A new surface is created each time because the base image changes. The other,redundant, surfaces will remain in VRAM until the caching algo decides they haven't been used recently enough.
From ram to vram
BlitzMax Forums/BlitzMax Programming/From ram to vramThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.