Alan Coopersmith Alan.Coopersmith at Sun.COM
Mon Oct 26 16:17:23 PDT 2009

Hash: SHA1

The X.Org Foundation and the global community of X.Org developers
announce the release of X11R7.5 - Release 7.5 of the X Window System,
Version 11.  This release is the sixth modular release of the X Window
System. The next full release will be X11R7.6 and is expected in 2010.

X11R7.5 supports Linux, BSD, Solaris, MacOS X, Microsoft Windows and
GNU Hurd systems. It incorporates new features, and  stability and
correctness fixes, including improved autoconfiguration heuristics,
enhanced support for input devices, and new options for reconfiguring
the screen geometry while the system is running.

The full source code is free to use, modify and redistribute, under open
source licenses, and is available from http://www.x.org/releases/X11R7.5/
and mirrors worldwide.

For more information on the X Window System, including how to get involved
with development, please see http://www.x.org.


Summary of new features in X11R7.5

   This is a sampling of the new features in X11R7.5. A more complete list
   of changes can be found in the ChangeLog files that are part of the source
   of each X module and on the http://www.x.org/releases/X11R7.5/ website.

   More information on the contents of X11R7.5 and changes from previous
   releases can also be found in the release notes posted at:

     * Multi-Pointer X (MPX) provides the user with multiple independent
       mouse cursors and multiple independent keyboard foci. Each cursor is a
       true system cursor and different pointers can operate in multiple
       applications simultaneously.

     * Input device properties allow you to attach properties to a device.
       These properties can be of arbitrary type and can be changed without
       the server having to know their details.

     * The X Input Extension version 2.0 (XI2) is designed to replace both
       core input processing and prior versions of the X Input Extension.
       Besides MPX, it provides a number of other enhancements over version
       1.5, including:

          * explicit device hierarchy of master and slave devices.
          * the ability for devices to change capabilities at runtime.
          * raw device events

     * Resize, Rotate and Reflect Extension (RANDR) version 1.3 builds on
       the changes made with version 1.2 and adds some new capabilities
       without fundmentally changing the extension again. The following
       features are added in this version:

          * Projective Transforms
                    The implementation work for general rotation support
                    made it trivial to add full projective transformations.
                    These can be used to scale the screen up/down as well as
                    perform projector keystone correct or other effects.

          * Panning
                    Panning was removed with RandR 1.2 because the old
                    semantics didn't fit any longer. With RandR 1.3 panning
                    can be specified per crtc.

     * The DRI2 extension is designed to associate and access auxillary
       rendering buffers with an X drawable. It is a essentially a helper
       extension to support implementation of direct rendering
       drivers/libraries/technologies. The first consumer of this extension
       is a direct rendering OpenGL driver, but the DRI2 extension is not
       designed to be OpenGL specific. Work is underway to utilize DRI2 for
       the Video Decode and Presentation API for Unix (VPDAU) as well. Direct
       rendering implementations of OpenVG, Xv, cairo and other graphics APIs
       should find the functionality exposed by this extension helpful and
       hopefully sufficient.


- --
	-Alan Coopersmith-           alan.coopersmith at sun.com
	 Sun Microsystems, Inc. - X Window System Engineering

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