Returns the state of backfacing filled polygon removal.
FORTRAN (libfgl.a)
Int32 getbackface( )
INTEGER*4 GETBAC
The getbackface subroutine returns the state of backfacing filled polygon removal. If backface removal is on, the system draws only those polygons that face the viewer.
Note: This subroutine cannot be used to add to a display list.
| 0 | Removal enabled. |
| 1 | Removal disabled. |
This subroutine is part of GL in the AIXwindows Environment/6000 Version 1, Release 2 with AIXwindows/3D Feature.
| /usr/include/gl/gl.h | Contains C language constant and variable type definitions for GL. |
| /usr/include/gl/fgl.h | Contains FORTRAN constant and variable type definitions for GL. |
Allowing or suppressing the display of backfacing polygons with the backface subroutine.
AIX Graphics Library Overview, Querying the System, and Removing Hidden Surfaces.