Cycles: Denoising generates artifact(s) #52699
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Reference: blender/blender#52699
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System Information
Linux Ubuntu 16.04
Nvidia GeForce GTX 970
Blender Version
Broken: 2.79-RC2
Worked: not available (denoising is new)
Short description of error
When using denoising feature an artifact is generated. The object is a simple glass body. The denoising parameters are on defaults.
The scene gets rendered correctly without denoising (see images)
Exact steps for others to reproduce the error
Based on an attached .blend file with minimum amount of steps
glassCheck.blend
Changed status to: 'Open'
Added subscriber: @JurgAltwegg
Added subscriber: @SteffenD
Added subscriber: @akej74
I could reproduce this on 2.79 RC2, but it works OK (no artifact with denoise on) using Blender 2.79.1 hash
11a9434(Sun Sep 10 03:08:03 2017) from "Download Latest Builds".Added subscribers: @LukasStockner, @mont29
@LukasStockner I guess you'll know whether this was already fixed or not? If yes, can you please also check commit is in 2.79 branch? Thanks
Added subscriber: @YAFU
Hi.
Maybe new Russian Roulette method helped here?
Just to mention just in case. If you increase Lamp size (1 for example), some weird things still happen in this scene using resent blender from buildbot:
glassCheck_mod.blend
Added subscriber: @AnadinX
Hi I was going to add a new bug but I suspect mine is similar - let me know if not and will create a new one
This is with 2.79 Nighty 2018-04-28, hash:
60f4cb24daI am on a MacBook Pro with Compute enabled on cpu and Radeon (if I enable the intel HD a service seems to crash in the background)
Simple scene with a cube and two lamps
DenoiserGlitch.blend
Denoiser Off
Denoiser On
Denoiser On with Diffuse Direct turned off (which is the same obv.)
All other settings are default as far as I know.
Added subscriber: @brecht
Changed status from 'Confirmed' to: 'Resolved'
Appears to be resolved now.