US Patent Issued to Advanced Micro Devices, ATI Technologies on June 30 for "Pre-filtering nodes for bounding volume hierarchy" (American, Canadian, British Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,655, issued on June 30, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.) and ATI Technologies ULC (Markham, Canada).

"Pre-filtering nodes for bounding volume hierarchy" was invented by Michael John Livesley (Milton Keynes, Great Britain), David William John Pankratz (Markham, Canada), Sean Keely (Austin, Texas) and Andrew Erin Kensler (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for performing ray tracing operations is provided. The technique includes for a ray being tested for intersection with geometry associated with a bounding volume hierarchy, traversing to a pre-filtering node that includes infor...