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:
Nov. 16, 2021
Filed:
Oct. 06, 2020
Qualcomm Incorporated, San Diego, CA (US);
Srihari Babu Alla, San Diego, CA (US);
Adimulam Ramesh Babu, San Diego, CA (US);
Jonnala Gadda Nagendra Kumar, San Diego, CA (US);
Avinash Seetharamaiah, San Diego, CA (US);
Tao Wang, Sunnyvale, CA (US);
Xuefeng Tang, San Diego, CA (US);
Thomas Edwin Frisinger, Shrewsbury, MA (US);
Andrew Evan Gruber, Arlington, MA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
The present disclosure relates to methods and apparatus for graphics processing. An example method generally includes receiving, at a graphics processing unit (GPU), a plurality of commands corresponding to a plurality of draws across a frame, each of the plurality of commands indicating a depth test direction with respect to a low-resolution depth (LRZ) buffer for the corresponding draw. The method generally includes maintaining, at the GPU, a LRZ status buffer to store a corresponding depth test direction for a first command in time of the plurality of commands processed by the GPU. The method generally includes disabling, at the GPU, use of the LRZ buffer for depth testing for any of the plurality of commands remaining unprocessed after processing a command of the plurality of commands having a different depth test direction than the corresponding depth test direction stored in the LRZ status buffer.