Apparatus, system, and method for Z-culling
US7450120B1 · kind B1 · utility
42Cited by
63References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2003 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Jan 13, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T15/405
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A processor generates Z-cull information for tiles and groups of tiles. In one embodiment the processor includes an on-chip cache to coalesce Z information for tiles to identify occluded tiles. In a coprocessor embodiment, the processor provides Z-culling information to a graphics processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.