Broken vertex paint undo on high-poly objects #77456

New Issue

Julien Kaspar · 2020-06-05T17:29:11+02:00

Julien Kaspar commented

2020-06-05 17:29:11 +02:00

System Information
Operating system: Linux-5.3.0-55-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: Quadro GP100/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.59

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-05 13:15, hash: blender/blender@0ee98c654e

Short description of error
I encounter the issue while trying to sculpt a head sculpt with ~1 million faces .
The more dense an object is the more likely it is that when undoing paint strokes in vertex paint mode, that it will just not undo them.
It will ignore Ctrl + Z until it eventually undoes everything at once or additionally exits vertex paint mode.

Exact steps for others to reproduce the error

Add a UV sphere
Subdivide the object 5 times.
Enter vertex paint mode and paint a few strokes
Then try undo for the paint strokes

**System Information** Operating system: Linux-5.3.0-55-generic-x86_64-with-debian-buster-sid 64 Bits Graphics card: Quadro GP100/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.59 **Blender Version** Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-05 13:15, hash: `blender/blender@0ee98c654e` **Short description of error** I encounter the issue while trying to sculpt a head sculpt with ~1 million faces . The more dense an object is the more likely it is that when undoing paint strokes in vertex paint mode, that it will just not undo them. It will ignore Ctrl + Z until it eventually undoes everything at once or additionally exits vertex paint mode. **Exact steps for others to reproduce the error** - Add a UV sphere - Subdivide the object 5 times. - Enter vertex paint mode and paint a few strokes - Then try undo for the paint strokes

Julien Kaspar commented

2020-06-05 17:29:11 +02:00

Added subscriber: @JulienKaspar

Bastien Montagne was assigned by Julien Kaspar

2020-06-05 17:29:54 +02:00

Bastien Montagne commented

2020-06-05 18:03:47 +02:00

Confirmed, this is related to new undo in general, not only recent commits in master (i.e. likely also affecting 2.83...). Only workaround for now is to disable new undo in user preferences.