Dege are those lines added by internals of dgv? IF SO MAYBE YOU CAN BLACK COLOR FOR THEM TO MAKE THEM LESS NOTICABLE? If thats texture coordinates issue then i guess something is not precise enough in scaling recalculation and you probably do some rounding instead of going full precise float.

You can also set any in game resolution, and set DGV resolution to a scale of 2x 4x etc. This also basically serves as SSAA. Actually here is a trick i use for many old game - they was designed mostly for resolution of 640x480 and whenever you set higher res in game, it does not scale menues, ui etc …

Pre DX8 game coding was so overcomplicated. Thanks for detailed explanations. I love to read how things worked in a past.

Recent versions of dgv are very slow in Oddworld 1 & 2 (Odyssey and Exodus), both are ddraw, i get like 1 fps during fmvs and menus. Same behavior happens with few other ddraw game, cant remember which few, but seems like cause is the same. So most likely fixing Abe would fix other ddraw games. I …