playcanvas / playcanvas/engine

Unloading and reloading basis textures with normals enabled causes artifacts on older iOS devices

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#3,221 4 comments 0 reactions 1 assignee View on GitHub

@slimbuck is already working on this.

Since Jul 9, 2021.

area: graphics
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JavaScript
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Description

Repro: https://playcanvas.com/editor/scene/1173315

Click load, wait till object spawns, unload, then load again. The second load will show black artefacts.

https://user-images.githubusercontent.com/16639049/121325196-4ede1d00-c909-11eb-92da-8081c4f56062.mp4

So far this happens on:
iPhone 5S iOS 12.4.5
iPhone 7 but not on iOS 14.6

This does not happen on iPhone XS iOS 14.4

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