NAME

ffb - 24-bit UPA color frame buffer and graphics accelerator

DESCRIPTION

ffb is a 24-bit UPA-based color frame buffer and graphics accelerator which comes in two configurations.

The single buffered frame buffer consists of 32 video memory planes of 1280 . 1024 pixels, including 24-bit single-buffering and 8-bit X planes.

The double buffered frame buffer consists 96 video memory planes of 1280 . 1024 pixels, including 24-bit double-buffering, 8-bit X planes, 28-bit Z-buffer planes and 4-bit Y planes. The driver supports the following frame buffer ioctls which are defined in fbio(7I).

FBIOPUTCMAP, FBIOGETCMAP, FBIOSVIDEO, FBIOGVIDEO,

FBIOVERTICAL, FBIOSCURSOR, FBIOGCURSOR, FBIOSCURPOS, FBIOGCURPOS, FBIOGCURMAX, FBIO_WID_PUT, FBIO_WID_GET

However, ffb does not support FBIOGTYPE which is part of fbio(7I).Thereplacementis VIS_GETIDENTIFIER.

FILES

/dev/fbs/ffb0

device special file

SEE ALSO

ffbconfig(1M), mmap(2), fbio(7I)