Chapter 6. Removing Hidden Surfaces

This section discusses the following aspects of hidden surface removal:

• List of GL Hidden Surface Removal Subroutines
• Understanding Hidden Surface Removal
• Backfacing Polygon Removal
• Z-Buffering
• Control of Z Values
• Additional Z-Buffer Features, including reading the z-buffer, hidden surface removal in the overlay planes, drawing into the z-buffer, alternate comparisons, and z-buffer writemasks