denoising artifacts with normal mapping in diffuse #53567
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Reference: blender/blender#53567
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System Information
win8.1 - Nvidia geforce 940m - intelgraphics5500
Blender Version
Broken: 2.79
5bd8ac9
Worked: (optional)
Short description of error
denoising creates artifacts when I put directly node mapping\normal in diffuse
Exact steps for others to reproduce the error
this is the file
random1.blend
play render whit denoising actived -> render with error
play render without denoising -> render ok
play render whit denoising actived and node "hue saturation value" between mapping and diffuse -> render ok
Added subscriber: @FrancescoArena
Added subscriber: @ja12
Quite sure the denoising artifacts are from negative values, same as using musgrave texture as diffuse color
https://blenderartists.org/forum/showthread.php?441890-Strange-artifacts-with-Musgrave-texture
I can't test with GPU but when rendering with CPU, I'm not getting as severe artifacts as shown here
https://blenderartists.org/forum/showthread.php?442472-Denoising-artifacts-with-random-colors&p=3267329&viewfull=1#post3267329
mine:
If it is with the same settings.
Figured out the difference. I was using an old development build from 18.8. which gave different result with denoising. Removing negative values before rendering fixes denoising in all of them
Ubuntu 14.04 64bit, gnome 3 fallback, nvidia graphics. Rendered with cpu, 32x32 tile size.
Blender 2.79 release
5bd8ac9abf
Blender 2.79 build from 18.8.
7b397cdfc8
Blender 2.79.1 latest build
bb30ce0f0b
This issue was referenced by blender/cycles@8d380a224c
This issue was referenced by
bf1dc39679
Changed status from 'Open' to: 'Resolved'