ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,868, issued on Feb. 18, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Ray tracing in computer graphics using intersection testing at selective resolution" was invented by Luke T. Peterson (San Francisco), James A. McCombe (San Francisco), Ryan R. Salsbury (Mountain View, Calif.) and Stephen Purcell (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Ray tracing, and more generally, graphics operations taking place in a 3-D scene, involve a plurality of constituent graphics operations. Responsibility for executing these operations can be distributed among different sets of computation units. The sets...