Disappearing Mesh when sculpting cloth with multires #83040

New Issue

Julian Mohr · 2020-11-26T09:54:09+01:00

Julian Mohr commented

2020-11-26 09:54:09 +01:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30

Blender Version
Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-11-25 22:18, hash: e09d0c0d07
Worked: 2.91 seems to work fine

Short description of error
Mesh disapears when sculpted with cloth filter brush and multires

Exact steps for others to reproduce the error
2020-11-26 09-46-15.mp4

Switch to sculptmode and sculpt.
It depends not on multires lvl sometimes it disappears with 3,5 etc.

untitled.blend

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30 **Blender Version** Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-11-25 22:18, hash: `e09d0c0d07` Worked: 2.91 seems to work fine **Short description of error** Mesh disapears when sculpted with cloth filter brush and multires **Exact steps for others to reproduce the error** [2020-11-26 09-46-15.mp4](https://archive.blender.org/developer/F9379156/2020-11-26_09-46-15.mp4) Switch to sculptmode and sculpt. It depends not on multires lvl sometimes it disappears with 3,5 etc. [untitled.blend](https://archive.blender.org/developer/F9379209/untitled.blend)

Julian Mohr commented

2020-11-26 09:54:09 +01:00

Added subscriber: @Jewls

Julian Mohr commented

2020-11-26 09:56:18 +01:00

This behavior sometimes lead to a crash & sometimes it will crash on undo but quite random.

Robert Guetzkow commented

2020-11-26 10:08:23 +01:00

Added subscriber: @rjg

Robert Guetzkow commented

2020-11-26 10:08:23 +01:00

Changed status from 'Needs Triage' to: 'Confirmed'

Robert Guetzkow commented

2020-11-26 10:08:23 +01:00

I can reproduce a crash. The pbvh was NULL when passed into BKE_pbvh_type.

BKE_pbvh_type(const PBVH * pbvh) Lines 1655	C
SCULPT_vertex_random_access_ensure(SculptSession * ss) Lines 120	C
sculpt_cloth_filter_invoke(bContext * C, wmOperator * op, const wmEvent * event) Lines 1549	C
wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Lines 1296	C
wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties, const unsigned char * kmi_idname) Lines 2141	C
wm_handlers_do_keymap_with_keymap_handler(bContext * C, wmEvent * event, ListBase * handlers, wmEventHandler_Keymap * handler, wmKeyMap * keymap, const bool do_debug_handler) Lines 2451	C
wm_handlers_do_intern(bContext * C, wmEvent * event, ListBase * handlers) Lines 2748	C
wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Lines 2872	C
wm_event_do_handlers(bContext * C) Lines 3368	C
WM_main(bContext * C) Lines 638	C
main(int argc, const unsigned char * * UNUSED_argv_c) Lines 526	C

I can reproduce a crash. The `pbvh` was `NULL` when passed into `BKE_pbvh_type`. ``` BKE_pbvh_type(const PBVH * pbvh) Lines 1655 C SCULPT_vertex_random_access_ensure(SculptSession * ss) Lines 120 C sculpt_cloth_filter_invoke(bContext * C, wmOperator * op, const wmEvent * event) Lines 1549 C wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Lines 1296 C wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties, const unsigned char * kmi_idname) Lines 2141 C wm_handlers_do_keymap_with_keymap_handler(bContext * C, wmEvent * event, ListBase * handlers, wmEventHandler_Keymap * handler, wmKeyMap * keymap, const bool do_debug_handler) Lines 2451 C wm_handlers_do_intern(bContext * C, wmEvent * event, ListBase * handlers) Lines 2748 C wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Lines 2872 C wm_event_do_handlers(bContext * C) Lines 3368 C WM_main(bContext * C) Lines 638 C main(int argc, const unsigned char * * UNUSED_argv_c) Lines 526 C ```

Robert Guetzkow commented

2020-11-26 10:11:20 +01:00

@Jewls can you confirm that this works without issues in 2.91.0. I couldn't reproduce the problem in that version.

Julian Mohr commented

2020-11-26 10:49:08 +01:00

@rjg In 2.91 i coudn´t repro it either so its a 2.92 only issue

Bastien Montagne commented

2020-12-23 17:36:52 +01:00

Added subscriber: @mont29

Bastien Montagne commented

2020-12-23 17:36:52 +01:00

Changed status from 'Confirmed' to: 'Needs User Info'

Bastien Montagne commented

2020-12-23 17:36:52 +01:00

Is this still reproducible with current master? It may have been fixed by d29a720c45 or 8a9dedf829 (cannot reproduce it here from quick test at least).

Is this still reproducible with current master? It **may** have been fixed by d29a720c45 or 8a9dedf829 (cannot reproduce it here from quick test at least).

Julian Mohr commented

2020-12-28 02:15:34 +01:00

Changed status from 'Needs User Info' to: 'Resolved'

Julian Mohr closed this issue

2020-12-28 02:15:34 +01:00

Julian Mohr self-assigned this 2020-12-28 02:15:34 +01:00

Julian Mohr commented

2020-12-28 02:15:34 +01:00

Its fixed with latest master so closing this one

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Disappearing Mesh when sculpting cloth with multires #83040