performance problems with ATI Radeon r300

Clemens Eisserer linuxhippy at
Thu Jul 2 21:34:17 BST 2009

Hi Wolfgang,

> If I use the proprietary fglrx driver, some effects like wandering through
> windows with Alt + TAB are acceptable at times, but not if more than about
> eight window are open. Others, like moving a window around the screen with
> transparency enabled, are never smooth. If I use the opensource radeon
> driver, it’s even worse.

The open-source driver should accelerate all that stuff pretty well,
so the question is whats going wrong in your case.
An R300 is clearly powerful enough for simple stuff like a GL
composition manager.

Have you been using EXA or XAA?

- Clemens
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