Unreal Engine Issues

UE-46817

ScreenAlignedUVs does not handle opengl space properly

ScreenAlignedUVs does not handle opengl space properly

UDN
Description

ScreenAlignedUVs does not handle OpenGL space properly. There are differences in Metal and OpenGL window coordinates, so it works correctly for iOS and not for OpenGL.

Steps to Reproduce
  1. Post process material looks like this:
    • [Link Removed]
  2. Run attached project on iOS
  3. Observe results like this:
    • [Link Removed]
  4. Run attached project on xperia (or similar device)
  5. Observe results like this:
    • [Link Removed]
  6. Google Pixel showed even worse results

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Won't Fix
ComponentUE - Graphics Features
Affects Versions4.16
Target Fix4.24
CreatedJul 5, 2017
ResolvedOct 28, 2019
UpdatedNov 27, 2019
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