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compositor: Disconnect from stage signals on destruction

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From this point there's not any need for the compositor to listen to signals
so we can disconnect from the stage ones we are connected to.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/556


(cherry picked from commit 3ba79961fe)
This commit is contained in:
Marco Trevisan (Treviño) 2019-04-29 20:02:18 +00:00 committed by Marco Trevisan
parent 2e64457f4c
commit b838fe8f05
2 changed files with 19 additions and 5 deletions
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3
src/compositor/compositor-private.h
View File

@ -18,6 +18,9 @@ struct _MetaCompositor
guint pre_paint_func_id;
guint post_paint_func_id;
guint stage_presented_id;
guint stage_after_paint_id;
gint64 server_time_query_time;
gint64 server_time_offset;

21
src/compositor/compositor.c
View File

@ -133,6 +133,15 @@ meta_switch_workspace_completed (MetaCompositor *compositor)
void
meta_compositor_destroy (MetaCompositor *compositor)
{
g_signal_handler_disconnect (compositor->stage,
compositor->stage_after_paint_id);
g_signal_handler_disconnect (compositor->stage,
compositor->stage_presented_id);
compositor->stage_after_paint_id = 0;
compositor->stage_presented_id = 0;
compositor->stage = NULL;
clutter_threads_remove_repaint_func (compositor->pre_paint_func_id);
clutter_threads_remove_repaint_func (compositor->post_paint_func_id);
@ -516,9 +525,10 @@ meta_compositor_manage (MetaCompositor *compositor)
compositor->stage = meta_backend_get_stage (backend);
g_signal_connect (compositor->stage, "presented",
G_CALLBACK (on_presented),
compositor);
compositor->stage_presented_id =
g_signal_connect (compositor->stage, "presented",
G_CALLBACK (on_presented),
compositor);
/* We use connect_after() here to accomodate code in GNOME Shell that,
* when benchmarking drawing performance, connects to ::after-paint
@ -528,8 +538,9 @@ meta_compositor_manage (MetaCompositor *compositor)
* connections to ::after-paint, connect() vs. connect_after() doesn't
* matter.
*/
g_signal_connect_after (CLUTTER_STAGE (compositor->stage), "after-paint",
G_CALLBACK (after_stage_paint), compositor);
compositor->stage_after_paint_id =
g_signal_connect_after (compositor->stage, "after-paint",
G_CALLBACK (after_stage_paint), compositor);
clutter_stage_set_sync_delay (CLUTTER_STAGE (compositor->stage), META_SYNC_DELAY);