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WebGLRenderingContext.cullFace()

The WebGLRenderingContext.cullFace() method of the WebGL API specifies whether or not front- and/or back-facing polygons can be culled.

Syntax

void gl.cullFace(mode);

Parameters

mode
A GLenum specifying whether front- or back-facing polygons are candidates for culling. The default value is gl.BACK. Possible values are:
  • gl.FRONT
  • gl.BACK
  • gl.FRONT_AND_BACK

Return value

None.

Examples

Polygon culling is disabled by default. To enable or disable culling, use the enable() and disable() methods with the argument gl.CULL_FACE.

gl.enable(gl.CULL_FACE);
gl.cullFace(gl.FRONT_AND_BACK);

To check the current cull face mode, query the CULL_FACE_MODE constant.

gl.getParameter(gl.CULL_FACE_MODE) === gl.FRONT_AND_BACK;
// true

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'cullFace' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glCullFace' in that specification.
Standard Man page of the OpenGL API.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 9 4.0 (2.0) 11 12 5.1
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? 25 (Yes) ? 12 8.1

See also

Document Tags and Contributors

 Contributors to this page: fscholz
 Last updated by: fscholz,