glCullFace : PyOpenGL 3.0.2 GL Man Pages

specify whether front- or back-facing facets can be culled

Signature

glCullFace( GLenum ( mode ) )-> void

glCullFace( mode )

Parameters

Variables	Description
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

Copyright

1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/ .

Sample Code References

The following code samples have been found which appear to reference the functions described here. Take care that the code may be old, broken or not even use PyOpenGL.

glCullFace

OpenGLContext tests/shadow_1.py Lines: 455, 469

OpenGLContext OpenGLContext/shadow/passes.py Lines: 313

OpenGLContext OpenGLContext/shadow/volume.py Lines: 243, 265

OpenGLContext OpenGLContext/passes/rendervisitor.py Lines: 343

OpenGLContext OpenGLContext/passes/flat.py Lines: 364

OpenGL-Demo PyOpenGL-Demo/dek/OglSurface/triangle.py Lines: 34

{LGPL} PyMT pymt/obj.py Lines: 21, 92

{LGPL} Pyggel pyggel/view.py Lines: 188

Gloopy gloopy/view/render.py Lines: 87

Visvis wobjects/textures.py Lines: 755, 951, 1192

Visvis wobjects/polygonalModeling.py Lines: 1025