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97cf53cc2a
When the depth of the Xephyr server matches that of the host X server, Xephyr simply uses the buffer associated with the XImage as its framebuffer. In this case, it is correct to get the bits_per_pixel and bytes_per_line values returned from hostx_screen_init() from the XImage. However, when the depth doesn't match the host, Xephyr uses a private framebuffer that is periodically copied to the XImage. In this case, the returned values of bits_per_pixel and bytes_per_line should be those of the private framebuffer, not those of the XImage. Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Soren Sandmann <ssp@redhat.com> Reviewed-by: Adam Jackson <ajax@redhat.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