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

[WineHQ Bugzilla]

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

Leopard <yurnerolinux at yandex.com> changed:

           What    |Removed                     |Added
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                 CC|                            |yurnerolinux at yandex.com

--- Comment #2 from Leopard <yurnerolinux at yandex.com> ---
(In reply to Zhiyi Zhang from comment #1)
> 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.

Sadly Nvidia only mode also yields to same result. Which is likely due to how
these setups works and igpu handles the presentation to screen despite
rendering entirely done on dgpu. So lack of support for such systems on Wine
block World War Z from selecting Vulkan renderer and iirc blocks Red Dead
Redemption 2 to run also.

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