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wayland/surface: Add API to cache frame callbacks

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Sometimes it may be useful for roles to put callbacks in the generic
surface frame callback queue. The surface frame callback queue will
either eventually be processed on the next surface role assignment that
places the frame callbacks in a role specific queue, processed at some
other point in time by a role, or cleaned up on surface destruction.

https://gitlab.gnome.org/GNOME/mutter/issues/240
(cherry picked from commit 0ace58d05f)
This commit is contained in:
Jonas Ådahl 2018-08-27 12:05:58 +02:00 committed by Olivier Fourdan
parent 998e3279c2
commit 4dfe4256ae
2 changed files with 13 additions and 7 deletions
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17
src/wayland/meta-wayland-surface.c
View File

@ -602,6 +602,15 @@ parent_surface_state_applied (gpointer data,
meta_wayland_subsurface_parent_state_applied (subsurface);
}
void
meta_wayland_surface_cache_pending_frame_callbacks (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
{
wl_list_insert_list (&surface->pending_frame_callback_list,
&pending->frame_callback_list);
wl_list_init (&pending->frame_callback_list);
}
void
meta_wayland_surface_apply_pending_state (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
@ -722,13 +731,7 @@ meta_wayland_surface_apply_pending_state (MetaWaylandSurface *surface,
}
else
{
/* Since there is no role assigned to the surface yet, keep frame
* callbacks queued until a role is assigned and we know how
* the surface will be drawn.
*/
wl_list_insert_list (&surface->pending_frame_callback_list,
&pending->frame_callback_list);
wl_list_init (&pending->frame_callback_list);
meta_wayland_surface_cache_pending_frame_callbacks (surface, pending);
if (pending->newly_attached)
{

3
src/wayland/meta-wayland-surface.h
View File

@ -261,6 +261,9 @@ MetaWaylandSurface *meta_wayland_surface_get_toplevel (MetaWaylandSurface *surfa
MetaWindow * meta_wayland_surface_get_toplevel_window (MetaWaylandSurface *surface);
void meta_wayland_surface_cache_pending_frame_callbacks (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending);
void meta_wayland_surface_queue_pending_frame_callbacks (MetaWaylandSurface *surface);
void meta_wayland_surface_queue_pending_state_frame_callbacks (MetaWaylandSurface *surface,