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ecore evas - add animator update syncing to only render on animator ticks 

this adds a ifdefable feature to sync rendering only to animator
slots. this should reduce over-render of more frames than a user can
see when updates are triggered by things like mouse movements (which
may come in many times faster than the framerate). this is an
experiment to see if this helps smoothness and load. it also has
problems in e grabs x while rendering - this is now fixed in e18
alreadey, but it is just a config you can turn off.
This commit is contained in:
Carsten Haitzler 2013-12-08 15:07:40 +09:00
parent cc1ff31276
commit 0e902ffffe
1 changed files with 45 additions and 1 deletions
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46
src/lib/ecore_evas/ecore_evas.c
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@ -43,6 +43,28 @@ static Ecore_Idle_Enterer *ecore_evas_idle_enterer = NULL;
static Ecore_Evas *ecore_evases = NULL;
static int _ecore_evas_fps_debug = 0;
#define RENDER_SYNC 1
#ifdef RENDER_SYNC
static Ecore_Animator *ecore_evas_animator = NULL;
static Eina_Bool ecore_evas_animator_ticked = EINA_FALSE;
static Eina_Bool ecore_evas_first = EINA_TRUE;
static int overtick = 0;
static Eina_Bool
_ecore_evas_animator(void *data EINA_UNUSED)
{
ecore_evas_animator_ticked = EINA_TRUE;
overtick--;
if (overtick == 0)
{
ecore_evas_animator = NULL;
return EINA_FALSE;
}
return EINA_TRUE;
}
#endif
static Eina_Bool
_ecore_evas_idle_enter(void *data EINA_UNUSED)
{
@ -55,6 +77,25 @@ _ecore_evas_idle_enter(void *data EINA_UNUSED)
#endif
if (!ecore_evases) return ECORE_CALLBACK_RENEW;
#ifdef RENDER_SYNC
if (!ecore_evas_first)
{
if ((!ecore_evas_animator_ticked) &&
(!ecore_main_loop_animator_ticked_get()))
{
if (!ecore_evas_animator)
{
overtick = 1;
ecore_evas_animator = ecore_animator_add(_ecore_evas_animator, NULL);
}
return ECORE_CALLBACK_RENEW;
}
ecore_evas_animator_ticked = EINA_FALSE;
}
ecore_evas_first = EINA_FALSE;
#endif
if (_ecore_evas_fps_debug)
{
t1 = ecore_time_get();
@ -351,7 +392,10 @@ ecore_evas_shutdown(void)
if (_ecore_evas_fps_debug) _ecore_evas_fps_debug_shutdown();
ecore_idle_enterer_del(ecore_evas_idle_enterer);
ecore_evas_idle_enterer = NULL;
#ifdef RENDER_SYNC
if (ecore_evas_animator) ecore_animator_del(ecore_evas_animator);
ecore_evas_animator = NULL;
#endif
#ifdef BUILD_ECORE_EVAS_EWS
while (_ecore_evas_ews_shutdown());
#endif