Description

There is an issue with ramp-like textures where multiple corners are covered when you apply the mesh with the alpha channel on, there is a strange border that appears around the whole plane mesh that is not in the original texture. This issue does not appear to be a regression.

 

Versions tested: Issue occurs in all versions tested

4.17.2 CL - 3658906
4.18.3 CL - 3832480
4.19p3 CL - 3861363

 

The user reported that this only happens with the forward renderer with MSAA enabled.

Steps to Reproduce
  1. Create a new project (no template or starter content needed)
  2. Add the provided texture to the project
  3. Create a new texture based off the texture added
  4. Set the material attributes blend mode to masked and set the alpha channel of the texture to the opacity mask option
  5. Apply the material to a plane
    Result: there is a rendering artifact around the border of the plane
    Expected result: there are no artifacts around the border of the plane

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Won't Fix
ComponentUE - Graphics Features
Affects Versions4.174.184.19
CreatedFeb 2, 2018
ResolvedAug 18, 2021
UpdatedAug 18, 2021
View Jira Issue