[ale] TwinView stupid question

Geoffrey esoteric at 3times25.net
Wed Feb 5 13:01:29 EST 2003


Dow Hurst wrote:
> Geoffrey,
> The TwinView functionality lets you have a single desktop across a 
> couple of monitors with different refresh rates and full hardware accel 
> for normal use.  It is what Xinerama ought to be but isn't yet.  I've 
> wanted hardware accel since a biochemistry modelling app requires it but 
> I didn't want to give my dual head setup.  I think the dual head setup 
> is extremely addictive. :-) 
> My ChainTech brand Geforce2 MX420 doesn't have but one signal output.  I 
> wasn't aware at the time of the TwinView functionality so I bought the 
> wrong configuration.  Since I am going to make this work by getting a 
> better version of the Geforce line, I want to make sure I acquire the 
> right signal outs.  Sound like the DVI to SVGA is a cheap converter so 
> that is good.
> 
> Since the ATI has dual signal outs, is there any way of doing multihead 
> with accel on it?  Sounds like your setup in your XF86Config to do a 
> "clone" dual head.  You want either "Traditional" multihead with 
> separate desktops or "Xinerama" with one desktop.  If XFree manages the 
> "Xinerama" extension then you can't have hardware accel since it isn't 
> supported yet.  I haven't found a ya or nay on "Traditional" multihead 
> supporting hardware accel.  SuSE Sax2 X configurator will tell you that 
> multihead doesn't support 3D accel.  I don't believe that is really true 
> for all cards and situations.

That's interesting, but as you've noted, I do believe it is xinerama 
that doesn't support 3d.  I'd be glad to just get some kind of dual head 
working. :(

-- 
Until later: Geoffrey		esoteric at 3times25.net

The latest, most widespread virus?  Microsoft end user agreement.
Think about it...

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