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Maniphest T53014

Cycles material preview no light
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Description

Blender Version
Broken: 9ad2c0b6154
Worked: 9ad2c0b6154^

Short description of error
Material preview is black unless you use emission materials.

Exact steps for others to reproduce the error
Create a material with Cycles and look at the material preview tab.

cycles-preview.blend74 KBDownload

Revisions and Commits

rB Blender
rBfdeb125c7a8c Fix T53014: Cycles material preview not working

Related Objects

Event Timeline

Dalai Felinto (dfelinto) claimed this task.Oct 6 2017, 7:25 PM
Dalai Felinto (dfelinto) lowered the priority of this task from 90 to 50.
Dalai Felinto (dfelinto) created this task.
Dalai Felinto (dfelinto) mentioned this in rB8a1d787b8982: Initial fix for T53014: Cycles material preview no light.Oct 6 2017, 11:56 PM
Dalai Felinto (dfelinto) added a subscriber: Sergey Sharybin (sergey).Oct 7 2017, 12:02 AM

Note to self (or @Sergey Sharybin (sergey) if he feels like):
Take a look at render_preview.c::preview_prepare_scene and see if depsgraph is flushing the visibility / disability properly.

Also: If I take the preview_cycles.blend file and change so that only one collection is enabled this collection preview type works. That's why I think the depsgraph is not being properly updated after set_preview_layer().

Dalai Felinto (dfelinto) changed the task status from Unknown Status to Resolved by committing rBfdeb125c7a8c: Fix T53014: Cycles material preview not working.Oct 9 2017, 4:44 PM
Dalai Felinto (dfelinto) added a commit: rBfdeb125c7a8c: Fix T53014: Cycles material preview not working.