OpenGL C Quick Reference

void glClearDepth( GLclampd depth )

Specify the clear value for the depth buffer.

void glCullFace( GLenum mode )

Specify whether front- or back-facing facets can be culled. mode can be GL_FRONT, GL_BACK, or GL_FRONT_AND_BACK.

void glPolygonMode( GLenum face, Lenum mode )

Select a polygon rasterization mode. face can be GL_FRONT, GL_BACK, or GL_FRONT_AND_BACK. mode can be GL_POINT, GL_LINE, or GL_FILL.

void glPolygonOffset( GLfloat factor, GLfloat bias )

Set the scale factor and bias used to offset polygon depth.