Re: [Xen-devel] Grad project transition to masters thesis idea

["Niraj Tolia" <ntolia@xxxxxxxxx>]

Hi Jeff,

You might want to look at Xen-GL and Blink. They both virtualize
OpenGL for Xen VMs.

URLs: http://www.cs.toronto.edu/~andreslc/xen-gl/ and
http://www.diku.dk/hjemmesider/ansatte/jacobg/gfx/

Cheers,
Niraj

On 9/2/06, Jeff Shanab <jshanab@xxxxxxxxxxxxx> wrote:
> I am starting a Grad class on graphics and planning on turning it into
> my masters thesis.  I would like to write a openGL split graphics driver
> for zen to allow sharing of accelerated graphics. (without copying large
> amounts of data around)
>
> Kind of xgl+xen in domain zero with each pane a seperate domain. I
> envision a rotate left right between desktop and a rotate up down
> between domains. Not really a cube anymore, but you get the point.   I
> have been reading documents on xgl,compviz,xgtk,xegl and xen but I am
> not sure if this is possible yet.
>
> What I am thinking is that each opengl context will be "registered" with
> the hypervisor and a virtual openGL driver provided in each domain will
> serve out xgl for an x server to use. A domain switch is just a eye
> point change or opengl context change, what is in the card stays there
> between switches.
>
> But... Am i correct in assuming that the driver in domain zero will have
> to be made xen aware so that it can determine which domain interupts
> from code accesing the card belong to? What I am afraid is that since
> the card has a GPU it is like a dual processor system and that there
> might not be enough  access to the GPU, that it may need it's own
> hypervisor . I don't really know how the GPU's work. Is the code running
> in the main CPU or in the GPU, where is that line?
>
> Suggestions, comments?
>
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