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GL3.2 Version 4.1 for AIX: Programming Concepts

List of GL Hidden Surface Removal Subroutines

backface
                          Allows or suppresses display of backfacing polygons.
frontface
                          Controls frontfacing polygon removal.
getbackface
                          Indicates whether backfacing polygon removal is on or off.
getzbuffer
                          Indicates whether z-buffering is on or off.
zbuffer
                          Enables or disables the z-buffer for storing depth information.
zdraw
                          Enables drawing to the z-buffer.
zfunction
                          Specifies the function used for depth comparison.
zsource
                          Selects depth or color as the source for z comparisons.
zwritemask
                          Specifies which bits of the z-buffer are drawn during normal z-buffer operation.

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