With sprite clipping on GL mode, a ot of the bigger monsters are cut off when they die. Some monsters in my wad, which has a low attack sprite gets part of the sprite cut off. Raising the sprite is no an option because it would push the monster into the air. GL needs an option to turn off the sprite clipping completely.
So see what I mean, here's a screeshot. The Black maulitaur gets the hammer and part of his leg cut off by the floor.
It would be nice to have this feature, though my rather limited pallete of hack suggestions all have very noticeable and very easily triggered side-effects... Would be nice to have the option, though (like pushing the floor farther back than sprites, but I'm guessing that floor/ceiling polygons and wall polygons aren't differentiated)