Re: [Xorg] Re: Damage/Composite + direct rendering clients

[Andy R. <ar...@nv...>]

On Mon, 17 May 2004, Alex Deucher wrote:

> 
> --- Andy Ritger <ar...@nv...> wrote:
> > 
> [snip]
> > 
> > - A Video Overlay Xv Adaptor is obviously fundamentally incompatible
> >   with Damage/Composite.  Should X drivers no longer advertise
> >   Video Overlay Xv adaptors if they are running in an X server that
> >   includes Composite support?
> > 
> 
> Many video overlays support alpha blending with the graphics layer,
> it's just that support was never implemented since xfree86 never
> supported it.  I wrote a patch for radeon a while back.  As I recall,
> it should also be possible with r128 and savage hardware, although I
> haven't tested on those chips as of yet. it may also be possible on
> other chips.
> radeon patch:
> http://www.botchco.com/alex/radeon/Xv/xv_alpha/radeon_xvalpha.diff
> 
> OT: radeon patch that enables Xv gamma correction:
> http://www.botchco.com/alex/radeon/Xv/xv_gamma/radeon_video_gamma.diff
> 
> Alex

Thanks, Alex, but how would this fit in with the Composite
extension's notion of redirecting windows to offscreen storage?

Thanks,
- Andy

> > 
> > 
> > Feedback very welcome.
> > 
> > Thanks,
> > - Andy
> > 
> > 
> 
> 
> 
> 	
> 		
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