Re: KDE 3 users: What are the last of the KDE 3 features missing from KDE 4?

[Paul Hartman <paul.hartman+gentoo@xxxxxxxxx>]

On Wed, Jul 15, 2009 at 12:35 AM, Andrew Mason<slackmase2@xxxxxxxxx> wrote:
> I have a few machines which can't run KDE 4 due to the way it
> interacts with the graphics drivers. Even without composite enable it
> just crawls on older Nvidia and ATI cards. The nvidia graphics cards
> can't be changed driver wise, obviously, where as the ATI ones i guess
> will improve with time.
>
> I don't really know what can be done with this situation. Is it
> possible to for Qt /KDE to fall back to the 'old' method for rendering
> 2d if say compositing is turned off , or if its started with a certain
> ENV var ?
>
> I don't know how many people  this affects however I have 3 in the
> office and 4 at home which are in this situation. I have 3 machines
> out of 10 which are capable of running KDE4 'correctly'.  Some of
> these machines i can't even  get new video cards for, at least not
> ones that will run KDE4 at a reasonable speed.

Have you tried different AccelMethod values in your xorg.conf? I had
very very very slow 2D performance (no compositing enabled) on my
laptop and changing the AccelMethod to EXA gave me a huge increase in
speed.
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