getbuffer(3G) — Silicon Graphics
NAME
getbuffer − indicates which buffers are enabled for writing
SPECIFICATION
C
long getbuffer()
FORTRAN
integer*4 function getbuf()
Pascal
function getbuffer: longint;
DESCRIPTION
getbuffer indicates which buffers are enabled for writing in double buffer mode. 1, the default, indicates the back buffer is enabled; 2 indicates the front buffer is enabled; and 3 indicates that both buffers are enabled.
getbuffer returns 0 if both buffers are disabled or if the system is not in double buffer mode.
| Value | Buffer Enabled | Symbolic Name |
| 0 | none | NOBUFFER |
| 1 | back buffer | BCKBUFFER |
| 2 | front buffer | FRNTBUFFER |
| 3 | both buffers | BOTHBUFFERS |
SEE ALSO
backbuffer, doublebuffer, frontbuffer Programming Guide, Section 6.1, Display Modes
NOTE
This routine is available only in immediate mode.
Version 3.6 — December 20, 1987