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cyberwolfie @lemmy.ml

(Partially solved) How to make Godot recognize my NVIDIA card on Linux?

I am running Godot 4.3 on Linux on a laptop with an NVIDIA RTX3050 Ti latop that I can enable through NVIDIA prime-select. When I have this enabled (not on-demand mode), Blender and games launched through Steam have no issue using the NVIDIA card, but Godot still uses the integrated Intel chip.

Is there an easy way to force Godot to switch device?

EDIT: I didn't get the Flatpak working, but instead running the executable downloaded from godotengine.org, it now works.

6 comments

  • According to this post, you can use the --gpu-index <index> argument to specify a GPU index Godot should use. Only possible if it's using the Vulkan renderer.

    • Thanks for the link. I tried running that, but it seems to fail loading the noveau-driver (I have the proprietary Nvidia-drivers installed, as far as I know I don't have noveau installed). Does Godot in some way depend on using noveau, and can I install that alongside the proprietary drivers?

      This is the output from running with index 0 (as you can see, I'm using a Flatpak build, if that would make a difference?). Index 1 did not use the Nvidia-card, but rather llmvpipe or something (I'm guessing CPU-emulated card?), and that was extremely slow.

       
          
Godot Engine v4.3.stable.flathub.77dcf97d8 - https://godotengine.org
glx: failed to create dri3 screen
failed to load driver: nouveau
OpenGL API 4.6 (Core Profile) Mesa 24.1.3 (git-0c49f54c76) - Compatibility - Using Device: Intel - Mesa Intel(R) Graphics (ADL GT2)

Editing project: /path/to/project
Godot Engine v4.3.stable.flathub.77dcf97d8 - https://godotengine.org
Vulkan 1.3.278 - Forward+ - Using Device #0: Intel - Intel(R) Graphics (ADL GT2)

      The second block is after loading the project where it switches to Vulkan from OpenGL.

      I'll try the on-demand thing mention in the same post tomorrow, I've yet to ever try running that instead of either dGPU completely on or off.

      • Are you sure you don't have the open source drivers? Try removing it. Also could you tell me which distro you're using?

6 comments