ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,891, issued on Feb. 24, was assigned to Arm Ltd. (Cambridge, Great Britain).
"Graphics processors" was invented by Yoav Asher Levy (Ra'anana, Israel), Jakob Axel Fries (Lund, Sweden) and William Robert Stoye (Cambridge, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A graphics processor operable to render frames that represent a view of a scene using a ray tracing process includes a ray tracing circuit operable to test rays against a ray tracing acceleration data structure for a ray tracing process. The ray tracing circuit comprises a ray testing circuit operable to perform ray intersection tests for nodes of a ray tracing acceleration...