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Can cassowary work with a second GPU - passthrough? #137
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Ok! Got this working! Installed the nvidia drivers and now I can passthrough ms programs from windows into linux! Basically just followed a typical passthrough strategy, changed video virtio -> none and everything works. Still a bit choppy, looks like 30hz and I'm using a M4000 with a DP -> HDMI to the monitor. I got black boxes if the PT GPU isn't hooked up to a monitor. So the next question is does a 4k60hz DP dummy exist? Perhaps that's not needed. I do see there is a registry edit in windows that can allow for 60hz framerate. |
Is your feature request related to a problem? Please describe.
I'm frustrated by choppy rendering of the MS apps. It's not that bad, but I'm guessing it'd be faster if they had access to a dedicated GPU.
Describe the solution you'd like
Could cassowary work in such a way that I passthrough a second GPU to the VM, which can render the windows, and then these are piped back through spice/other to Linux/GNOME?
Describe alternatives you've considered
I'm using virtio+openGL and 3D rendering, but it's still a tidbit choppy.
Additional context
I have experience with GPU passthrough, but don't exactly understand what's going on under the hood with spice. Happy to help develop this!
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