US Patent Issued to Apple on May 12 for "Pruning ray tracing traversal operations based on local ray parameter value" (British, American Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,447, issued on May 12, was assigned to Apple Inc. (Cupertino, Calif.).

"Pruning ray tracing traversal operations based on local ray parameter value" was invented by Ali Rabbani Rankouhi (Bushey, Great Britain), Luca O. Iuliano (Milton Keynes, Great Britain), David J. Bermingham (Cambridge, Great Britain) and Christopher A. Burns (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are disclosed relating to graphics processors that support ray tracing. In disclosed embodiments, ray intersect circuitry is configured to access a traversal stack used for traversal of multiple levels of a bounding volume hierarchy (BVH) acceleration da...