Description

Ray traced Ambient Occlusion is still active even when Ambient Occlusion Intensity is set to 0 in the Post Process Volume.

Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8124506

Steps to Reproduce
  1. Open the Editor in DX12.
  2. Enable Ray Tracing and restart the Editor.
  3. Place meshes into the scene so that ray traced ambient occlusion visible.
  4. Place a Post Process Volume into the scene and set "Ambient Occlusion Intensity" to 0
  5. Use "Stat GPU" in the console

Results:
RT AO is still taking up resources despite the intensity betting set to 0

Expected:
RT AO wouldn't be using resources

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Fixed
ComponentRendering - Ray Tracing
Affects Versions4.224.234.24
Target Fix4.24
Fix Commit8498959
Release Commit9552237
CreatedAug 22, 2019
ResolvedSep 4, 2019
UpdatedOct 28, 2019