Method and apparatus for accelerating occlusion culling in a...

Details Method and apparatus for accelerating occlusion culling in a... Method and apparatus for accelerating occlusion culling in a...

2005-08-16

2005-08-16

Jankus, Almis R. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

Reexamination Certificate

active

06930684

ABSTRACT:
A method for accelerating occlusion culling in a graphics computer is disclosed. A depth test is performed on a fragment for a first time to determine if the fragment is visible. The fragment can be marked as potentially visible if the depth test concluded that the fragment is visible. Subsequently, the depth test is performed on the fragment for a second time to determine if the fragment is visible. If the depth test concludes that the fragment is visible, graphics processing for the fragment can be stopped at this point.

REFERENCES:
Watt et al., Advanced Animation and Rendering Techniques, 1992, ACM Press, pp. 3, 127-130.

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