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公开(公告)号：US20210407175A1
公开(公告)日：2021-12-30
申请号：US17008462
申请日：2020-08-31
Applicant: Advanced Micro Devices, Inc.
Inventor： Skyler Jonathon Saleh , Sagar S. Bhandare , Fataneh F. Ghodrat , Paul Raymond Vella
Abstract: A technique for performing ray tracing operations is provided. The technique includes reading descendant-shared type metadata for a non-leaf node of a bounding volume hierarchy; identifying one or more culling types for a ray-intersection test for a ray; and determining whether to treat the non-leaf node as not intersected based on whether the one or more culling types includes at least one type specified by the descendant-shared type metadata.
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公开(公告)号：US11238640B2
公开(公告)日：2022-02-01
申请号：US17008462
申请日：2020-08-31
Applicant: Advanced Micro Devices, Inc.
Inventor： Skyler Jonathon Saleh , Sagar S. Bhandare , Fataneh F. Ghodrat , Paul Raymond Vella
Abstract: A technique for performing ray tracing operations is provided. The technique includes reading descendant-shared type metadata for a non-leaf node of a bounding volume hierarchy; identifying one or more culling types for a ray-intersection test for a ray; and determining whether to treat the non-leaf node as not intersected based on whether the one or more culling types includes at least one type specified by the descendant-shared type metadata.
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