Description

With Forward Shading, MSAA and Accurate Velocities from Vertex Deformation enabled  the viewport breaks. If any of these settings are different, the viewport is fine again.

Found in 4.23 CL# 8386587 and 4.24 CL# 8569829

Steps to Reproduce
  1. Open the Editor
  2. Enable Forward Shading
  3. Set Anti-aliasing to MSAA
  4. Enable Accurate Velocities from Vertex Deformation
  5. Restart the editor

Steps with attached project:

  1. Open attached project
  2. Move around in the viewport

Results:
The viewport renders like the attached image

Expected:
The viewport would be normal

Have Comments or More Details?

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Non-Issue
ComponentUE - Graphics Features
Affects Versions4.234.24
Target Fix5.0-early access
CreatedSep 13, 2019
ResolvedFeb 9, 2021
UpdatedSep 19, 2021
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