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.
this post was submitted on 26 Aug 2024
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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?
I thought I was sure, but I do have it installed it turns out:
$ lspci -k
01:00.0 3D controller: NVIDIA Corporation GA107M [GeForce RTX 3050 Ti Mobile] (rev a1)
Subsystem: Tongfang Hongkong Limited GA107M [GeForce RTX 3050 Ti Mobile]
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
Removing it would not cause me any trouble?
I'm on Tuxedo OS 3.
Ok, so something I should have tried immediately is using something other than the Flatpak build. Downloading the executable straight from godotengine.org worked fine.
Would still be good if the Flatpak would work. Should maybe report this here?
Glad it worked. Though it seems like none of the flatpaks are official, so reporting it to the Godot devs mean nothing.