ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,045, issued on May 19, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).

"Microfacet surface rendering" was invented by Yusuke Tokuyoshi (Tokyo) and Kenta Eto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for rendering is provided. The technique includes obtaining one or more samples for a pixel, the samples obtained for a microfacet surface from a spherical cap cut off by a lower plane positioned to exclude reflected rays that are occluded by the microfacet surface; obtaining one or more contributions corresponding to the one or more samples; determining a color for the pixel based on the one or more contribution...