NVIDIAGameWorks / NVIDIAGameWorks/rtx-remix

[Runtime Bug]: Geometry flickering, NRC breaks with the 'include direct lighting' option enabled, and freezing on Minetest

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#738 opened on Mar 7, 2025 0 comments 0 reactions 0 assignees View on GitHub

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bug runtime triage

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Description

Describe the bug

Flickering artifacts appear similar to how when anticulling is enabled.

With the 'include direct lighting' option enabled in the NRC submenu, indirect lighting will break.

Game will freeze pretty commonly - This is an occurrence that i've only came across on the latest commits.

How do you reproduce the bug?

Open minetest with the latest dxvk-bridge, roam around a little, see flickering geometry.

Enable NRC with 'include direct lighting' enabled, roam around a little, see indirect lighting vanish from existence.

Eventually, after some time, the game will lock up.

What is the expected behavior?

No objects should flicker on screen.

It normally does not crash.

Version

translucentRRFix 727

Contributor guide

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First steps

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

Research direction

Start by reproducing the report in Minetest with the latest dxvk-bridge, checking geometry flicker, NRC with “include direct lighting,” and the eventual freeze. Read bridge32.log, bridge64.log, remix-dxvk.log, and the linked crash dump alongside the reproduction. Done means stable geometry, working indirect lighting with the option enabled, and no recurring lock-up.

Written by the indexing model from the issue text.

Assessment

Domain: computer-graphics, game-dev
Issue type: Bug
Difficulty: 5/5
Estimated time: Over a week
Activity status: Stale
Clarity: Needs clarification
Newbie friendliness: 20/100

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