1326ee0bc5
Otherwise X server crashes if GLX is enabled and Composite disabled. For
example the compIsAlternateVisual function will try to lookup CompScreenPtr
using the CompScreenPrivateKey, but that was never initialized if Composite is
disabled.
Fixes: f84e59a4f4. ("glx: Duplicate relevant fbconfigs for compositing visuals")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104993
Signed-off-by: Michal Srb <msrb@suse.com>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
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