Description

When replacing the Tonemap using a Post Process material, the Post Process Volume's Bloom Intensity can only be turned on or off, without varying degrees of effect.

Reported in version 4.25.3(CL 13942748). Tested in versions 4.25.3 and 4.24.3(CL 11590370) with same result.

Steps to Reproduce
  1. Create a PostProcess material replacing the Tonemapper given the guide on your Wiki under the "Replacing the Tonemapper" heading: https://docs.unrealengine.com/en-US/Engine/Rendering/PostProcessEffects/PostProcessMaterials/index.html
  2. Add to Post Process material as an Array Element 

Results: The tonemapper will work, except Bloom Intensity no longer works.

Expected: You can set Bloom Intensity to 0 and it will turn off, but setting it to any other number will turn it on, but you'll have no control over the intensity.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-100344 in the post.

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By Design
ComponentUE - Graphics Features
Affects Versions4.24.34.25.3
Target Fix4.26
CreatedSep 25, 2020
ResolvedOct 6, 2020
UpdatedSep 19, 2021
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