Based on the naming convention and technical context, refers to a specialized graphics modification (mod) package, most likely designed for older or specific game engines like DirectX 8 (commonly associated with Reshade setups or specific titles like The Elder Scrolls III: Morrowind or GTA: San Andreas ).
: A standout feature is the improved handling of dynamic light on characters, which many users find superior to the base game's options. Expanded Customization xukmi+fx+shaders
I searched for information regarding , but I could not find any verified or widely known articles, software, or graphics resources under that exact name. Based on the naming convention and technical context,
Write your vertex, fragment, and possibly geometry shaders in a text editor. Write your vertex, fragment, and possibly geometry shaders
If you install the latest pack, here are the signature shaders you will find, and what they do: