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Undo in sculpt mode randomly deletes face sets when Dyntopo is enabled #115399

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opened 2023-11-25 11:05:27 +01:00 by Nika Kutsniashvili · 2 comments
Nika Kutsniashvili commented 2023-11-25 11:05:27 +01:00
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System Information
Operating system: Windows-10-10.0.19043-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 537.42

Blender Version
Broken: version: 4.1.0 Alpha, branch: main, commit date: 2023-11-24 22:55, hash: 42ddc13033c2
Worked: (newest version of Blender that worked as expected)

Short description of error
When you enable Dyntopo is sculpt mode for mesh that has face sets, sometimes when you undo your strokes face sets get deleted in chunks, or rather turn into white face sets.

Exact steps for others to reproduce the error

  1. Draw face sets on mesh
  2. Enable dyntopo
  3. Sculpt with regular additive brushes
  4. Try undoing strokes couple of times
**System Information** Operating system: Windows-10-10.0.19043-SP0 64 Bits Graphics card: NVIDIA GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 537.42 **Blender Version** Broken: version: 4.1.0 Alpha, branch: main, commit date: 2023-11-24 22:55, hash: `42ddc13033c2` Worked: (newest version of Blender that worked as expected) **Short description of error** When you enable Dyntopo is sculpt mode for mesh that has face sets, sometimes when you undo your strokes face sets get deleted in chunks, or rather turn into white face sets. <video src="https://i.imgur.com/fdGJ2ML.mp4" controls></video> **Exact steps for others to reproduce the error** 1. Draw face sets on mesh 2. Enable dyntopo 3. Sculpt with regular additive brushes 4. Try undoing strokes couple of times
Nika Kutsniashvili added the
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 labels 2023-11-25 11:05:27 +01:00
Iliya Katushenock added the
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Sculpt, Paint & Texture
 label 2023-11-25 11:07:03 +01:00
Germano Cavalcante commented 2023-11-28 03:05:12 +01:00
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Thank you for reporting this issue, @Nika-Kutsniashvili. I can confirm and I'm experiencing an assert error in the Debug build while looking into the reported problem.

BLI_assert failed: D:\BlenderDev\blender\source\blender\bmesh\intern\bmesh_log.cc:930, BM_log_original_vert_co(), at 'BLI_ghash_haskey(entry->modified_verts, key)'

Will forward this to our developers for further investigation.

Thank you for reporting this issue, @Nika-Kutsniashvili. I can confirm and I'm experiencing an assert error in the Debug build while looking into the reported problem. ``` BLI_assert failed: D:\BlenderDev\blender\source\blender\bmesh\intern\bmesh_log.cc:930, BM_log_original_vert_co(), at 'BLI_ghash_haskey(entry->modified_verts, key)' ``` Will forward this to our developers for further investigation.
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Julien Kaspar commented 2023-12-12 14:47:32 +01:00
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This is something @Sergey and @HooglyBoogly were still planning to work on next.

This is something @Sergey and @HooglyBoogly were still planning to work on next.
Julien Kaspar added
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 labels 2023-12-12 14:47:40 +01:00
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