Re: [Xen-users] 3D acceleration

[Ernst Bachmann <e.bachmann@xxxxxxxx>]

On Friday 24 February 2006 09:14, variant integrity wrote:
> Hi all!
>
> Is it likly that xen/windows/supported hardware will ever support full 3d
> acceleration of the guest os? I expect that this would be hard to achieve
> and I would love to help if I were capable! Just a thought anyway..

If the guest os outputs on a window on dom0, I'd guess its more or less 
impossible.

(You'd have to emulate some 3D capable VGA for the domU, like an NVIDIA/ATI, 
have to reverse engineer the proprietary / trade secret / patented protocols 
their drivers use to talk to the card. Then extrapolate the 
vertex/texture/... data from the command stream, generate openGL from that, 
emulate the functions used but not avail in openGL, and then finally pass it 
to the dom0 OpenGL driver)

However, if you install a secondary VGA, Monitor, Keyboard, Mouse and use PCI 
passthrough to make them all visible to the guest OS, it could be doable.

/Ernst

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