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Fixed in 14.0.1

Fixed in 13.1.8, 14.0.0

Votes

6

Found in [Package]

10.4.0

Issue ID

1375791

Regression

Yes

[Mobile] [URP] Banding like artifacts are visible when smooth material is lit by light

Package: Scriptable Render Pipeline Universal

-

How to reproduce:
1. Open the attached project ("BugiOSProbuilder2021.zip")
2. Switch Build Platform to Android if necessary
3. Build And Run on a device
4. Observe the oscillating reflection of the light

Expected result: Reflection of the light does not contain banding like artifacts
Actual result: Reflection of the light does contain banding like artifacts

Reproducible with: 10.4.0 (2020.3.0f1), 10.7.0 (2020.3.22f1), 11.0.0 (2021.1.28f1), 12.1.0 (2021.2.1f1), 13.1.0 (2022.1.0a13)
Not reproducible with: 7.7.1 (2019.4.32f1)

Reproducible on:
iPhone 13 mini (iOS 15)
VLNQA00078, Motorola Nexus 6 (Nexus 6), Android 7.1.1, CPU: Snapdragon 805 APQ8084AB, GPU: Adreno (TM) 420

Not reproducible on:
iPhone 8 Plus (iOS 14.4.2)
iPad 6th generation (iOS 14.4.2)
Huawei - (ELS-NX9), Android 10, CPU: NOT FOUND, GPU: Mali-G76
VLNQA00264, Samsung Galaxy S10+ (SM-G975F), Android 10, CPU: NOT FOUND, GPU: Mali-G76

Note:
- Increasing smoothness makes the issue more apparent
- Not specific to ProBuilder meshes, reproducible with regular 3D Objects as well
- Not reproducible with BiRP
- Reproducible with directional, spot, and point lights

  1. Resolution Note (fix version 14.0.1):

    Fixed in: URP 14.0.1 (2022.2.0a8)

  2. Resolution Note (fix version 14.0.0):

    Fixed in: URP 12.1.7 (2021.3.4f1)

  3. Resolution Note (fix version 13.1.8):

    Fixed in: URP 13.1.8 (2022.1.3f1)

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Comments (2)

  1. RendergonPolygons

    Jul 12, 2022 17:10

    Hi, this was solved for iOS 15.3.1 (tested on iphone 6) but the problem persists for iOS 15.5.

  2. RendergonPolygons

    Nov 10, 2021 07:49

    The bug shows for any device with iOS15.x we tested, so this probably affects every user that upgrades iOS. Tested on iphone 12 Pro Max, mini ipad 4, iphone 6.

    Please vote to fix, getting artifacts when we render materials with over 0.5 smoothness on Mobile iOS games imapcts negatively a lot of gameplay.

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