Early stencil test rejection

Details Early stencil test rejection Early stencil test rejection

2007-02-27

2007-02-27

Nguyen, Phu K. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S419000, C345S420000, C345S422000

Reexamination Certificate

active

10719109

ABSTRACT:
Early stencil rejection is used to improve throughput of a graphics processing pipeline. Early stencil rejection of some fragments may be performed prior to fragment shading using stencil test results based on a predicted stencil function. Early stencil rejection is performed when either the predicted stencil function matches the actual stencil function or the actual stencil function is a subset of the predicted stencil function. Early stencil rejection is performed without additional read accesses of a stencil buffer.

REFERENCES:
patent: 6999076 (2006-02-01), Morein
patent: 7030878 (2006-04-01), Xu et al.

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