ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,558, issued on March 18, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Ray tracing with shared traversal" was invented by Martin Jon Irwin Fuller (Gaydon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for facilitating ray trace operations with shared traversal performs a pre-test operation that includes testing one or more volumes against an acceleration structure associated with a virtual environment to identify a set of candidate nodes of the acceleration structure. The virtual environment comprises one or more virtual objects defined by one or more object components. The system also performs a ray ...