this post was submitted on 24 Aug 2023
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Baulder's Gate texture glitter under Steam/Vulcan? (self.linux_gaming)
submitted 1 year ago by Thurkeau to c/linux_gaming
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I'm running a Radeon 6770 on my home machine, running Mint and running Baulder's Gate 3 under Steam, and have been having some surfaces sparkle or not show correctly when running it with Vulkan in Proton, though everything looks perfect when using DirectX. It also looks correct in both modes when run on Steam deck. What is this phenomenon, just a bug in my graphics driver and Vulkan? None of my other games exhibit this issue.

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[–] [email protected] 3 points 1 year ago* (last edited 1 year ago) (2 children)

The Steam Deck uses Wayland. Mint uses X11. That could be making the difference for the Vulkan version.

That and the 6770 is an old card, so it could be that the DX11 translated to Vulkan better takes your card's particulars into account than the native Vulkan backend does.

[–] just_another_person 5 points 1 year ago

This should be less the window server than the gfx API at play. I'd say force DirectX if you think that looks better visually.

[–] ShadyGrove 2 points 1 year ago (1 children)

I'm getting similar issues with a 7900xtx in vulkan (distro is guix). So I'ts definitely not the age of the card. I tried messing with the settings and have been unable to fix it.

Maybe switching to dx11 is the trick here? I haven't tried it yet.

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

Yeah, worth a shot. Personally I had more graphical errors on DX11 with my 6700XT, but it definitely seems to vary by card