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Re: [Xen-users] hardware accelerated 3D-graphics in Win-XP-domU possible

To: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Subject: Re: [Xen-users] hardware accelerated 3D-graphics in Win-XP-domU possible?
From: Martin Nicolay <m.nicolay@xxxxxxxxxxx>
Date: Wed, 22 Mar 2006 17:36:50 +0100 (CET)
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Reply-to: Martin Nicolay <m.nicolay@xxxxxxxxxxx>
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On Wed, 22 Mar 2006, Mark Williamson wrote:
> Further in the future:
> * Jacob Gorm Hansen has written a paravirtualised 3d driver called "blink"
> that may allow this (nb. currently for Linux / Unix guests)
> * You might be able to give Linux guests access to a separate PCI graphics
> card using the PCI assignment stuff
> If you want Windows games, I guess you could use Wine / Cedega .... ?  Of
> course if you did that, you might as well run in dom0 or on native Linux!

Unfortunately every time I purchase a new game it's not supported by
Cedega.  Half of the games are supported after a year.

> Further developments include efforts by some companies to develop a
> virtualisation-aware 3d graphics card that'll support multiple virtual
> machines, and the IOMMU work mentioned.  It'd also be possible to emulate a
> full 3d card to the Windows guest, but it's not clear that'd be worth the
> effort.

If necessary I would dedicate a graphics card exclusive for the Win-domU.
But the IOMMU work is still necessary.

I had thought a Win-XP virtual graphics-driver could forward the domU
direct-x3d calls to a dom0 wine-proxy.  This proxy would use the
accelerated hardware.  Ignorance about problems in this field leads to
interesting thoughts ;-).

> Sorry there's not a better answer right now :-/

Xen is a great solution of many other (server not desktop) problems for
me, so I'm reluctant to complain :-).


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