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stage: Pass paint context in phase callbacks

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If there is a paint context available (i.e. for the phases that are
during the actual stage paint), pass it along the callbacks, so that
the callback implementations can change their operation depending on the
paint context state.

This also means we can get the current view from the paint context,
instead of the temporarily used field in the instance struct.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1207
This commit is contained in:
Jonas Ådahl 2020-04-20 22:24:55 +02:00
parent a4f55d4986
commit 424016d66c
3 changed files with 19 additions and 13 deletions
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1
src/backends/meta-screen-cast-monitor-stream-src.c
View File

@ -117,6 +117,7 @@ meta_screen_cast_monitor_stream_src_get_specs (MetaScreenCastStreamSrc *src,
static void
stage_painted (MetaStage *stage,
ClutterStageView *view,
ClutterPaintContext *paint_context,
gpointer user_data)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (user_data);

1
src/backends/meta-stage-private.h
View File

@ -40,6 +40,7 @@ typedef enum
typedef void (* MetaStageWatchFunc) (MetaStage *stage,
ClutterStageView *view,
ClutterPaintContext *paint_context,
gpointer user_data);
ClutterActor *meta_stage_new (MetaBackend *backend);

18
src/backends/meta-stage.c
View File

@ -65,7 +65,6 @@ struct _MetaStage
ClutterStage parent;
GPtrArray *watchers[N_WATCH_MODES];
ClutterStageView *current_view;
GList *overlays;
gboolean is_active;
@ -169,6 +168,7 @@ meta_stage_finalize (GObject *object)
static void
notify_watchers_for_mode (MetaStage *stage,
ClutterStageView *view,
ClutterPaintContext *paint_context,
MetaStageWatchPhase watch_phase)
{
GPtrArray *watchers;
@ -183,7 +183,7 @@ notify_watchers_for_mode (MetaStage *stage,
if (watch->view && view != watch->view)
continue;
watch->callback (stage, view, watch->user_data);
watch->callback (stage, view, paint_context, watch->user_data);
}
}
@ -192,11 +192,14 @@ meta_stage_paint (ClutterActor *actor,
ClutterPaintContext *paint_context)
{
MetaStage *stage = META_STAGE (actor);
ClutterStageView *view;
GList *l;
CLUTTER_ACTOR_CLASS (meta_stage_parent_class)->paint (actor, paint_context);
notify_watchers_for_mode (stage, stage->current_view,
view = clutter_paint_context_get_stage_view (paint_context);
notify_watchers_for_mode (stage, view, paint_context,
META_STAGE_WATCH_AFTER_ACTOR_PAINT);
g_signal_emit (stage, signals[ACTORS_PAINTED], 0);
@ -204,7 +207,7 @@ meta_stage_paint (ClutterActor *actor,
for (l = stage->overlays; l; l = l->next)
meta_overlay_paint (l->data, paint_context);
notify_watchers_for_mode (stage, stage->current_view,
notify_watchers_for_mode (stage, view, paint_context,
META_STAGE_WATCH_AFTER_OVERLAY_PAINT);
}
@ -215,13 +218,14 @@ meta_stage_paint_view (ClutterStage *stage,
{
MetaStage *meta_stage = META_STAGE (stage);
notify_watchers_for_mode (meta_stage, view, META_STAGE_WATCH_BEFORE_PAINT);
notify_watchers_for_mode (meta_stage, view, NULL,
META_STAGE_WATCH_BEFORE_PAINT);
meta_stage->current_view = view;
CLUTTER_STAGE_CLASS (meta_stage_parent_class)->paint_view (stage, view,
redraw_clip);
notify_watchers_for_mode (meta_stage, view, META_STAGE_WATCH_AFTER_PAINT);
notify_watchers_for_mode (meta_stage, view, NULL,
META_STAGE_WATCH_AFTER_PAINT);
}
static void