If you are using a mod to force FSR 2 exclusively, you will often find an .ini or .json configuration file included with the mod package. Open this file and ensure the rendering path is explicitly set to Vulkan ( VK ) rather than DirectX ( DX12 ).
In the context of PC graphics modification, an implementation refers to forcing a game or system to rely solely on a designated DLL file rather than system-wide defaults or alternative APIs (like DirectX 12). ffx fsr2 api vk x64dll exclusive
A high-efficiency, cross-platform graphics API. Vulkan provides lower-level access to hardware, reducing CPU overhead. It is the successor to OpenGL and a direct competitor to DirectX 12. If you are using a mod to force