Cycles material preview no light #53014

New Issue

Dalai Felinto · 2017-10-06T19:25:41+02:00

Dalai Felinto commented

2017-10-06 19:25:41 +02:00

Blender Version
Broken: 9ad2c0b615
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.blend

**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.blend](https://archive.blender.org/developer/F973753/cycles-preview.blend)

Dalai Felinto commented

2017-10-06 19:25:41 +02:00

Changed status to: 'Open'

Dalai Felinto commented

2017-10-06 19:25:41 +02:00

Added subscriber: @dfelinto

Dalai Felinto self-assigned this 2017-10-06 19:25:54 +02:00

Dalai Felinto commented

2017-10-07 00:02:06 +02:00

Added subscriber: @Sergey

Dalai Felinto commented

2017-10-07 00:02:06 +02:00

Note to self (or @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().

Note to self (or @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()`.

blender-admin commented

2017-10-09 16:41:14 +02:00

This issue was referenced by fdeb125c7a

This issue was referenced by fdeb125c7a8c9f14369182901648760edc005968

Dalai Felinto commented

2017-10-09 16:44:38 +02:00

Changed status from 'Open' to: 'Resolved'

Dalai Felinto closed this issue

2017-10-09 16:44:38 +02:00

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Cycles material preview no light #53014