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ecore: Reduce rendering latency in g_main_loop 

After a lot of hair pulling, and other debugging, it appears
that to make animation smooth on an embedded device, the
following things should happen in (quick) sequence:

1. update the loop time
2. call timers (which animates and updates the scene graph)
3. call idle enterers (which renders to the display)
4. call fd buf handlers (which flushes xlib stuff)

Signed-off-by: Mike McCormack <mj.mccormack@samsung.com>

SVN revision: 61784
This commit is contained in:
Mike McCormack 2011-07-27 03:13:47 +00:00 committed by Mike McCormack
parent 1fe297b463
commit 6f8f583abf
1 changed files with 7 additions and 1 deletions
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8
legacy/ecore/src/lib/ecore/ecore_main.c
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@ -492,12 +492,16 @@ _ecore_main_gsource_prepare(GSource *source __UNUSED__, gint *next_time)
if (!ecore_idling && !_ecore_glib_idle_enterer_called)
{
_ecore_time_loop_time = ecore_time_get();
while (_ecore_timer_call(_ecore_time_loop_time));
_ecore_timer_cleanup();
_ecore_idle_enterer_call();
_ecore_throttle();
_ecore_glib_idle_enterer_called = FALSE;
if (fd_handlers_with_buffer)
_ecore_main_fd_handlers_buf_call();
}
while (_ecore_signal_count_get()) _ecore_signal_call();
@ -607,7 +611,6 @@ _ecore_main_gsource_check(GSource *source __UNUSED__)
ret = TRUE;
/* check timers after updating loop time */
_ecore_time_loop_time = ecore_time_get();
if (!ret && _ecore_timers_exists())
ret = (0.0 == _ecore_timer_next_get());
@ -675,6 +678,9 @@ _ecore_main_gsource_dispatch(GSource *source __UNUSED__, GSourceFunc callback __
_ecore_idle_enterer_call();
_ecore_throttle();
_ecore_glib_idle_enterer_called = TRUE;
if (fd_handlers_with_buffer)
_ecore_main_fd_handlers_buf_call();
}
in_main_loop--;