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Maniphest T80903

Texturing with anchored type stroke
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Description

System Information
Operating system: Linux-5.4.0-47-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 450.51.06

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-16 21:05, hash: rB27660b3cd90d
Worked: (newest version of Blender that worked as expected)

Short description of error
Texture paint with stroke set to anchored while using texture significantly slows down blender up to non responsive state and crash while paint texture is larger than 2k.

Exact steps for others to reproduce the error

Texture pain stroke ty[e anchored.blend856 KBDownload

Related Objects

Event Timeline

Grzegorz Giza (witaj) created this task.Sep 17 2020, 9:04 PM
Campbell Barton (campbellbarton) added a subscriber: Campbell Barton (campbellbarton).Sep 18 2020, 7:17 AM

This report is missing:

  • Last version that worked.
Campbell Barton (campbellbarton) changed the task status from Needs Triage to Needs Information from User.Sep 18 2020, 7:17 AM
Grzegorz Giza (witaj) added a comment.Sep 18 2020, 10:19 AM

I have just tested it with blender
2.79 -5bd8ac9abfa
2.79b - f4dc9f9d68b
2.80 - I could not find a hash
2.80 rc3
2.83.6
2.90 - 0330d1af29c0
and all above seems to suffer same way however I haven't been able to crash 2.79 and 2.79b.
Also it seems to work a bit smoother when cycles is selected as a render engine, even though viewport display is set to solid texture.

Philipp Oeser (lichtwerk) changed the task status from Needs Information from User to Needs Information from Developers.Oct 12 2020, 12:22 PM
Philipp Oeser (lichtwerk) added a project: Sculpt, Paint & Texture.
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

I can confirm it is really slow (but not only with ancored - other stroke types as well)

Since this is happening in all blender version, this might be a limitation of the current texture paint system, but will the corresponding module team decide.