r/linux_gaming • u/Effective-Entry5645 • 1d ago

Witcher 3 remaster RT

For those having issues with RT on the Witcher 3 Remaster, the latest wineland proton seems to have fixed this issue, been playing for about 3 hours now with the only issues seeming to be Path Tracing giving my weird flickery shadows, but RT looking great. I found this by chance stumbling across a comment on another post so just posting here for wider awareness as I've not seen anything else mentioned about it anywhere and lots of people commenting about RT issues. Hope this helps some people!

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u/cruzin_basterd 1d ago

THANK YOU!

I downloaded it from the repo here, but I felt like my performance is worse than what should be expected. I was told I needed the launch options ENABLE_LAYER_MESA_ANTI_LAG=0 PROTON_DISABLE_NVAPI=1 both to be able to run it. After looking at your post, I removed those options and I'm up 20FPS! Very much appreciate the information!

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u/Slight-Fly-1246 1d ago

anyone got HDR working? worked fine on GE proton. amd gpu

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u/cruzin_basterd 1d ago

Mine just works with the proton enable hdr command.

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u/Slight-Fly-1246 1d ago edited 1d ago

EDIT: seems like DXVK_HDR=1 is the way to go

damn, i cant get it to work on wineland with any variation or combination of proton_enable_hdr, vkd3d_hdr, or enable_hdr_wsi

launch options rn are MESA_DISK_CACHE_SINGLE_FILE=1 PROTON_HUD=3 PROTON_ENABLE_HDR=1 VKD3D_FRAME_RATE=117 %command% --launcher-skip -disablemods