OIT Example: Replace DefaultMaterial with PrincipledMaterial


Extends 9e3219d89e396659d7cc942b9d4ce7df5847d3c5 -- DefaultMaterial has
been deprecated since Qt 6.4

Task-number: QTBUG-151399
Pick-to: 6.12
Change-Id: I8ca921ffc172a39da47c1fc45c23d103c84a8b8a
Reviewed-by: Antti Määttä <antti.maatta@qt.io>
commit4a96304d094d3567aaaeca16a5c8d91fb422712e
parentfb474be3fe102eb21021c26bfec67d71b380afa3
authorSze Howe Koh <szehowe.koh@gmail.com>
committerSze Howe Koh <szehowe.koh@gmail.com>
commit timeTue, 20 Oct 2026 08:41:03 +0000