US Patent Issued to Imagination Technologies on June 2 for "Compression and decompression of sub-primitive presence indications for use in a rendering system" (British Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,217, issued on June 2, 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 Simon Fenney (St. Albans, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A block of sub-primitive presence indications for use in intersection testing in a rendering system is compressed into a block of compressed data. Spatial decorrelation is performed to determine spatially decorrelated presence indications by (i) determining a predicted value for the presence indication based on one or more other presence indications in...