NVIDIAGameWorks / NVIDIAGameWorks/rtx-remix

[Runtime Bug]: Ray Reconstruction ruins reflections

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Description

Describe the bug

Turning on DLSS Ray Reconstruction (doesn't matter CNN of Transformer) makes reflections worse
When RR is off: Perfect reflections
When RR is on, there are blurriness, ghosting + artifacts

Also, when RR is off, reflections on glass ("convert to translucent" material in toolkit) are nice - reflects only bright areas like sky, while turning RR On makes glass reflect more sources and surfaces which looks less realistic
and also, there is weird sharpening effect when RR is in CNN mode.

Attachments are in "Media" section

How do you reproduce the bug?

Garry's Mod RTX

https://github.com/Xenthio/garrys-mod-rtx-remixed

Mirror is on gm_construct_rtx map
(mirror room is dark by default)

What is the expected behavior?

Ray Reconstruction on other games like Cyberpunk 2077 makes reflections sharper and clear, while in Remix... It makes opposite

Version

1.1.0

Logs

No response

Crash dumps

No response

Media

Video example on a mirror:

https://youtu.be/IgZFqdroCG4


Screenshots example of glass

RR off
Image

RR on
Image


RR off
Image

RR on
Image

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue in Garry's Mod RTX using the gm_construct_rtx map and compare reflections with DLSS Ray Reconstruction enabled and disabled in CNN and Transformer modes. Review the linked video and screenshots for the reported blur, ghosting, artifacts, glass reflections, and sharpening; done means identifying and correcting the rendering behavior without degrading reflections.

Written by the indexing model from the issue text.

Assessment

Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
32/100

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