Intersection testing for ray tracing
US11721060B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Sep 30, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Sep 30, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2210/52
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for performing intersection testing of rays in a ray tracing system. The ray tracing system uses a hierarchical acceleration structure comprising a plurality of nodes, each identifying one or more elements able to be intersected by a ray. The system iteratively obtains ray requests, each of which identifies a ray and a node against which the ray is to be tested, and performs intersection testing based on the ray requests. The number of ray requests obtained in each iteration reduces responsive to an amount of memory occupied by information relating to the rays (undergoing intersection testing) increasing.
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