Unreal Engine Issues

UE-79426

Dithered LOD Transition does not work on some mobile devices

Dithered LOD Transition does not work on some mobile devices

UDN
Description

I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro.
This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3.

Licensee reports will occurs the issue on the following devices:

  • Samsung Galaxy Feel 2 (Exynos7885、Mali-G71、Android8.1.0)
  • Huawei MediaPad M 5 (Kirin 960、Mali-G71 Android 9)
  • Huawei Mate 10 Pro (Kirin 970、Mali-G72、Android 9)
Steps to Reproduce

1. Launch the attached project on Android
[Link Removed]
2. In the case of Snapdragon devices, Dithered LOD Transition of Translucency material works, but it does not work in some other mobile devices.

When Dithered LOD Transition is working
[Image Removed]

When Dithered LOD Transition is not working
[Image Removed]

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Fixed
ComponentUE - Platform - Mobile
Affects Versions4.22
Target Fix4.25
Fix Commit11574661
Main Commit11577233
Release Commit11574661
CreatedAug 27, 2019
ResolvedFeb 21, 2020
UpdatedJul 30, 2020
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