Dynamic fragment coverage antialiasing
US8686999B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2009 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Feb 26, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T15/503
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The following discloses antialiasing systems and methods. Information about one or more fragments or primitives in a pixel area may be dynamically stored. The stored information may include, for example, depth, color, location and coverage. The coverage and depth information may be tracked at a higher frequency across the pixel than the number of fragments or primitives. Fragments or primitives that enter into a pixel area may be compared with fragments or primitives that have been stored. The comparisons may be based on depth and coverage. Either the incoming fragment or the stored fragment may be deleted based on the comparisons. Information associated with fragments that are preserved may be sampled at any location associated with their coverage area of a pixel. Fragments or primitives that are not discarded may be preserved for a final resolve process, which may incorporate information available from neighboring pixel areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.