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gdk: master-clock: force scheduling new frames for timelines alive

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As long as we have timelines alive, we need to keep asking the
GdkFrameClock for new frames. Otherwise animations might stall.

https://bugzilla.gnome.org/show_bug.cgi?id=744684
This commit is contained in:
Lionel Landwerlin 2015-02-17 23:59:59 +00:00 committed by Lionel Landwerlin
parent 018cd7bb5c
commit a4d0b157b6
1 changed files with 24 additions and 16 deletions
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38
clutter/gdk/clutter-master-clock-gdk.c
View File

@ -99,20 +99,21 @@ G_DEFINE_TYPE_WITH_CODE (ClutterMasterClockGdk,
clutter_master_clock_iface_init));
static void
master_clock_schedule_stages_updates (ClutterMasterClockGdk *master_clock)
master_clock_schedule_forced_stages_updates (ClutterMasterClockGdk *master_clock)
{
ClutterStageManager *stage_manager = clutter_stage_manager_get_default ();
const GSList *stages, *l;
GHashTableIter iter;
gpointer stage, frame_clock;
stages = clutter_stage_manager_peek_stages (stage_manager);
for (l = stages; l != NULL; l = l->next)
_clutter_stage_schedule_update (l->data);
g_hash_table_iter_init (&iter, master_clock->stage_to_clock);
while (g_hash_table_iter_next (&iter, &stage, &frame_clock))
gdk_frame_clock_request_phase (GDK_FRAME_CLOCK (frame_clock),
GDK_FRAME_CLOCK_PHASE_UPDATE);
}
static void
master_clock_reschedule_stage_update (ClutterMasterClockGdk *master_clock,
ClutterStage *stage)
master_clock_schedule_stage_update (ClutterMasterClockGdk *master_clock,
ClutterStage *stage,
GdkFrameClock *frame_clock)
{
/* Clear the old update time */
_clutter_stage_clear_update_time (stage);
@ -121,6 +122,13 @@ master_clock_reschedule_stage_update (ClutterMasterClockGdk *master_clock,
if (_clutter_stage_has_queued_events (stage) ||
_clutter_stage_needs_update (stage))
_clutter_stage_schedule_update (stage);
/* We can avoid to schedule a new frame if the stage doesn't need
* anymore redrawing. But in the case we still have timelines alive,
* we have no choice, we need to advance the timelines for the next
* frame. */
if (master_clock->timelines != NULL)
gdk_frame_clock_request_phase (frame_clock, GDK_FRAME_CLOCK_PHASE_UPDATE);
}
static void
@ -287,7 +295,7 @@ clutter_master_clock_gdk_update (GdkFrameClock *frame_clock,
if (g_hash_table_lookup (master_clock->clock_to_stage, frame_clock) != NULL)
{
master_clock_update_stage (master_clock, stage);
master_clock_reschedule_stage_update (master_clock, stage);
master_clock_schedule_stage_update (master_clock, stage, frame_clock);
}
master_clock->prev_tick = master_clock->cur_tick;
@ -326,6 +334,9 @@ clutter_master_clock_gdk_add_stage_clock (ClutterMasterClockGdk *master_clock,
g_signal_connect (frame_clock, "update",
G_CALLBACK (clutter_master_clock_gdk_update),
master_clock);
if (master_clock->timelines != NULL)
_clutter_master_clock_start_running ((ClutterMasterClock *) clock);
}
static void
@ -474,10 +485,7 @@ clutter_master_clock_gdk_add_timeline (ClutterMasterClock *clock,
timeline);
if (is_first)
{
master_clock_schedule_stages_updates (master_clock);
_clutter_master_clock_start_running (clock);
}
}
static void
@ -493,13 +501,13 @@ clutter_master_clock_gdk_remove_timeline (ClutterMasterClock *clock,
static void
clutter_master_clock_gdk_start_running (ClutterMasterClock *clock)
{
master_clock_schedule_stages_updates ((ClutterMasterClockGdk *) clock);
master_clock_schedule_forced_stages_updates ((ClutterMasterClockGdk *) clock);
}
static void
clutter_master_clock_gdk_ensure_next_iteration (ClutterMasterClock *clock)
{
master_clock_schedule_stages_updates ((ClutterMasterClockGdk *) clock);
master_clock_schedule_forced_stages_updates ((ClutterMasterClockGdk *) clock);
}
static void