US Patent Issued to ARM on June 30 for "Graphics processors and graphics processing method for visibility testing groups of fragments at a patch level" (Norwegian, Swedish Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,638, issued on June 30, was assigned to ARM Ltd. (Cambridge, Great Britain).

"Graphics processors and graphics processing method for visibility testing groups of fragments at a patch level" was invented by Ole Magnus Ruud (Oslo, Norway), Sandeep Kakarlapudi (Trondheim, Norway), Tord Kvestad Oygard (Kirkenes, Norway), Per Kristian Kjoll (Trondheim, Norway) and Toni Viki Brkic (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "When performing tile-based rendering a first, pre-pass operation in which primitives in a sequence of primitives for a tile are processed to determine visibility information for the sequence, the visibility information...