In the context of the IW 5.0 Engine (used by MW3), the string codepregfxff can be deconstructed as follows:
What is a Fast File (.ff)?
In Call of Duty titles, .ff files are archive containers used by the game engine to store compressed data. They can contain: codepregfxff mw3
Therefore, codepregfxff likely refers to a pre-loaded graphics Fast File or a specific internal reference to the graphics memory heap. Cleanup
Modern Warfare 3 uses a "Zone Tool" to load assets. When the game launches or loads a map, it reads Fast Files to populate the memory. Recovery