/dev/fbs/cgsixn
cgsix is a low-end graphics accelerator designed to enhance vector and polygon drawing performance. It has an 8-bit color frame buffer and provides the standard frame buffer interface as defined in fbio(7I) .
In addition, cgsix supports the following cgsix-specific IOCTL , defined in <sys/fbio.h>.
cgsix has registers and memory that may be mapped with mmap(2) , using the offsets defined in <sys/cg6reg.h>.