Description

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes.

Repro Rate: 3/3

Tested this in //UE4/Release-4.27 @ CL#18319896 and the preview window did get the material applied, it is a regression!

Steps to Reproduce
  1. Open a new blank BP project with Starter Content
  2. In the Content Browser, create and open a new Material
  3. Right-Click and add in a Landscape Layer Blender node
  4. In Details, add a new layer to the node
  5. Set the Preview Weight to 1.0 for the layer
  6. Connect the output of the blend node to the Base Color for the new Material
  7. Right-Click in empty space, and add in a Texture Sample node
  8. In Details, set the texture to "T_Fire_Tiled_D"
  9. Set RGB to the Layer None
  10. Apply & Save

Results: Material Preview displays a grey orb with no signs of the texture.
Expected: Material preview should be textured with the given Texture Sample due to the weight on the Landscape Layer Blend

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-149647 in the post.

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Backlogged
ComponentUE - Rendering - Materials
Affects Versions5.0
Target Fix5.1
CreatedApr 19, 2022
UpdatedJun 16, 2022