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Eric Anholt 0b4c0c75d0 glamor: Replace "finish access" shader with texture swizzling. 
For pictures without alpha, and for most other formats for GLES2, we
would make a temporary FBO, make another temporary texture, upload our
GLAMOR_MEMORY pixmap to the texture, then run the "finish access" shader
across it to swizzle its values around into the temporary FBO (which we
would use for a single Render operation and then throw away).

We can simplify everything by using GL_ARB_texture_swizzle (or its
GLES3 counterpart).  It's just not worth the complexity to try to
improve the performance of this already low-performance path (SHM
pixmaps + Render) on GLES2.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2016-03-10 11:12:43 -05:00
composite composite: Factor out backing store transition 2015-09-24 13:01:51 -04:00
config config/udev: distinguish between real keyboards and other key devices 2016-03-01 10:46:48 -05:00
damageext Replace 'pointer' type with 'void *' 2014-01-12 10:24:11 -08:00
dbe Convert top level extensions to new *allocarray functions 2015-04-21 16:57:08 -07:00
dix dix: Add ClientSignalAll() 2016-02-29 14:33:11 -05:00
doc doc: Convert an \fP pair into appropriate tags. 2015-09-23 10:32:53 -04:00
dri3 dri3: return an error if AddResource fails 2016-03-08 10:19:37 -05:00
exa build: Remove stale miext/cw include paths 2015-10-27 13:46:13 -04:00
fb Fix alphamap interactions with wfb 2015-09-29 12:21:34 -04:00
glamor glamor: Replace "finish access" shader with texture swizzling. 2016-03-10 11:12:43 -05:00
glx glx: don't call pGlxDraw->destroy() if AddResource fails 2016-03-08 10:19:46 -05:00
hw xwayland: add glamor Xv adaptor 2016-03-09 14:03:03 -05:00
include xwayland: Correctly detect whether posix_fallocate exists 2016-03-08 10:05:44 -05:00
m4 configure.ac: remove remaining TLS references 2015-03-24 17:20:26 +00:00
man Xserver.man: document more transports for -nolisten & -listen options 2015-10-28 14:16:28 -04:00
mi mi: Correct a miscall of abs() to instead call fabs() 2015-10-19 11:49:52 -04:00
miext rootless: Fix bogus handling of broken root clip 2015-09-21 17:44:48 -04:00
os Fix build on Cygwin by ensuring WIN32 check triggers only on MinGW 2016-02-22 14:26:38 -05:00
present present: Call present_restore_screen_pixmap from present_set_abort_flip 2016-03-01 11:59:51 +09:00
pseudoramiX Convert top level extensions to new *allocarray functions 2015-04-21 16:57:08 -07:00
randr randr: Send ConfigNotify when manual monitor list changes 2016-02-16 20:56:39 -08:00
record record: don't call RecordDeleteContext when AddResource fails 2016-03-08 10:20:04 -05:00
render render: free already allocated formats in PictureInit failure case 2016-03-08 10:20:10 -05:00
test vidmode: move to a separate library of its own 2016-02-29 16:29:01 -05:00
Xext xvmc: Fix unchecked AddResource 2016-03-08 10:19:33 -05:00
xfixes xfixes: avoid double free if AddResource fails 2016-03-08 10:20:15 -05:00
Xi Input: Add focus-in event source 2015-11-24 11:36:34 +10:00
xkb Replace 'sun' with '__sun' 2015-11-30 11:51:22 -05:00
.dir-locals.el Add .dir-locals.el 2013-08-17 12:17:36 +02:00
.gitignore .gitignore: Add new autotools file 'test-driver' 2014-04-21 13:41:42 -07:00
autogen.sh autogen: Set a default subject prefix for patches 2016-02-08 17:41:38 -05:00
configure.ac build: Enable vidmode independently from Xorg 2016-03-08 12:31:18 -05:00
COPYING modesetting: Merge modesetting's COPYING into the xserver's. 2014-09-15 12:46:02 -07:00
devbook.am doc: Create a script to filter xmlto output 2015-01-05 14:24:06 -08:00
docbook.am docbook.am: embed css styles inside the HTML HEAD element 2011-09-21 14:07:49 -07:00
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 DIST_SUBDIRS needs to include glamor, even if it isn't built 2014-02-13 15:25:56 -08:00
manpages.am Xorg: Add a suid root wrapper 2014-03-12 08:50:05 +01:00
README packaging: provide a default README file #24206 2010-01-27 14:00:17 -08:00
xorg-server.m4 macros: clarify documentation 2012-11-05 13:24:57 -06:00
xorg-server.pc.in xfree86: link modules against Xorg symbols on Cygwin 2012-04-05 21:57:07 -05:00
xserver.ent.in doc: relocate xserver.ent in the package root directory 2011-05-14 11:22:26 -07:00

README 

					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