ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,921, issued on Feb. 3, was assigned to Arm Ltd. (Cambridge, Great Britain).

"Ray tracing graphics processing using micromaps" was invented by Gustaf Daniel Waldemarson (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A graphics processing system that is operable to perform ray tracing using micromaps is disclosed. A tree representation of a micromap is generated, and when it is desired to determine whether and/or how a ray interacts with a sub-region of a primitive, the tree representation of the micromap is traversed to determine a property value for the sub-region of the primitive."

The patent was filed on Nov. 15, 2023, under Applicat...