On Sun, 30 Jun 2019 at 19:30, José Ramón Muñoz Pekkarinen < koali...@gmail.com> wrote:
> On Sun, 30 Jun 2019 at 18:55, Patrick O'Callaghan <p...@usb.ve> wrote: > > > > On Sun, 2019-06-30 at 16:35 +0300, José Ramón Muñoz Pekkarinen wrote: > > > Hi vfio users, > > > > > > I've been taking a look recently to the looking > > > glass project[1], as well as spice display capabilities of > > > qemu, I was wondering if it's possible to have a linux > > > guest with only remote display and use a gpu passed > > > through for 3d rendering either through qxl driver with > > > dri prime, or just removing the qxl device after install. > > > > > > I did a try with qxl + dri prime, though glxinfo came > > > from qxl no matter of the env variable. > > > > > > [1] https://looking-glass.hostfission.com/ > > > > According to that page that only Windows 10 guests are supported at > > present. > > Oh, sure, my interest is to implement this kind of > vm in linux and windows 10, but I'm looking for alternative > ways rather than using looking glass, as it seems it > enforces to use shared memory. > > I see that using egl-headless I could get some sort > of capabilities, but not all of the gpu, and using spice only > I don't find a way to redirect the vga output to the remote > display. > > Best regards. > > José. > > Hi, Have you looked into the feasibility of what you are asking. I see the main problem being the massive bandwidth that is needed. Taking the output frames and passing them via shared memory is reasonable, and that is what "looking glass" does. Passing these same frames over the network is impractical. There is just too much data to pass over the network. This is why various tools like QXL, Spice and VNC exist. Kind Regards James
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