1991-2006
Silicon Graphics, Inc.
2010-2013
Khronos Group
glCullFace
3G
glCullFace
specify whether front- or back-facing facets can be culled
C Specification
void glCullFace
GLenum mode
Parameters
mode
Specifies whether front- or back-facing facets are candidates for culling.
Symbolic constants
GL_FRONT, GL_BACK, and GL_FRONT_AND_BACK are accepted.
The initial value is GL_BACK.
Description
glCullFace specifies whether front- or back-facing facets are culled
(as specified by mode) when facet culling is enabled. Facet
culling is initially disabled.
To enable and disable facet culling, call the
glEnable and glDisable commands
with the argument GL_CULL_FACE.
Facets include triangles,
quadrilaterals,
polygons, and
rectangles.
glFrontFace specifies which of the clockwise and counterclockwise facets
are front-facing and back-facing.
See glFrontFace.
Notes
If mode is GL_FRONT_AND_BACK, no facets are drawn, but other
primitives such as points and lines are drawn.
Errors
GL_INVALID_ENUM is generated if mode is not an accepted value.
Associated Gets
glIsEnabled with argument GL_CULL_FACE
glGet with argument GL_CULL_FACE_MODE
See Also
glEnable,
glFrontFace
Copyright
Copyright 1991-2006 Silicon Graphics, Inc.
Copyright 2010-2013 Khronos Group.
This document is licensed under the SGI Free Software B License.
For details, see
http://oss.sgi.com/projects/FreeB/.