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Message #04358
[Bug 377090] Re: [i945gm] [RFC Karmic] DRI2 swapbuffers
** Description changed:
Binary package hint: xserver-xorg-video-intel
I'm not really sure how to best describe this bug, so I think it would
be best to invoke the wisdom of the person working on it:
http://virtuousgeek.org/blog/index.php/jbarnes/2009/05/07/pageflipping_blocking_etc
Jesse Barnes and others are hard at work at this moment to deliver tear-
free output (read vsync) over DRI2. Unfortunately, only 95% of the
requisite code may make it into Karmic if 2.6.30 is the chosen kernel
for the release.
Short of a backport of the needed kernel modifications and a merging of
the dri2-swapbuffers branches into certain packages, Ubuntu may find
itself lacking proper vsync in an DRI2+UXA+KMS setup until at least next
April.
In order to properly implement DRI2 swapbuffers, the following
modifications are needed:
* dri2-swapbuffers branches of dri2proto, mesa, xserver and xf86-video-intel
* kms-pageflip from the drm tree
* i915-dri2-swapbuffers-15.patch from the “[RFC] DRI2 swapbuffers (yes yet again)” thread on dri-devel@xxxxxxxxxxxxxxxxxxxxx
+
+
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
+ Subsystem: Dell Device [1028:01d8]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
+ Subsystem: Dell Device [1028:01d8]
--
[i945gm] [RFC Karmic] DRI2 swapbuffers
https://bugs.launchpad.net/bugs/377090
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which is the registrant for xf86-video-intel.
References