Radeon EXA experiences

Benjamin Herrenschmidt benh at kernel.crashing.org
Sat Sep 24 15:50:52 PDT 2005

On Sat, 2005-09-24 at 16:11 +0200, Pierre Ossman wrote:
> I installed the latest xorg from cvs to give the new exa framework a go.
> These are the issues I found:
>  * The initial 'X' cursor is instead a blue, semi-transparent square.
>  * Only the first word of most texts is rendered.
>  * Occasional rendering glitches around glyphs. A multicolored
> horisontal line appears.
>  * Mouse pointer disappears over GL windows.
>  * Mouse only gets 1-bit alpha over Xv overlay.

Have you checked out CVS ? At least some of these should have been fixed
by now.

> If I start xcompmgr I also have the problem of GL overlay not being
> clipped. But this appears on XAA aswell. XAA also gives rendering bugs
> with GL and xcompmgr so on this point EXA is more well behaved.

xcompmgr has bugs :)

> Only the text rendering bug is a real show stopper. Is there some way to
> disable just the glyph acceleration?

It should be fixed in current CVS

> Btw, composite and shadows on windows have got a real now even without
> EXA. I thought XAA couldn't accelerate those things?

XAA can, but not nearly as well as EXA.


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