The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2014
Filed:
Jun. 05, 2009
Andrew Helge Cox, London, GB;
Robert Elliot, Cambridge, GB;
Robin Fell, St. Ives, GB;
Sean Ellis, Surrey, GB;
Andrew Helge Cox, London, GB;
Robert Elliot, Cambridge, GB;
Robin Fell, St. Ives, GB;
Sean Ellis, Surrey, GB;
ARM Limited, Cambridge, GB;
Abstract
In a graphics processing system, a command list reader first reads-in and identifies a portion of a command list. The primitives corresponding to the commands in the portion of the command list are then subjected to a Z-only processing pass. This allows a Z-bufferand a hierarchical Z-pyramidto be filled with the appropriate Z-values for the primitives in the portion of the primitive list. The primitives are then subjected to a second, normal rendering, processing pass, but the filled Z-bufferand Z-pyramid from the first processing pass are used together with the Z-testsperformed in the second processing pass to determine which primitive should be processed for each sampling point in the second processing pass.