glClear

The glClear function clears buffers to preset values.

glClear( mask );

Arguments                    mask                                                               

The four masks are the following OpenGL constants.

Mask                                                          Buffer to be Cleared    

GL_COLOR_BUFFER_BIT                           The buffers currently enabled for color writing.

GL_DEPTH_BUFFER_BIT                           The depth buffer.

GL_ACCUM_BUFFER_BIT                          The accumulation buffer.

GL_STENCIL_BUFFER_BIT                         The stencil buffer.

Remarks

The glClear function sets the bitplane area of the window to values previously selected by ClearColor, glClearIndex, ClearDepth, glClearStencil, and glClearAccum.