The First Descendant - dx12 error on IntelArc

[PadTrick]

Cant get any UE5 Games to work if DX12 is used (idk if there are any with DX11). Game boots, EAC boots and then presents me with this popup window. (it's the same with Remnant II).

Software information

The First Descendant

System information

• GPU: Intel Arc A770 16GB
• Driver: Mesa 24.1.2
• Wine version: Proton 9.0-2 (it's the same for every version)
• VKD3D-Proton version: v2.12-58-gf6d39052afb1

Log files

steam-2074920.log

[HunterCZ122]

Try forcing feature level by adding this env var to game's launch options on Steam: VKD3D_FEATURE_LEVEL=12_2 %command% If that doesn't work, try 12_1 instead. I also recommend to use mesa git for Intel Arc.

[PadTrick]

doesnt work, tried several methods that working on my gtx 1070 with no luck already tried mesa-git and it doesnt changed anything. seems to me, that there is functionality missing in vkd3d, but i'm bad at reading logs :) maybe it's missing in mesa idk, hope to get pointed in the right direction ^^

[doitsujin]

I don't really see why this wouldn't work, but if there's a feature that UE5 requires and isn't supported by ANV then we're kind of screwed anyway.

Can you post your vulkaninfo output?

[PadTrick]

vulkaninfo.txt

[TSikavo]

I have the same problem on Arc A750. Most UE5 games have a Fatal error that can be easily resolved by adding force_vk_vendor=-1 %command% to the launch options (this works for both dx12 and dx11). But if the error appears as described above, then nothing can be done. The video card itself can work with dx12 in Linux, but for some reason not all UE5 games want to do so, and this is most likely a proton problem

[PadTrick]

i opened also a issue about it at mesa. lets see where it goes https://gitlab.freedesktop.org/mesa/mesa/-/issues/11469