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wayland: Only call frame callbacks when a surface gets drawn on screen

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The spec says:
"A server should avoid signalling the frame callbacks if the surface is not
visible in any way, e.g. the surface is off-screen, or completely obscured
by other opaque surfaces."

We actually do have the information to do that but we are always calling
the frame callbacks in after_stage_paint. So fix that to only call when
when the surface gets drawn on screen.

https://bugzilla.gnome.org/show_bug.cgi?id=739163
This commit is contained in:
Adel Gadllah
2015-07-23 17:22:22 +02:00
parent 9df6cda3e3
commit 070cd27786
3 changed files with 27 additions and 2 deletions
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6
src/wayland/meta-wayland-surface.c
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@ -541,7 +541,11 @@ apply_pending_state (MetaWaylandSurface *surface,
}
/* wl_surface.frame */
wl_list_insert_list (&compositor->frame_callbacks, &pending->frame_callback_list);
if (surface->surface_actor)
meta_surface_actor_wayland_add_frame_callbacks (META_SURFACE_ACTOR_WAYLAND (surface->surface_actor),
&pending->frame_callback_list);
else
wl_list_insert_list (&compositor->frame_callbacks, &pending->frame_callback_list);
wl_list_init (&pending->frame_callback_list);
switch (surface->role)