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Keith Packard ff70848e62 Don't let alpha maps recurse in fb. Bug 23581.
Recursive alpha maps (where one picture's alpha map is set to a
picture with an external alpha map) would be all fine and dandy,
except for the case where the client constructs a loop. Detecting this
case when setting the alpha map values would be difficult as any time
an alpha map is set, the server would have to check for the looping
case.

Instead, a far simpler fix is to simply disallow recursive alpha maps
in the rendering code, the Render spec is ambiguous in this area and
allows us to to ignore the recursive case.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
2010-08-10 09:18:22 -07:00
composite composite: fix freeing of old pixmap until after move/resize/cbw (bug 28345) 2010-06-22 11:41:20 -07:00
config config: Replace xstrdup with strdup in add_option() 2010-06-11 19:05:46 +07:00
damageext Set DamageSetReportAfterOp to true for the damage extension 2010-08-06 08:30:47 -04:00
dbe miDbe window priv priv is pre-allocated, don't use dixSetPrivate (bug 28639) 2010-07-02 12:30:24 -04:00
dix fonts: Fix refcounting for asynchronous font operations (#3040) 2010-08-09 21:31:41 -07:00
doc doc: add missing .gitignore for Xserver-DTrace 2010-08-09 21:17:53 -07:00
exa EXA: Finish access to pixmap if it's prepared at destruction time. 2010-07-13 10:07:04 -07:00
fb Don't let alpha maps recurse in fb. Bug 23581. 2010-08-10 09:18:22 -07:00
glx Unwrap/rewrap EnterVT/LeaveVT completely, Fixes 28998 2010-07-13 09:58:04 -07:00
hw ddc: Fix memory leak in GetEDID_DDC1 2010-08-01 22:48:21 -04:00
include fonts: Fix refcounting for asynchronous font operations (#3040) 2010-08-09 21:31:41 -07:00
m4 dolt: add Cygwin to supported platforms 2009-10-13 20:30:22 -07:00
mi miModifyPixmapHeader: always update serialNumber 2010-07-09 16:13:03 -07:00
miext rootless: fix uninitialized private key assert in non-rootless modes in Cygwin/X 2010-08-10 09:13:30 -07:00
os Always call the flush callback chain when we flush client buffers 2010-08-06 08:28:10 -04:00
randr rotation: fix cursor and overlap of one pixel. 2010-06-22 11:38:30 -07:00
record record: Prevent a crash on recording client disconnect. 2010-06-22 11:43:36 -07:00
render Remove unnecessary parentheses around return values in functions 2010-06-10 06:42:42 -07:00
test xfree86: Match devices based on USB ID 2010-06-11 09:30:33 +10:00
Xext xv: Don't send port notify when SetPortAttribute fails 2010-06-21 19:03:20 -07:00
xfixes Remove unnecessary parentheses around return values in functions 2010-06-10 06:42:42 -07:00
Xi dix: add aux. functions for button_is_down, set_button_down, set_button_up. 2010-07-07 13:29:46 +10:00
xkb xkb: use GetMaster instead of dev->u.master. 2010-07-21 08:12:03 +10:00
.gitignore .gitignore: use common defaults with custom section #24239 2009-11-11 21:40:20 -08:00
autogen.sh autogen.sh: Pass --force to autoreconf 2008-07-22 16:55:26 +03:00
configure.ac Add documentation of the Xserver DTrace probes 2010-07-23 12:41:59 -07:00
COPYING Update Sun license notices to current X.Org standard form 2009-12-16 17:11:35 -08:00
cpprules.in xfree86: Set a saner search path for xorg.conf.d 2010-04-08 15:21:01 +10:00
fix-miregion Change region implementation names to eliminate the 'mi' prefix 2010-06-05 17:47:32 -07:00
fix-miregion-private Change region implementation names to eliminate the 'mi' prefix 2010-06-05 17:47:32 -07:00
fix-patch-whitespace Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fix-region Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
Makefile.am Fix relink targets for silent rules 2010-03-22 00:45:52 -05:00
README packaging: provide a default README file #24206 2010-01-27 14:00:17 -08:00
xorg-server.m4 macros: use PKG_CONFIG variable rather than executable name 2010-01-07 12:57:23 -08:00
xorg-server.pc.in config: declare xserver private dependencies in xorg-server.pc 2010-06-22 11:34:47 -07:00

					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