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clutter/stage: Expose stage update helpers

Browse Source 
This is so something outside of clutter-stage.c (i.e.
clutter-stage-view.c) can eventually do various things
_clutter_stage_do_update() does now while not redrawing the whole stage.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
This commit is contained in:
Jonas Ådahl 2020-04-17 08:43:10 +02:00
parent fc0b8f9d9c
commit ff5f77f273
3 changed files with 27 additions and 22 deletions
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4
clutter/clutter/clutter-actor.c
View File

@ -3027,7 +3027,7 @@ clutter_actor_get_abs_allocation_vertices (ClutterActor *self,
if (!stage) if (!stage)
return; return;
_clutter_stage_maybe_relayout (stage); clutter_stage_maybe_relayout (stage);
} }
/* NB: _clutter_actor_transform_and_project_box expects a box in the actor's /* NB: _clutter_actor_transform_and_project_box expects a box in the actor's
@ -9277,7 +9277,7 @@ clutter_actor_get_allocation_box (ClutterActor *self,
/* do not queue a relayout on an unparented actor */ /* do not queue a relayout on an unparented actor */
if (stage) if (stage)
_clutter_stage_maybe_relayout (stage); clutter_stage_maybe_relayout (stage);
} }
/* commenting out the code above and just keeping this assigment /* commenting out the code above and just keeping this assigment

7
clutter/clutter/clutter-stage-private.h
View File

@ -58,7 +58,12 @@ void _clutter_stage_get_viewport (ClutterStage
void _clutter_stage_dirty_viewport (ClutterStage *stage); void _clutter_stage_dirty_viewport (ClutterStage *stage);
void _clutter_stage_maybe_setup_viewport (ClutterStage *stage, void _clutter_stage_maybe_setup_viewport (ClutterStage *stage,
ClutterStageView *view); ClutterStageView *view);
void _clutter_stage_maybe_relayout (ClutterActor *stage); void clutter_stage_maybe_relayout (ClutterActor *stage);
void clutter_stage_maybe_finish_queue_redraws (ClutterStage *stage);
GSList * clutter_stage_find_updated_devices (ClutterStage *stage);
void clutter_stage_update_devices (ClutterStage *stage,
GSList *devices);
void clutter_stage_update_actor_stage_views (ClutterStage *stage);
gboolean _clutter_stage_needs_update (ClutterStage *stage); gboolean _clutter_stage_needs_update (ClutterStage *stage);
gboolean _clutter_stage_do_update (ClutterStage *stage); gboolean _clutter_stage_do_update (ClutterStage *stage);

