I ran some more tests in a very simple test scene for 5.4, 5.5 and 5.6: Blank project template with a few cubes and a spotlight, SM6 only for DX12; see also attached
TSR Test.zip (250.7 KB)
Hardware: Meta Quest Pro with Quest Link, Nvidia RTX 5000 Ada with driver 573.42
My findings in 5.6.0:
- The jittery/smearing effect is immediately noticable with TSR. It almost looks like AA is not working at all. TAA seems to work as expected in this scene.
- Turning Lumen on or off does not make any difference.
- TSR seems to accumulate correctly when standing still.
My findings in 5.4.4 and 5.5.4
5.4.4 and 5.5.4 look the same and are fine unless you set these two Cvars in DefaultEngine.ini:
- r.DefaultFeature.Bloom=False
- vr.RoundRobinOcclusion=True
The corners of my cubes got very jittery but it is a different effect from the one in 5.6.
However, I have other 5.5.4 projects where the error does not occur with these Cvars enabled. So it seems to be a possible cause but not the only one.