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wayland: return from toplevel commit early if no new buffer

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meta_wayland_surface_toplevel_commit has a lot of logic to handle
a new buffer getting attached as part of the commit.  None of
that code needs to run if there is no new buffer attached.

This commit short-circuits that case.

https://bugzilla.gnome.org/show_bug.cgi?id=761613
This commit is contained in:
Ray Strode 2016-02-16 15:42:59 -05:00
parent 9611661154
commit acd50508dc
1 changed files with 6 additions and 0 deletions
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6
src/wayland/meta-wayland-surface.c
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@ -345,6 +345,12 @@ toplevel_surface_commit (MetaWaylandSurfaceRole *surface_role,
queue_surface_actor_frame_callbacks (surface, pending);
/* If there's no new buffer pending, then there's nothing else to
* do
*/
if (!pending->newly_attached)
return;
if (META_IS_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE (surface->role))
{
/* For wl_shell, it's equivalent to an unmap. Semantics