Cycles: Adaptive Sampling + OptiX Denoise causes tile-sized artefacts #83149
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Reference: blender/blender#83149
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System Information
Operating system: Linux 5.4.78-1-MANJARO
Graphics card: Nvidia GTX 1080 - Driver 455.45.01
Blender Version
Broken: 2.92.0 master
f8553de2cd(Built Today)Short description of error
F12 renders with Adaptive Sampling (at default settings) and OptiX denoise causes some tiles to turn transparent. Which tiles break is random each render.
Most noticeable bottom left.
Rendering with very large tile size:
Exact steps for others to reproduce the error
Open this example file and hit F12:
adaptive_sampling_optixdn.blend
Added subscriber: @lateasusual
Apologies but I don't have time to bisect and rebuild cuda kernels etc. to find exactly which version it's been broken
Added subscriber: @rjg
Are you using CPU+GPU rendering? Then this is a duplicate of #82351.
Changed status from 'Needs Triage' to: 'Archived'
Ah, I am using CPU+GPU, I assumed since it only happened with denoise enabled that that was the cause. Thanks!
Closed as duplicate of #82351