Title:
CHECKERBOARD MASK OPTIMIZATION IN OCCLUSION CULLING
Document Type and Number:
WIPO Patent Application WO/2023/165385
Kind Code:
A1
Abstract:
Aspects presented herein relate to methods and devices for graphics processing including an apparatus, e.g., a GPU or CPU. The apparatus may obtain pixel information for a plurality of pixels in at least one frame included in a plurality of frames in a scene. The apparatus may also calculate a depth value for each of a first set of pixels. Further, the apparatus may identify whether each of the first set of pixels or a second set of pixels, or both, is occluded by at least one occluding object in the scene. The apparatus may configure a pattern mask configuration associated with a visibility mask for the plurality of pixels. The apparatus may also output, based on the pattern mask configuration, an indication of the depth value for the first set of pixels and coverage information for the first set of pixels or the second set of pixels.
Inventors:
LI YUNZHEN (US)
WANG DUO (US)
WEN YANSHAN (US)
WANG DUO (US)
WEN YANSHAN (US)
Application Number:
PCT/CN2023/077572
Publication Date:
September 07, 2023
Filing Date:
February 22, 2023
Export Citation:
Assignee:
QUALCOMM INC (US)
LI YUNZHEN (CN)
WANG DUO (CN)
WEN YANSHAN (CN)
LI YUNZHEN (CN)
WANG DUO (CN)
WEN YANSHAN (CN)
International Classes:
G06T15/40; A63F7/00
Foreign References:
| US20060209065A1 | 2006-09-21 | |||
| CN103914802A | 2014-07-09 | |||
| CN111899293A | 2020-11-06 | |||
| US20040212614A1 | 2004-10-28 | |||
| US20200074717A1 | 2020-03-05 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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