Color banding present in Workbench render but not in viewport. #59943
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Reference: blender/blender#59943
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System Information
Operating system:
Ubuntu 18.10
Graphics card:
nVidia GTX 1080Ti
Computer 2:
Operating System:
Arch Linux
Graphics card:
nVidia GeForce 940MX
This issue is present on both computers.
Blender Version
Broken:
v2.80
7c438e5366(latest as of December 28, 2018)Short description of error
Banding (color depth clipping?) present in Workbench render but not in viewport.
Viewport screenshot:
Render:
Render screenshot:
Exact steps for others to reproduce the error
ColorBandingWorkbenchReproduction1.blend
There is clear banding in the render result but not in the viewport.
Added subscriber: @forestkatsch
Just want to add that Viewport Render (3D View -> View -> Viewport Render) does not exhibit the same banding.
Added subscriber: @ixd
Can confirm (Win 10, Blender
a4e4d9f0ab).Consider the following scene:
Dither option don't have any effect for Workbench Render but does help in Viewport Render. It looks like the underlying buffer in WB render is 8-bit.
Workbench render. Exported 32-bit .exr shows banding too.
Viewport render:
Similar setup in Cycles@5000 samples for comparison:
This issue was referenced by
99fe774298Changed status from 'Open' to: 'Resolved'