Comment 129 for bug 177492

Revision history for this message
Bryce Harrington (bryce) wrote : Re: [Bug 177492] Re: EXA is balls-achingly slow

Hopefully, Intrepid will include TTM.

On Wed, Apr 30, 2008 at 09:49:43AM -0000, Fabio Povoledo wrote:
>
> "I think it can be safely said that any further slowdowns of video playback while compiz (or perhaps another compositive manager which uses indirect glx) is running, are because of the fact that the video frames are being transferred over aiglx as textures. Unless the kernel supports something like TTM to accelerate this, video playback will continue to stutter. When using a non-compositing window manager (metacity with compositing off), video playback is perfectly fine.
> So perhaps this bug depends on support of ttm in the kernel."
>
> Can u explain better what u mean? Is the next kernel going to support
> this TTM module? The blue screen on compiz when using xv is quite
> annoying and i'd like to be able to enable video texturing as soos as
> possible...
>
> --
> EXA is balls-achingly slow
> https://bugs.launchpad.net/bugs/177492
> You received this bug notification because you are the registrant for
> xf86-video-intel.
>
> Status in X.org xf86-video-intel: In Progress
> Status in Source Package "xserver-xorg-video-intel" in Ubuntu: Fix Released
>
> Bug description:
> Binary package hint: xserver-xorg-video-intel
>
> The default acceleration mode in hardy, which I understand is EXA, is incredibly slow. The experience of running compiz with it is awful.
>
> Changing to XAA in the config file solves the issue, though then I obviously lose video.