Unreal Engine Issues

UE-53215

Subsurface materials display dark lines in the middle of the viewport

Subsurface materials display dark lines in the middle of the viewport

Description

AMD gpus are displaying an issue with subsurface materials. Dark lines appear on the material that run through the middle of the viewport, (See screenshot attached). This was seen on AMD drivers 17.11.1 on an R9 390. Issue not seen on Nvidia machines.

Steps to Reproduce
  1. Open QAGame in the editor
  2. Open the TM_ShowFlags_LightingFeatures map
  3. navigate to example 1.6 Subsurface Scattering
  4. Move the camera around while looking at the example

Result:
Observe that dark lines are displayed on the material

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Won't Fix
ComponentUE - Graphics Features
Affects Versions4.19
CreatedDec 8, 2017
ResolvedAug 18, 2021
UpdatedAug 18, 2021
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