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EEVEE: Scattering pass is also outputted as Transmittance Volume Renderpass
Closed, ResolvedPublicBUG


System Information
Operating system: Linux-5.4.0-48-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: GeForce RTX 3080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 455.23.04

Blender Version
Broken: version: 2.83.*; 2.91.0 Alpha, branch: master, commit date: 2020-09-28 12:56, hash: rBc6b904e97222
Worked: No official release.

Short description of error
When rendering a transmittance volume render pass the result is the same as the scattering pass.

Exact steps for others to reproduce the error

  1. Start Blender
  2. Add an volumetric object + material
  3. Enable the Volumetric render passes.
  4. Look at the differences.

Event Timeline

Jeroen Bakker (jbakker) changed the task status from Needs Triage to Confirmed.Sep 28 2020, 4:28 PM
Jeroen Bakker (jbakker) claimed this task.
Jeroen Bakker (jbakker) created this task.
Jeroen Bakker (jbakker) changed the subtype of this task from "Report" to "Bug".

Oh, I just assumed this was just a current limitation that would be handled in D7010: EEVEE: Arbitrary Output Variables or I would have reported it earlier. My mistake.

@Evan Wilson (EAW): well it was implemented in 2.83.0 it is also in the demo video of 2.83. But we might have un-fixed it :-)