VideoModesOnTheFly
From FTE
FTE can switch Video Modes on the fly. The following can be changed on the fly through (menu_video) or alternately changing the console variable manually followed by a (vid_restart) without changing maps or leaving a game.
• Height (vid_height)
• Width (vid_width)
• Bits per pixel (vid_bpp)
• Video Renderer (vid_renderer) - Software 8 to 32bit, OpenGL 8 to 32bit, Direct3D 8 to 32bit
• Fullscreen/Windowed (vid_fullscreen)
• Display Hz Frequency (vid_displayfrequency)