ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,437, issued on Nov. 4, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Compression and decompression of sub-primitive presence indications for use in a rendering system" was invented by Alper Ozkan (Hertfordshire, Great Britain) and Simon Fenney (St Albans, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Compressed data is decompressed to determine sub-primitive presence indications in a rendering system. A received compressed block of sub-primitive presence indications is subdivided into a plurality of parent regions, each subdivided into a plurality of child regions. A hierarchical representation of the b...