Bug 232367

Summary:	REGRESSION(Safari 15, BigSur/Catalina): Rendering error on certain hardware using ANGLE OpenGL (gltf corrupted geometry)
Product:	WebKit	Reporter:	Kimmo Kinnunen <kkinnunen>
Component:	WebGL	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	dino, kbr, kkinnunen, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Local Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	220896
Bug Blocks:

Description Kimmo Kinnunen 2021-10-27 00:22:30 PDT

REGRESSION(Safari 15): Rendering error on certain hardware using ANGLE OpenGL (gltf corrupted geometry)

https://github.com/mrdoob/three.js/issues/22628

> To reproduce (on a machine with a Radeon Pro 555) follow these steps:
> - Download this geometry: https://github.com/HSF/phoenix/blob/master/packages/phoenix-ng/projects/phoenix-app/src/assets/geometry/ATLAS/Barrel-Toroid.gltf
> - Go to this viewer https://gltf-viewer.donmccurdy.com 

Reported to fail on:
> Device: MacBook Pro (15-inch, 2017), Radeon Pro 555 2 GB
> OS: Macos 11.6

Confirmed to fail on:
Fails on trunk MacBookPro16,1 (Intel UHD Graphics 630,AMD Radeon Pro 5500M) 8 GB *while rendering with intel* macOS 12  ANGLE OpenGL

Works on ANGLE Metal

Comment 1 Kimmo Kinnunen 2021-10-27 00:23:24 PDT

<rdar://83971190>

Comment 2 Kimmo Kinnunen 2022-01-10 10:42:54 PST

This should be fixed once bug 220896 is shipped to BigSur/Catalina