isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2025-06-13 16:59:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

frame-clock: Add API to inhibit/uninhibit updates

Browse Source 
Equivalent to pause/resume, but ref counted.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
This commit is contained in:
Jonas Ådahl
2020-03-25 10:33:45 +01:00
parent cae5b99537
commit a132c8dc8e
3 changed files with 157 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
clutter/clutter/clutter-frame-clock.c
View File

@ -78,11 +78,32 @@ struct _ClutterFrameClock
gboolean pending_reschedule;
gboolean pending_reschedule_now;
int inhibit_count;
};
G_DEFINE_TYPE (ClutterFrameClock, clutter_frame_clock,
G_TYPE_OBJECT)
static void
maybe_reschedule_update (ClutterFrameClock *frame_clock)
{
if (frame_clock->pending_reschedule)
{
frame_clock->pending_reschedule = FALSE;
if (frame_clock->pending_reschedule_now)
{
frame_clock->pending_reschedule_now = FALSE;
clutter_frame_clock_schedule_update_now (frame_clock);
}
else
{
clutter_frame_clock_schedule_update (frame_clock);
}
}
}
void
clutter_frame_clock_notify_presented (ClutterFrameClock *frame_clock,
int64_t presentation_time_us)
@ -111,21 +132,7 @@ clutter_frame_clock_notify_presented (ClutterFrameClock *frame_clock,
case CLUTTER_FRAME_CLOCK_STATE_DISPATCHING:
case CLUTTER_FRAME_CLOCK_STATE_PENDING_PRESENTED:
frame_clock->state = CLUTTER_FRAME_CLOCK_STATE_IDLE;
if (frame_clock->pending_reschedule)
{
frame_clock->pending_reschedule = FALSE;
if (frame_clock->pending_reschedule_now)
{
frame_clock->pending_reschedule_now = FALSE;
clutter_frame_clock_schedule_update_now (frame_clock);
}
else
{
clutter_frame_clock_schedule_update (frame_clock);
}
}
maybe_reschedule_update (frame_clock);
break;
}
}
@ -194,11 +201,54 @@ calculate_next_update_time_us (ClutterFrameClock *frame_clock,
*out_next_presentation_time_us = next_presentation_time_us;
}
void
clutter_frame_clock_inhibit (ClutterFrameClock *frame_clock)
{
frame_clock->inhibit_count++;
if (frame_clock->inhibit_count == 1)
{
switch (frame_clock->state)
{
case CLUTTER_FRAME_CLOCK_STATE_INIT:
case CLUTTER_FRAME_CLOCK_STATE_IDLE:
break;
case CLUTTER_FRAME_CLOCK_STATE_SCHEDULED:
frame_clock->pending_reschedule = TRUE;
frame_clock->state = CLUTTER_FRAME_CLOCK_STATE_IDLE;
break;
case CLUTTER_FRAME_CLOCK_STATE_DISPATCHING:
case CLUTTER_FRAME_CLOCK_STATE_PENDING_PRESENTED:
break;
}
g_source_set_ready_time (frame_clock->source, -1);
}
}
void
clutter_frame_clock_uninhibit (ClutterFrameClock *frame_clock)
{
g_return_if_fail (frame_clock->inhibit_count > 0);
frame_clock->inhibit_count--;
if (frame_clock->inhibit_count == 0)
maybe_reschedule_update (frame_clock);
}
void
clutter_frame_clock_schedule_update_now (ClutterFrameClock *frame_clock)
{
int64_t next_update_time_us = -1;
if (frame_clock->inhibit_count > 0)
{
frame_clock->pending_reschedule = TRUE;
frame_clock->pending_reschedule_now = TRUE;
return;
}
switch (frame_clock->state)
{
case CLUTTER_FRAME_CLOCK_STATE_INIT:
@ -226,6 +276,12 @@ clutter_frame_clock_schedule_update (ClutterFrameClock *frame_clock)
{
int64_t next_update_time_us = -1;
if (frame_clock->inhibit_count > 0)
{
frame_clock->pending_reschedule = TRUE;
return;
}
switch (frame_clock->state)
{
case CLUTTER_FRAME_CLOCK_STATE_INIT:

6
clutter/clutter/clutter-frame-clock.h
View File

@ -61,4 +61,10 @@ void clutter_frame_clock_schedule_update (ClutterFrameClock *frame_clock);
CLUTTER_EXPORT
void clutter_frame_clock_schedule_update_now (ClutterFrameClock *frame_clock);
CLUTTER_EXPORT
void clutter_frame_clock_inhibit (ClutterFrameClock *frame_clock);
CLUTTER_EXPORT
void clutter_frame_clock_uninhibit (ClutterFrameClock *frame_clock);
#endif /* CLUTTER_FRAME_CLOCK_H */