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Daniel Vetter bb04e184fd Xv: rework overlay buffer management 
The basic idea is to only pin the buffer into the gtt when
the overlay hw is actually using it. This results in a few changes:

- Unify data copied/buffer handling with textured video. Now offsets
  are always buffer relative and we just use drm_bo_map to access a
  buffer.
- Implement double buffering using two bo's. This is necessary because
  we can't pin the same buffer to the gtt and map it as normal memory.
- Kill XV_DOUBLE_BUFFER. With the above changes, overlay video is always
  doubel buffered.

There is still the XvMC passthrough case, which makes the code slightly
ugly. Unfortunately we can't get at the bo behind this buffer.

Changes since the last review-round:
- Don't overallocate by a factor of 2.
- Prevent possible use-after-free issue.

Signed-off-by: Eric Anholt <eric@anholt.net>
 		2009-10-05 13:08:42 -07:00
m4 Add shave support, enabled by default. 2009-03-13 16:15:44 -07:00
man intel.man: Mark NoAccel option as i810/i815 only 2009-07-11 22:53:11 -07:00
src Xv: rework overlay buffer management 2009-10-05 13:08:42 -07:00
uxa Check the correct Picture for error during creation. 2009-09-22 01:27:25 +01:00
.gitignore Add shave support, enabled by default. 2009-03-13 16:15:44 -07:00
AUTHORS AUTHORS: Add Robert Lowery to the authors file 2009-04-15 18:07:17 -07:00
COPYING Stub COPYING files 2005-12-19 16:25:53 +00:00
Makefile.am Add doltlibtool to DISTCLEANFILES 2009-04-28 20:42:22 -07:00
NEWS NEWS: Add notes for the 2.9.0 release. 2009-09-28 20:02:28 -07:00
README README: kill an evil dot 2009-05-14 14:04:52 -07:00
RELEASING Increment version to 2.9.0 2009-09-28 20:03:39 -07:00
autogen.sh Update autogen.sh to one that does objdir != srcdir. 2005-08-18 09:03:47 +00:00
configure.ac Increment version to 2.9.0 2009-09-28 20:03:39 -07:00
shave-libtool.in Add shave support, enabled by default. 2009-03-13 16:15:44 -07:00
shave.in Add shave support, enabled by default. 2009-03-13 16:15:44 -07:00

README 

xf86-video-intel
Open-source X.org graphics driver for Intel graphics
http://www.intellinuxgraphics.com/

What is xf86-video-intel
------------------------
The xf86-video-intel module is an open-source 2D graphics driver for
the X Window System as implemented by X.org. It supports a variety of
Intel graphics chipsets including:

	i810/i810e/i810-dc100,i815,
	i830M,845G,852GM,855GM,865G,
	915G/GM,945G/GM/GME,946GZ
	G/GM/GME/Q965,
	G/Q33,G/Q35,G41,G/Q43,G/GM/Q45

Where to get more information about the driver
----------------------------------------------
The primary source of information about this and other open-source
drivers for Intel graphics is:

	http://intellinuxgraphics.org/

Documentation specific to the xf86-video-intel driver including
possible configuration options for the xorg.conf file can be found in
the intel(4) manual page. After installing the driver this
documentation can be read with the following command:

	man intel

Mailing list for communication with users and developers of
xf86-video-intel:

	intel-gfx@lists.freedesktop.org

	Note: Subscription is required before posting, but anyone is
	free to subscribe. See instructions (and archives) here:

	http://lists.freedesktop.org/mailman/listinfo/intel-gfx

To report bugs encountered with the driver, see:

	http://intellinuxgraphics.org/how_to_report_bug.html

To see bugs that are targeted to be fixed in the next release:

	https://bugs.freedesktop.org/show_bug.cgi?id=intel-2d-release