Description

In high-end mobile preview modes the exposure will return much more exaggerated results. This is related to the new default tone mapper settings since changing r.TonemapperFilm to 0 solves the issue.

Steps to Reproduce
  1. Open a blank project
  2. Change the exposure to "fixed at log +1 = Brightness 2x"
  3. Change the preview rending level to iOS Metal Preview

RESULT
The scene gets noticeably brighter

EXPECTED
The exposure remains somewhat consistent between rendering previews.

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Fixed
ComponentUE - Platform - Mobile
Affects Versions4.14.34.15
Target Fix4.15.14.16
Fix Commit3311428
Main Commit3383473
CreatedFeb 16, 2017
ResolvedFeb 20, 2017
UpdatedSep 16, 2019
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