options
| author | Keith Packard <keithp@keithp.com> | 2003-11-14 08:29:37 +0000 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2003-11-14 08:29:37 +0000 |
| commit | f0000349e7ccc2f5393150e6c615043aa6846f9a (patch) | |
| tree | 5de318084df3cb44ccaae6d9ef7c25a4b9230af2 | |
| parent | Reduce scheduling latency to 10ms (diff) | |
| download | xcman-f0000349e7ccc2f5393150e6c615043aa6846f9a.tar.gz xcman-f0000349e7ccc2f5393150e6c615043aa6846f9a.tar.bz2 xcman-f0000349e7ccc2f5393150e6c615043aa6846f9a.tar.xz | |
Eliminate all delays in updates; let the X server scheduling handle things.
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | xcompmgr.c | 14 |
2 files changed, 19 insertions, 1 deletions
@@ -1,3 +1,9 @@ +2003-11-14 Keith Packard <keithp@keithp.com> + + * xcompmgr.c: (main): + Eliminate all delays in updates; let the X server scheduling + handle things. + 2003-11-13 Keith Packard <keithp@keithp.com> * xcompmgr.c: @@ -768,7 +768,7 @@ time_in_millis () return(tp.tv_sec * 1000) + (tp.tv_usec / 1000); } -#define INTERVAL 10 +#define INTERVAL 0 main () { @@ -792,7 +792,9 @@ main () int n; int last_update; int now; +#if INTERVAL int timeout; +#endif dpy = XOpenDisplay (0); if (!dpy) @@ -863,15 +865,21 @@ main () XFree (children); XUngrabServer (dpy); paint_all (dpy, None); +#if INTERVAL last_update = time_in_millis (); +#endif for (;;) { +#if INTERVAL int busy_start = 0; +#endif /* dump_wins (); */ do { XNextEvent (dpy, &ev); +#if INTERVAL if (!busy_start) busy_start = time_in_millis(); +#endif /* printf ("event %d\n", ev.type); */ switch (ev.type) { case CreateNotify: @@ -943,6 +951,7 @@ main () break; } } while (XEventsQueued (dpy, QueuedAfterReading)); +#if INTERVAL now = time_in_millis (); /* printf ("\t\tbusy %d\n", now - busy_start); */ timeout = INTERVAL - (now - last_update); @@ -954,11 +963,14 @@ main () if (n > 0 && (ufd.revents & POLLIN) && XEventsQueued (dpy, QueuedAfterReading)) continue; } +#endif if (allDamage) { +#if INTERVAL int old_update = last_update; last_update = time_in_millis(); /* printf ("delta %d\n", last_update - old_update); */ +#endif paint_all (dpy, allDamage); allDamage = None; } |