ubuntu-x-swat team mailing list archive

[Robert Hooker <sarvatt@xxxxxxxxx>]

Since you are using xorg-edgers I went ahead and uploaded a new kdebase-
workspace there containing a fix for this. It's likely to be worked
around in natty on the mesa side by reverting a commit since the KDE
guys do not want to take the patch but I believe it is more correct to
fix it on the kwin side.

http://quickgit.kde.org/?p=kde-
workspace.git&a=blob&f=kwin/opengltest/opengltest.cpp

On line 85 it says to assume direct rendering works if DRI2 is exposed
in the GL renderer string. In mesa on intel, "Intel" can be used in
place of the check for "GEM" since Intel is not in the GL renderer
string for !DRI2. Intel only supports KMS/DRI2 and swrast would be used
instead in the other cases which will not pass the check. The GEM
portion that was checked previously was historically added to the string
when KMS was used back when intel supported UMS, but that has not been
the case for some time now which is why it was removed upstream.

Attached is the patch I applied in the PPA cleaned up for distro use in
case it's wanted

** Patch added: "lp753370-kdebase-workspace.patch"
   https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/753370/+attachment/2057881/+files/lp753370-kdebase-workspace.patch

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https://bugs.launchpad.net/bugs/753370

Title:
  No Desktop Effects in Kubuntu 11.04 Beta1