It monitors your FPS in real-time. If your frame rate drops below a certain threshold, the script automatically lowers "behind-the-scenes" settings like render distance, particle density, or global shadows.
It may be a configuration file for a specific standalone game mod (like S.T.A.L.K.E.R. Anomaly ) that handles adaptive AI or difficulty. s-adaptive.lua
Since this specific file name could belong to a few different niche communities, I am answering for the most common interpretation—a —while noting it may also relate to media shaders. Roblox Performance Scripts It monitors your FPS in real-time