36
clutter/clutter/clutter-stage.c
View File

@ -140,13 +140,13 @@ struct _ClutterStagePrivate
int update_freeze_count; int update_freeze_count;
gboolean needs_update; gboolean needs_update;
gboolean needs_update_devices;
gboolean pending_finish_queue_redraws; gboolean pending_finish_queue_redraws;
guint redraw_pending : 1; guint redraw_pending : 1;
guint throttle_motion_events : 1; guint throttle_motion_events : 1;
guint min_size_changed : 1; guint min_size_changed : 1;
guint motion_events_enabled : 1; guint motion_events_enabled : 1;
guint stage_was_relayout : 1;
guint actor_needs_immediate_relayout : 1; guint actor_needs_immediate_relayout : 1;
}; };
@ -178,7 +178,6 @@ static guint stage_signals[LAST_SIGNAL] = { 0, };
static const ClutterColor default_stage_color = { 255, 255, 255, 255 }; static const ClutterColor default_stage_color = { 255, 255, 255, 255 };
static void clutter_stage_maybe_finish_queue_redraws (ClutterStage *stage);
static void free_queue_redraw_entry (ClutterStageQueueRedrawEntry *entry); static void free_queue_redraw_entry (ClutterStageQueueRedrawEntry *entry);
static void capture_view_into (ClutterStage *stage, static void capture_view_into (ClutterStage *stage,
gboolean paint, gboolean paint,
@ -939,7 +938,7 @@ clutter_stage_show (ClutterActor *self)
/* Possibly do an allocation run so that the stage will have the /* Possibly do an allocation run so that the stage will have the
right size before we map it */ right size before we map it */
_clutter_stage_maybe_relayout (self); clutter_stage_maybe_relayout (self);
g_assert (priv->impl != NULL); g_assert (priv->impl != NULL);
_clutter_stage_window_show (priv->impl, TRUE); _clutter_stage_window_show (priv->impl, TRUE);
@ -1206,7 +1205,7 @@ clutter_stage_queue_actor_relayout (ClutterStage *stage,
} }
void void
_clutter_stage_maybe_relayout (ClutterActor *actor) clutter_stage_maybe_relayout (ClutterActor *actor)
{ {
ClutterStage *stage = CLUTTER_STAGE (actor); ClutterStage *stage = CLUTTER_STAGE (actor);
ClutterStagePrivate *priv = stage->priv; ClutterStagePrivate *priv = stage->priv;
@ -1253,7 +1252,7 @@ _clutter_stage_maybe_relayout (ClutterActor *actor)
CLUTTER_NOTE (ACTOR, "<<< Completed recomputing layout of %d subtrees", count); CLUTTER_NOTE (ACTOR, "<<< Completed recomputing layout of %d subtrees", count);
if (count) if (count)
priv->stage_was_relayout = TRUE; priv->needs_update_devices = TRUE;
} }
static void static void
@ -1302,15 +1301,21 @@ clutter_stage_do_redraw (ClutterStage *stage)
stage); stage);
} }
static GSList * GSList *
clutter_stage_find_updated_devices (ClutterStage *stage) clutter_stage_find_updated_devices (ClutterStage *stage)
{ {
ClutterStagePrivate *priv = stage->priv;
ClutterBackend *backend; ClutterBackend *backend;
ClutterSeat *seat; ClutterSeat *seat;
GSList *updating = NULL; GSList *updating = NULL;
const GList *l, *devices; const GList *l, *devices;
graphene_point_t point; graphene_point_t point;
if (!priv->needs_update_devices)
return NULL;
priv->needs_update_devices = FALSE;
backend = clutter_get_default_backend (); backend = clutter_get_default_backend ();
seat = clutter_backend_get_default_seat (backend); seat = clutter_backend_get_default_seat (backend);
devices = clutter_seat_peek_devices (seat); devices = clutter_seat_peek_devices (seat);
@ -1356,8 +1361,8 @@ clutter_stage_find_updated_devices (ClutterStage *stage)
return updating; return updating;
} }
static void void
update_actor_stage_views (ClutterStage *stage) clutter_stage_update_actor_stage_views (ClutterStage *stage)
{ {
ClutterActor *actor = CLUTTER_ACTOR (stage); ClutterActor *actor = CLUTTER_ACTOR (stage);
ClutterStagePrivate *priv = stage->priv; ClutterStagePrivate *priv = stage->priv;
@ -1384,13 +1389,13 @@ update_actor_stage_views (ClutterStage *stage)
break; break;
priv->actor_needs_immediate_relayout = FALSE; priv->actor_needs_immediate_relayout = FALSE;
_clutter_stage_maybe_relayout (actor); clutter_stage_maybe_relayout (actor);
} }
g_warn_if_fail (!priv->actor_needs_immediate_relayout); g_warn_if_fail (!priv->actor_needs_immediate_relayout);
} }
static void void
clutter_stage_update_devices (ClutterStage *stage, clutter_stage_update_devices (ClutterStage *stage,
GSList *devices) GSList *devices)
{ {
@ -1437,20 +1442,15 @@ _clutter_stage_do_update (ClutterStage *stage)
* check or clear the pending redraws flag since a relayout may * check or clear the pending redraws flag since a relayout may
* queue a redraw. * queue a redraw.
*/ */
_clutter_stage_maybe_relayout (CLUTTER_ACTOR (stage)); clutter_stage_maybe_relayout (CLUTTER_ACTOR (stage));
if (!priv->redraw_pending) if (!priv->redraw_pending)
return FALSE; return FALSE;
update_actor_stage_views (stage); clutter_stage_update_actor_stage_views (stage);
clutter_stage_maybe_finish_queue_redraws (stage); clutter_stage_maybe_finish_queue_redraws (stage);
if (priv->stage_was_relayout)
{
priv->stage_was_relayout = FALSE;
devices = clutter_stage_find_updated_devices (stage); devices = clutter_stage_find_updated_devices (stage);
}
clutter_stage_do_redraw (stage); clutter_stage_do_redraw (stage);
@ -3361,7 +3361,7 @@ _clutter_stage_queue_redraw_entry_invalidate (ClutterStageQueueRedrawEntry *entr
} }
} }
static void void
clutter_stage_maybe_finish_queue_redraws (ClutterStage *stage) clutter_stage_maybe_finish_queue_redraws (ClutterStage *stage)
{ {
ClutterStagePrivate *priv = stage->priv; ClutterStagePrivate *priv = stage->priv;