ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,304, issued on Feb. 17, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Ray tracing using indications of re-entry points in a hierarchical acceleration structure" was invented by Peter Smith-Lacey (Hertfordshire, Great Britain) and Simon Fenney (Hertfordshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method of performing intersection testing in a ray tracing system performs intersection testing for each of a plurality of rays against nodes of a hierarchical acceleration structure. The intersection testing for each of the rays comprises, in response to identifying, in a memory,...