XGL DPMS support and XV acceleration

Matthias Hopf mhopf at suse.de
Tue Apr 11 10:56:57 PDT 2006

On Mar 31, 06 15:00:24 +0100, Ioannis Nousias wrote:
> Does Xgl support DPMS?

Fixed in CVS to my knowledge.

> I've read somewhere on the list (I can't find it now) that hardware 
> overlay is not used in Xgl. If I'm not mistaken, isn't "xv" (X-Video) 
> the interface for hardware overlay? What does the xgl server option 

xv is the interface for displaying images / video with video related color
formats. It happend to use hardware overlay in the past, for Xorg it
still often does, but sometimes the blitter is used. Depends on the

> "-accel xv" do?

Using fragment programs for color conversion.

> using "mplayer -vo xv" on my nvidia equipped laptop runs extremely slow. 

Read www.opensuse.org/Xgl. I assume you have a GeForce 4Go or
GeForce 5Go. Both are slow at the moment.

> "mplayer -vo gl2" is fine (although not as good as using xv on a normal 
> Xorg xserver)

Indirect OpenGL rendering (as needed on Xgl) is slow for high vertex or
texture loads.


Matthias Hopf <mhopf at suse.de>       __        __   __
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