[Bug 45626] enabling macOS eGPU settings

https://bugs.winehq.org/show_bug.cgi?id=45626

--- Comment #2 from Ken Thomases  ---
(In reply to Rastafabi from comment #1)
> If this does help anybody:
>
> The status of the eGPU setting can be read here:
>
> defaults read -app <app path> GPUSelectionPolicy
>
> The command does "fail", if the setting hasn't been altered previously, so
> it's safe to assume, that "prefer eGPU" hasn't been selected. Enabling it
> does not affect the system if there is no eGPU present.

Have you tried the following command to see if it helps?

defaults write org.winehq.wine GPUSelectionPolicy -string preferRemovable

To revert to the default, you would use:

defaults delete org.winehq.wine GPUSelectionPolicy