Distribution caching for direct lights
US9619922B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Sep 4, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T15/50
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
There is provided a system and method of distribution caching for direct lights in a scene. The system including a memory and a processor configured to execute a rendering software application to shoot a plurality of rays through a scene that includes a plurality of lights, generate a plurality of cache points at different locations throughout the scene based on the shooting of the plurality of rays, compute a list of lights for each cache point from the plurality of cache points, the list of lights including lights from the plurality of lights that provide illumination at a location of the cache point, and store the plurality of cache points in a memory. The processor may further be configured to execute the rendering software application to render the scene using the cache point database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.