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xserver-multidpi/fb
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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
..
fb.h Clean up after removal of screen parameters from region macros. 2010-06-05 22:07:21 -07:00
fb24_32.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fb24_32.h Death to RCS tags. 2007-06-29 14:06:52 -04:00
fballpriv.c Change the devPrivates API to require dixRegisterPrivateKey 2010-06-05 19:23:03 -07:00
fbarc.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbbits.c Death to RCS tags. 2007-06-29 14:06:52 -04:00
fbbits.h Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbblt.c Rework symbol visibility for easier maintenance 2008-12-03 05:43:34 -02:00
fbbltone.c Fix "warning: left-hand operand of comma expression has no effect" 2009-09-07 11:00:50 +10:00
fbcmap_mi.c Update Sun license notices to current X.Org standard form 2009-12-16 17:11:35 -08:00
fbcmap.c Remove unnecessary parentheses around return values in functions 2010-06-10 06:42:42 -07:00
fbcopy.c Replace X-allocation functions with their C89 counterparts 2010-05-13 00:22:37 +07:00
fbfill.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbfillrect.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbfillsp.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbgc.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbgetsp.c Rework symbol visibility for easier maintenance 2008-12-03 05:43:34 -02:00
fbglyph.c Clean up after removal of screen parameters from region macros. 2010-06-05 22:07:21 -07:00
fbimage.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbline.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fboverlay.c Clean up after removal of screen parameters from region macros. 2010-06-05 22:07:21 -07:00
fboverlay.h fb: move some code to mi 2009-02-06 18:42:39 +01:00
fbpict.c Don't let alpha maps recurse in fb. Bug 23581. 2010-08-10 09:18:22 -07:00
fbpict.h Add support for RENDER BGRA formats. 2009-08-04 23:23:21 +02:00
fbpixmap.c Remove unnecessary parentheses around return values in functions 2010-06-10 06:42:42 -07:00
fbpoint.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbpush.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbrop.h Rework symbol visibility for easier maintenance 2008-12-03 05:43:34 -02:00
fbscreen.c Remove unnecessary parentheses around return values in functions 2010-06-10 06:42:42 -07:00
fbseg.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbsetsp.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fbsolid.c Rework symbol visibility for easier maintenance 2008-12-03 05:43:34 -02:00
fbstipple.c Fix "warning: left-hand operand of comma expression has no effect" 2009-09-07 11:00:50 +10:00
fbtile.c Rework symbol visibility for easier maintenance 2008-12-03 05:43:34 -02:00
fbtrap.c unifdef -B -DRENDER to always include RENDER code 2010-04-19 09:26:10 -07:00
fbutil.c Rework symbol visibility for easier maintenance 2008-12-03 05:43:34 -02:00
fbwindow.c Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
Makefile.am Record some additional library dependencies in xf86 modules 2010-06-10 19:01:22 -07:00
wfbrename.h Change the devPrivates API to require dixRegisterPrivateKey 2010-06-05 19:23:03 -07:00