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Maniphest T92634

Cycles noise has problems with large scales.
Closed, ResolvedPublicBUG
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Description

System Information
Operating system: Windows 10
Graphics card: RTX 3090 with optix and 1060 with cuda

Blender Version
Broken: Master 2.93.5
Worked: -

Short description of error
noise pattern has a limit with huge scale

exact step to reproduce

  • Open attached file
  • Render preview

BUG_NOISE.blend2 MBDownload

Revisions and Commits

rC Cycles
rC527992c4251e Fix T77681, T92634: noise texture artifacts with high detail
rB Blender
rB48e2a15160d2 Fix T77681, T92634: noise texture artifacts with high detail

Related Objects

Event Timeline

Mehdi Meghzel (DiMeh) created this task.Oct 30 2021, 4:27 AM
Mehdi Meghzel (DiMeh) edited subscribers, added: Romain Toumi (ToumiX); removed: Mehdi Meghzel (DiMeh).
Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.EditedNov 1 2021, 10:42 PM
Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".
Germano Cavalcante (mano-wii) added a project: Render & Cycles.
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

Thanks for the report. I can confirm.
The problem is only visible in Cycles. Eevee noise works ok.

Germano Cavalcante (mano-wii) renamed this task from Bug Noise to Cycles noise has problems with large scales..Nov 1 2021, 10:43 PM
Germano Cavalcante (mano-wii) updated the task description. (Show Details)
Romain Toumi (ToumiX) added a comment.Nov 2 2021, 2:16 PM

Worked on 2.82 without Roughness option (equivalent to 0.5 )

Broken from 2.83 with Roughness option from 0.7, and higher than 15 for Noise Detail to see the problem :
Apparently works correctly below these values

silex (silex) added a subscriber: silex (silex).EditedNov 2 2021, 2:38 PM

This looks similar to the issue with Musgrave Texture T77681

Brecht Van Lommel (brecht) closed this task as Resolved by committing rB48e2a15160d2: Fix T77681, T92634: noise texture artifacts with high detail.Nov 2 2021, 7:33 PM
Brecht Van Lommel (brecht) claimed this task.
Brecht Van Lommel (brecht) added a commit: rB48e2a15160d2: Fix T77681, T92634: noise texture artifacts with high detail.
Brecht Van Lommel (brecht) added a commit: rC527992c4251e: Fix T77681, T92634: noise texture artifacts with high detail.Jan 27 2022, 11:31 PM