Expectation: It's known it has different lighting interpolations method and quality for VLM on PCvsMobile; but Indirect lighting from VLM should provide similar lighting Direction on PC&Mobile.

Steps to Reproduce

Create an environment like the GIF image shows below(one ground, two static point light with different color, one movable sphere in middle)

Build lighting and look at the Indirect lighting provided by VLM

On PC preview, it looks correct that red from right and green from left; Switch to Mobile Preview the lighting direct is complete off, it looks like right 90 degrees off

The GIF shows how the middle movable sphere mesh look like while switch between SM5 and ES3.1


[Image Removed]

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ComponentUE - Graphics Features - Lumen
Affects Versions4.24
Target Fix4.27
CreatedMay 18, 2020
ResolvedJan 26, 2021
UpdatedSep 19, 2021