US 11,928,768 B2
Ordering of patch selection in tessellation operations
Peter Malcolm Lacey, Buckinghamshire (GB)
Assigned to Imagination Technologies Limited, Kings Langley (GB)
Filed by Imagination Technologies Limited, Kings Langley (GB)
Filed on Aug. 5, 2022, as Appl. No. 17/881,757.
Application 17/881,757 is a continuation of application No. 17/138,415, filed on Dec. 30, 2020, granted, now 11,468,622.
Application 17/138,415 is a continuation of application No. 16/376,779, filed on Apr. 5, 2019, granted, now 10,909,742, issued on Feb. 2, 2021.
Claims priority of application No. 1805698 (GB), filed on Apr. 5, 2018.
Prior Publication US 2022/0392139 A1, Dec. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G06T 15/00 (2011.01); G06T 17/20 (2006.01)
CPC G06T 15/005 (2013.01) [G06T 17/20 (2013.01); G06T 17/205 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of performing tessellation in a computer graphics system, the method comprising:
in response to determining that an initial patch is to be sub-divided, dividing the initial patch into two or more sub-patches; and
selecting and tessellating each sub-patch until there is no further sub-division of that sub-patch, wherein sub-patches are selected for tessellation in an order encoded by one or more stored values.