Chapter 8
Hidden surface removal
8.1.1 Front-facing and back-facing polygons
8.7 Potentially-Visible Sets (PVS), computing PVS via portals
8.8 Hardware occlusion queries and their usage
When we need to render a group of 3D-polygons/objects usually some of them are obscured (at least partially) from the observer by others. For a large number of objects the number of really visible objects constitutes usually only a small fraction of all objects – it is easily observed for ...
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