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:
Jun. 30, 2026
Filed:
Mar. 25, 2023
Imagination Technologies Limited, Kings Langley, GB;
Joseph John Davison, Hertfordshire, GB;
Imagination Technologies Limited, Kings Langley, GB;
Abstract
A method performed by a graphics processor obtains a starting bounding volume hierarchy (BVH), being a data structure comprising nodes representing different 3D regions of space in a modelled environment, the data structure comprising a tree in which the nodes are arranged hierarchically from a root node down to a plurality of leaf nodes, wherein the region modelled by each leaf node encompasses at least one primitive or part of a primitive. The method further comprises performing one or more iterations, starting with a first iteration which starts with the starting BVH as a current BVH, which search for candidate reinsertions to move input nodes to new parents in the tree to reduce expected computational cost.
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