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"Save Buffers" doesn't allow saving the volume passes
Open, ConfirmedPublic

Description

System Information
Windows 10

Blender Version
Broken: 2.79 aa844ad676d (2018-09-12)

The volume passes can sometimes not be saved when "Save Buffers" is enabled.

Exact steps for others to reproduce the error
Open the provided blend file and render it. This should create four OpenEXR files due to how it is set up in the node editor. All files are created, except for the volume passes.
If you disable "Save Buffers", the volume files are stored too.

IMPORTANT
I tried to reproduce this from scratch, but was not able to do so! I took a file where the issue occurred and removed all the assets from it.

Details

Type
Bug

Event Timeline

Bastien Montagne (mont29) triaged this task as Confirmed priority.Sep 17 2018, 10:42 AM

It’s not saved because there is no data at all (as can be checked with a viewer node), for both volume passes, when Save Buffer is enabled. @Brecht Van Lommel (brecht), guess that one is for you?