公开(公告)号：US12079919B2

公开(公告)日：2024-09-03

申请号：US17489718

申请日：2021-09-29

Applicant: Advanced Micro Devices, Inc.

Inventor： David Ronald Oldcorn ,  Matthäus G. Chajdas ,  Michael A. Kern

IPC: G06T15/06 ,  G06T11/20

CPC classification number: G06T15/06 ,  G06T11/20 ,  G06T2210/12

Abstract: Described herein is a technique for performing operations for a bounding volume hierarchy. The techniques include: for a bounding box with quantized orientation, the bounding box being part of a bounding volume hierarchy, rotating a ray according to the quantized orientation to generate a rotated ray; performing an intersection test against the bounding box with the rotated ray; and according to the results of the intersection test, continuing traversal of the bounding volume hierarchy.

公开(公告)号：US20230099806A1

公开(公告)日：2023-03-30

申请号：US17489718

申请日：2021-09-29

Applicant: Advanced Micro Devices, Inc.

Inventor： David Ronald Oldcorn ,  Matthäus G. Chajdas ,  Michael A. Kern

IPC: G06T15/06 ,  G06T11/20

Abstract: Described herein is a technique for performing operations for a bounding volume hierarchy. The techniques include: for a bounding box with quantized orientation, the bounding box being part of a bounding volume hierarchy, rotating a ray according to the quantized orientation to generate a rotated ray; performing an intersection test against the bounding box with the rotated ray; and according to the results of the intersection test, continuing traversal of the bounding volume hierarchy.

公开(公告)号：US11854138B2

公开(公告)日：2023-12-26

申请号：US17384673

申请日：2021-07-23

Applicant: Advanced Micro Devices, Inc.

Inventor： Matthäus G Chajdas ,  Michael A. Kern ,  David Ronald Oldcorn

IPC: G06T15/06 ,  G06T19/20

CPC classification number: G06T15/06 ,  G06T19/20 ,  G06T2210/12 ,  G06T2210/21 ,  G06T2219/2016

Abstract: Described herein is a technique for modifying a bounding volume hierarchy. The techniques include combining preferred orientations of child nodes of a first bounding box node to generate a first preferred orientation; based on the first preferred orientation, converting one or more child nodes of the first bounding box node into one or more oriented bounding box nodes; combining preferred orientations of child nodes of a second bounding box node to generate a second preferred orientation; and based on the second preferred orientation, maintaining one or more children of the second bounding box node as non-oriented bounding box nodes.

公开(公告)号：US20230027725A1

公开(公告)日：2023-01-26

申请号：US17384673

申请日：2021-07-23

Applicant: Advanced Micro Devices, Inc.

Inventor： Matthäus G. Chajdas ,  Michael A. Kern ,  David Ronald Oldcorn

IPC: G06T15/06 ,  G06T19/20

Abstract: Described herein is a technique for modifying a bounding volume hierarchy. The techniques include combining preferred orientations of child nodes of a first bounding box node to generate a first preferred orientation; based on the first preferred orientation, converting one or more child nodes of the first bounding box node into one or more oriented bounding box nodes; combining preferred orientations of child nodes of a second bounding box node to generate a second preferred orientation; and based on the second preferred orientation, maintaining one or more children of the second bounding box node as non-oriented bounding box nodes.