dxvk

dxvk is Vulkan-based implementation of D3D9, D3D10 and D3D11 for Linux / Wine (and Windows) https://github.com/doitsujin/dxvk 11.5k Stars! The issues has been reported before, dating back to 2018...

OBS can perfectly capture other Vulkan applications (like RPCS3) both windowed or fulllscreen and can capture DXVK on windowed mode just fine as well. Currently I'm trying to capture Dark Souls 1 PTDE (DX9) running through DXVK (version 1.7.1) and it will not capture it if is on fullscreen...

I'm using OBS Studio 22.0.2 on Ubuntu 18.04 LTS with nVidia 1070 and 396.54 drivers, and I recently came across the problem, that I couldn't capture certain windows. E.g. no steam client window can be caputured, they're just black, or game windows that are coming from steam's proton or my own...