ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,048, issued on July 29, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Tessellation method using displacement factors" was invented by Peter Malcolm Lacey (Buckinghamshire, Great Britain) and Simon Fenney (St. Albans, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tessellation method uses both vertex tessellation factors and displacement factors defined for each vertex of a patch, which may be a quad, a triangle or an isoline. The method is implemented in a computer graphics system and involves calculating a vertex tessellation factor for each corner vertex in one or more input patches. Tessellation is...