glCullFace — specify whether front- or back-facing polygons can be culled
void glCullFace( | GLenum mode) ; |
mode
Specifies whether front- or back-facing polygons are candidates for culling.
Symbolic constants
GL_FRONT
, GL_BACK
, and GL_FRONT_AND_BACK
are accepted.
The initial value is GL_BACK
.
glCullFace
specifies whether front- or back-facing polygons are culled
(as specified by mode) when polygon culling is enabled. Polygon
culling is initially disabled.
To enable and disable polygon culling, call the
glEnable and glDisable commands
with the argument GL_CULL_FACE
.
glFrontFace specifies which of the clockwise and counterclockwise polygons are front-facing and back-facing. See glFrontFace.
If mode
is GL_FRONT_AND_BACK
, no polygons are drawn, but other
primitives such as points and lines are drawn.
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