How can I use my Intel GPU in a headless X server?

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                          When OpenGL rendering something using my normal X server, intel_gpu_top shows me that Render/3D/0 is being used (to about 60%). When doing the same rendering on a dummy X server (the *xserver-xorg-video-dummy* package on Ubuntu), the GPU does not get used. Instead, the CPU is maxing out, but rendering is 2 or 3 times slower.

Is it possible make use of my GPU in a headless setup?

Asked by Evgeniy Berezovsky (785 rep)

Apr 13, 2021, 11:58 PM
Last activity: Aug 11, 2023, 03:27 AM

How can I use my Intel GPU in a headless X server?

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