aab01c7391
The function xwl_window_swap_pixmap() can be called from two places, either from xwl_window_attach_buffer() or from damage_report(). When called from xwl_window_attach_buffer(), the new buffer is attached and the surface committed. However, when called from damage_report(), a new buffer might not be attached before the surface is committed. That's fine with implicit synchronization, but if we use explicit synchronization, committing a surface without a new buffer attached but with a release timeline point set is a protocol error: | If at surface commit time there is a pending release timeline point | set but no pending buffer attached, a no_buffer error is raised. To avoid such an issue, add a new parameter to xwl_window_swap_pixmap() to hint whether it should set the synchronization points, and have the synchronization points set only from xwl_window_attach_buffer(). v2: Rename param to handle_sync (Michel) Suggested-by: Michel Dänzer <mdaenzer@redhat.com> Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1571> |
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