NAME

gt - double buffered 24-bit SBus color frame buffer and graphics accelerator

DESCRIPTION

gt is a 24-bit SBus-based color frame buffer and graphics accelerator. The frame buffer consists of 108 video memory planes of 1280 .1024 pixels including 24-bit double buffering, 16 alpha/overlay planes, 24 z-buffer planes, 10 window ID planes, 8 fast clear planes, and 2 cursor planes. It provides the standard frame buffer interface defined in fbio(7), paired with microcode that can be downloaded using gtconfig(1M). Application acceleration is achieved via the XGL native 3D graphics library.

FILES

/dev/fbs/gt0

device special file

/dev/fb

default frame buffer

SEE ALSO

gtconfig(1M), mmap(2), fbio(7)