glCullFace: specify whether front- or back-facing facets can be
culled.
C Specification |
Parameters |
Description |
Notes |
Errors |
Associated Gets |
See Also
void glCullFace(
GLenum mode)
- 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.
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.
If mode is GL_FRONT_AND_BACK, no facets are
drawn, but other primitives such as points and lines are drawn.
- GL_INVALID_ENUM is generated if mode is
not an accepted value.
- GL_INVALID_OPERATION is generated if glCullFace is executed between the
execution of glBegin and the
corresponding execution of glEnd.
glIsEnabled with argument
GL_CULL_FACE
glGet with argument
GL_CULL_FACE_MODE
glEnable,
glFrontFace