glCullFace

glCullFace

NAME

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 and GL_BACK are accepted. The default 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 enabled and disabled using 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" .

ERRORS

GL_INVALID_ENUM is generated if mode is not an accepted value.

GL_INVALID_OPERATION is generated if glCullFace is called between a call to glBegin and the corresponding call to glEnd.

ASSOCIATED GETS

glIsEnabled with argument GL_CULL_FACE

glGet with argument GL_CULL_FACE_MODE

SEE ALSO

"glEnable" , "glFrontFace"