[Bug 49636] Wine does not fill in Vulkan device LUID for more than 1 GPU

WineHQ Bugzilla wine-bugs at winehq.org
Thu Jul 30 23:25:38 CDT 2020


https://bugs.winehq.org/show_bug.cgi?id=49636

Zhiyi Zhang <zzhang at codeweavers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from Zhiyi Zhang <zzhang at codeweavers.com> ---
Currently Wine uses RandR outputs to correlate Vulkan displays and find their
corresponding GPUs, see
dlls/winex11.drv/xrandr.c#get_gpu_properties_from_vulkan(). I guess on a Nvidia
prime setup, only the integrated GPU is actually driving RandR outputs so Wine
can't find the corresponding discrete GPU from its XRandR provider. 

For the moment you can try to use the discrete GPU to drive X. See
https://rpmfusion.org/Howto/Optimus#NVIDIA PrimaryGPU Support. I don't have a
such a setup so I didn't try it.

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