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clutter: Also log overlap regions in ClutterPickContext/Stack

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These may be used for optimizations once we find the pick actor,
so picking can be avoided in areas we know didn't cross into
other actors. Nothing makes use of it yet though, just log these
so far.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1915>
This commit is contained in:
Carlos Garnacho 2021-06-30 16:02:43 +02:00 committed by Marge Bot
parent eda7588190
commit 5428b96f1b
5 changed files with 42 additions and 2 deletions
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5
clutter/clutter/clutter-actor.c
View File

@ -3960,7 +3960,10 @@ clutter_actor_pick (ClutterActor *actor,
clutter_paint_volume_to_box (&priv->last_paint_volume, &box);
if (!clutter_pick_context_intersects_box (pick_context, &box))
goto out;
{
clutter_pick_context_log_overlap (pick_context, actor);
goto out;
}
}
if (priv->enable_model_view_transform)

14
clutter/clutter/clutter-pick-context.c
View File

@ -118,6 +118,20 @@ clutter_pick_context_log_pick (ClutterPickContext *pick_context,
clutter_pick_stack_log_pick (pick_context->pick_stack, box, actor);
}
/**
* clutter_pick_context_log_overlap:
* @pick_context: a #ClutterPickContext
* @actor: a #ClutterActor
*
* Logs an overlapping actor into the pick stack.
*/
void
clutter_pick_context_log_overlap (ClutterPickContext *pick_context,
ClutterActor *actor)
{
clutter_pick_stack_log_overlap (pick_context->pick_stack, actor);
}
/**
* clutter_pick_context_push_clip:
* @pick_context: a #ClutterPickContext

3
clutter/clutter/clutter-pick-context.h
View File

@ -50,6 +50,9 @@ CLUTTER_EXPORT
void clutter_pick_context_log_pick (ClutterPickContext *pick_context,
const ClutterActorBox *box,
ClutterActor *actor);
CLUTTER_EXPORT
void clutter_pick_context_log_overlap (ClutterPickContext *pick_context,
ClutterActor *actor);
CLUTTER_EXPORT
void clutter_pick_context_push_clip (ClutterPickContext *pick_context,

2
clutter/clutter/clutter-pick-stack-private.h
View File

@ -42,6 +42,8 @@ void clutter_pick_stack_seal (ClutterPickStack *pick_stack);
void clutter_pick_stack_log_pick (ClutterPickStack *pick_stack,
const ClutterActorBox *box,
ClutterActor *actor);
void clutter_pick_stack_log_overlap (ClutterPickStack *pick_stack,
ClutterActor *actor);
void clutter_pick_stack_push_clip (ClutterPickStack *pick_stack,
const ClutterActorBox *box);

20
clutter/clutter/clutter-pick-stack.c
View File

@ -32,6 +32,7 @@ typedef struct
Record base;
ClutterActor *actor;
int clip_index;
gboolean is_overlap;
} PickRecord;
typedef struct
@ -342,6 +343,7 @@ clutter_pick_stack_log_pick (ClutterPickStack *pick_stack,
g_assert (!pick_stack->sealed);
rec.is_overlap = FALSE;
rec.actor = actor;
rec.clip_index = pick_stack->current_clip_stack_top;
rec.base.rect = *box;
@ -352,6 +354,21 @@ clutter_pick_stack_log_pick (ClutterPickStack *pick_stack,
g_array_append_val (pick_stack->vertices_stack, rec);
}
void
clutter_pick_stack_log_overlap (ClutterPickStack *pick_stack,
ClutterActor *actor)
{
PickRecord rec = { 0 };
g_assert (!pick_stack->sealed);
rec.is_overlap = TRUE;
rec.actor = actor;
rec.clip_index = pick_stack->current_clip_stack_top;
g_array_append_val (pick_stack->vertices_stack, rec);
}
void
clutter_pick_stack_push_clip (ClutterPickStack *pick_stack,
const ClutterActorBox *box)
@ -428,7 +445,8 @@ clutter_pick_stack_search_actor (ClutterPickStack *pick_stack,
PickRecord *rec =
&g_array_index (pick_stack->vertices_stack, PickRecord, i);
if (rec->actor && ray_intersects_record (pick_stack, rec, point, ray))
if (!rec->is_overlap && rec->actor &&
ray_intersects_record (pick_stack, rec, point, ray))
return rec->actor;
}