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75beadd766
Detect if a drawable has been moved from an original crtc to a new crtc with a lower current vblank count than the original crtc inbetween glXSwapBuffers() calls. Reinitialize drawable's last_swap_target before scheduling next swap if such a move has taken place. last_swap_target defines the baseline for scheduling the next swap. If a movement between crtc's is not taken into account, the swap may schedule for a vblank count on the new crtc far in the future, resulting in a apparent "hang" of the drawable for a long time. Fixes Bugzilla bug #28383. Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.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.
For a comprehensive overview of X Server and X Window System, consult the
following article:
http://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
Xorg mailing list:
http://lists.freedesktop.org/mailman/listinfo/xorg
Please submit bug reports to the Xorg bugzilla:
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
The master development code repository can be found at:
git://anongit.freedesktop.org/git/xorg/xserver
http://cgit.freedesktop.org/xorg/xserver
For patch submission instructions, see:
http://www.x.org/wiki/Development/Documentation/SubmittingPatches
For more information on the git code manager, see:
http://wiki.x.org/wiki/GitPage