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"Bake Cubemap Only" resets Irradiance Volume in reopened scenes
Open, Confirmed, MediumPublic


System Information
Operating system: Windows-10-10.0.16299 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86

Blender Version
Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-11 21:31, hash: rB1e375ab5a104

Short description of error
"Bake Cubemap Only" button should only re-bake reflection cubemaps, but it completely deletes Irradiance Volume bake.

Exact steps for others to reproduce the error

  • Open attached file:

  • Switch to rendered mode. You should see that both irradiance volume and cubemap reflection are baked:

  • Press "Bake Cubemap Only" in Render Properties > Indirect Lighting.
  • Notice that "Irradiance Volume" probes turned to black.

That happens only when you reopen a .blend file with light already baked. When you Bake Indirect Lighting again, then "Bake Cubemap Only" works as expected and does not reset Irradiance.



Event Timeline

Marcin Twarowski (Tvaroog) renamed this task from "Bake Cubemap Only" resets Irradiance Volume to "Bake Cubemap Only" resets Irradiance Volume in reopened scenes.Sep 13 2019, 2:39 PM
Marcin Twarowski (Tvaroog) updated the task description. (Show Details)
Germano Cavalcante (mano-wii) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.

It may be that some information is not passed when reading the file.