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Maniphest T69580

Smooth brush freezes on highpoly mesh
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Description

System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: Radeon RX 560 Series ATI Technologies Inc. 4.5.13558 Core Profile Context 26.20.11015.5009

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Worked: 2.79

Short description of error
Smooth brush freezes on highpoly mesh

Exact steps for others to reproduce the error
Smooth brush freezes in sculpting mode when working with models from 4...8 million triangles. The lag happens at the beginning of the use of the brush for a few seconds, then the brush is working fine. In the version 2.79 brush works fine with any number of polygons.
Addition: In version 2.79, this problem is also there, but only when you first use the brush, all subsequent times there is no freezing. Probably, the more powerful the computer, the more polygons it takes for this problem to make itself felt.
[Based on the default startup or an attached .blend file (as simple as possible)]

Bug_smooth_brush_test.blend124 MBDownload

Revisions and Commits

rB Blender
D5831rBa1318d241553 Fix T69580: Smooth brush freezes on highpoly mesh

Related Objects

Event Timeline

Igor (unumex) created this task.Sep 6 2019, 9:54 AM
Igor (unumex) updated the task description. (Show Details)
Igor (unumex) renamed this task from Fix Smooth Brush to Smooth brush freezes on highpoly mesh.Sep 16 2019, 4:25 AM
Igor (unumex) updated the task description. (Show Details)
Brecht Van Lommel (brecht) lowered the priority of this task from 90 to 30.Sep 17 2019, 11:59 AM
Brecht Van Lommel (brecht) added a subscriber: Brecht Van Lommel (brecht).

We require an example .blend file that works fast in 2.79 but is slow in 2.80.

Igor (unumex) updated the task description. (Show Details)Sep 17 2019, 4:04 PM
Brecht Van Lommel (brecht) raised the priority of this task from 30 to 90.Sep 17 2019, 5:36 PM
Pablo Dobarro (pablodp606) changed the task status from Unknown Status to Resolved.Sep 18 2019, 5:51 PM
Pablo Dobarro (pablodp606) claimed this task.
Pablo Dobarro (pablodp606) added a subscriber: Pablo Dobarro (pablodp606).

Should be fixed in rBa1318d241553246c266410eb1ae4ba23e73179e1

Pablo Dobarro (pablodp606) added a commit: rBa1318d241553: Fix T69580: Smooth brush freezes on highpoly mesh.Sep 18 2019, 5:55 PM
Igor (unumex) mentioned this in T70571: Mask brush freezes with "Topology Automasking".Oct 5 2019, 10:47 PM