GT(4S)

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

CONFIGURATION
device-driver gt

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(4S), paired with microcode which can be downloaded using gtconfig (8). Application acceleration is achieved via the Pixrect/Pixwin and SunPHIGS Application Programmer Interfaces (APIs).

FILES
/dev/gt0
    device special file
/dev/fb
    default frame buffer

SEE ALSO
gtconfig(8)