Invention Grant
- Patent Title: Optimizing primitive shaders
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Application No.: US16221916Application Date: 2018-12-17
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Publication No.: US11715262B2Publication Date: 2023-08-01
- Inventor: Brian J. Favela , Todd Martin , Mangesh P. Nijasure
- Applicant: ADVANCED MICRO DEVICES, INC.
- Applicant Address: US CA Santa Clara
- Assignee: Advanced Micro Devices, Inc.
- Current Assignee: Advanced Micro Devices, Inc.
- Current Assignee Address: US CA Santa Clara
- Main IPC: G06T17/10
- IPC: G06T17/10 ; G06T1/20 ; G06F9/38 ; G06T15/00

Abstract:
A method of deferred vertex attribute shading includes computing, at a graphics processing pipeline of a graphics processing unit (GPU), a plurality of vertex attributes for vertices of each primitive of a set of primitives. The plurality of vertex attributes to be computed includes a vertex position attribute and at least a first non-position attribute for each primitive. One or more primitives of the set of primitives that do not contribute to a rendered image are discarded based upon the vertex position attribute for vertices of the set of primitives. A set of surviving primitives is generated based on the culling and deferred attribute shading is performed for at least a second non-position attribute for vertices of the set of surviving primitives.
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