Re: [Xen-devel] VirtIO-GPU 3D OpenGL Hardware Acceleration for VMs and Xen

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 11/01/2016 10:47, Pasi Kärkkäinen ha scritto:
> Hello,
>
> And now all the components listed below are released and available easily.
>
> Dom0:
> - Qemu 2.5 has virtio-gpu 3D/OpenGL acceleration support for VMs.
>
> DomU:
> - Linux 4.4 kernel has the virtio-gpu drm driver.
> - Mesa 11.1 has the virtio-gpu 3D driver (virgl galliumd3 / OpenGL).
>
>
> Did anyone try this stuff with Xen already? :)
I'm also interested on it but I not tried it for now because it is 
usable only locally (with qemu's gtk or sdl2 ui if I remember good), I'm 
waiting spice support (in development).
I'll should be able to do needed libxl support if nobody will do it 
before but I'm not able to do hypervisor changes if needed (like initial 
problems with qxl on xen)
> -- Pasi
>
>
> On Mon, Nov 16, 2015 at 10:52:41PM +0200, Pasi Kärkkäinen wrote:
> > Hello,
> >
> > It seems upstream Linux/Gallium3D/Mesa/Qemu/KVM has recently gained virtualized 
> > support for 3D/OpenGL hardware acceleration in VMs, allowing using the GPU of 
> > the host in VMs.
> >
> > Components:
> >         - Linux 4.4 kernel includes the DRM driver for VirtIO-GPU 3D 
> > acceleration (needed in the VM).
> >         - Qemu 2.5 (rc0) includes the VirtIO-GPU 3D mode support (needed on the 
> > host/dom0).
> >         - Gallium3D VirGL driver is included in Mesa git (needed in the VM, 
> > supports up to OpenGL 3.3 atm).
> >         - On the host/dom0 one needs *any* OpenGL driver (for the host GPU 
> > obviously), no special requirements there, if I understood correctly.
> >
> >
> > Has someone looked into this already? How much work would it be to get 
> > VirtIO-GPU working in Xen HVM guests?
> >
> >
> > Thanks,
> >
> > -- Pasi
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