Sculpt Mode crash when using Relax Mesh Filter with Dyntopo enabled #72054

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Diego Verger · 2019-11-29T23:39:59+01:00

Diego Verger commented

2019-11-29 23:39:59 +01:00

System Information
Operating system: Ubuntu 19.10
Graphics card: GeForce GTX 460

Blender Version
Broken: 77c7440540

Short description of error
Blender will crash if you use the Relax filter while dyntopo is still enabled.
None of the other filter types triggers the crash.
Any mesh type appears to trigger the crash.

Exact steps for others to reproduce the error

Switch to Sculpt mode with the default cube selected
Enable Dyntopo
Select Mesh Filter
Switch filter type to Relax
Click and drag over the viewport

Sculpt mode is getting awesome, thank you.

**System Information** Operating system: Ubuntu 19.10 Graphics card: GeForce GTX 460 **Blender Version** Broken: 77c744054062 **Short description of error** Blender will crash if you use the Relax filter while dyntopo is still enabled. None of the other filter types triggers the crash. Any mesh type appears to trigger the crash. **Exact steps for others to reproduce the error** 1. Switch to **Sculpt mode** with the default cube selected 2. Enable **Dyntopo** 3. Select **Mesh Filter** 4. Switch filter type to **Relax** 5. Click and drag over the viewport Sculpt mode is getting awesome, thank you.

Diego Verger commented

2019-11-29 23:39:59 +01:00

Added subscriber: @Diego3D

Regnas commented

2019-11-29 23:44:25 +01:00

Added subscriber: @Regnas

Regnas commented

2019-11-29 23:44:25 +01:00

Confirmed on Windows too.

Robert Guetzkow commented

2019-11-30 00:12:56 +01:00

Added subscriber: @rjg

Robert Guetzkow commented

2019-11-30 00:12:56 +01:00

I can reproduce this as well. in is NULL when calling normal_short_to_float_v3(float out- [x], const short in- [x]). The following stack trace is for f478fef9d6

normal_short_to_float_v3(float * out, const short * in) Line 1161
sculpt_relax_vertex(SculptSession * ss, PBVHVertexIter * vd, float factor, float * r_final_pos) Line 3076
mesh_filter_task_cb(void * userdata, const int i, const TaskParallelTLS * UNUSED_tls) Line 8897
BKE_pbvh_parallel_range(const int start, const int stop, void * userdata, void(*)(void *, const int, const TaskParallelTLS *) func, const PBVHParallelSettings * settings) Line 147
sculpt_mesh_filter_modal(bContext * C, wmOperator * op, const wmEvent * event) Line 8961
wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties) Line 2192
wm_handlers_do_intern(bContext * C, wmEvent * event, ListBase * handlers) Line 2945
wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Line 2993
wm_event_do_handlers(bContext * C) Line 3372
WM_main(bContext * C) Line 420
main(int argc, const unsigned char * * UNUSED_argv_c) Line 498

I can reproduce this as well. `in` is NULL when calling `normal_short_to_float_v3(float out- [x], const short in- [x])`. The following stack trace is for f478fef9d6 ``` normal_short_to_float_v3(float * out, const short * in) Line 1161 sculpt_relax_vertex(SculptSession * ss, PBVHVertexIter * vd, float factor, float * r_final_pos) Line 3076 mesh_filter_task_cb(void * userdata, const int i, const TaskParallelTLS * UNUSED_tls) Line 8897 BKE_pbvh_parallel_range(const int start, const int stop, void * userdata, void(*)(void *, const int, const TaskParallelTLS *) func, const PBVHParallelSettings * settings) Line 147 sculpt_mesh_filter_modal(bContext * C, wmOperator * op, const wmEvent * event) Line 8961 wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties) Line 2192 wm_handlers_do_intern(bContext * C, wmEvent * event, ListBase * handlers) Line 2945 wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Line 2993 wm_event_do_handlers(bContext * C) Line 3372 WM_main(bContext * C) Line 420 main(int argc, const unsigned char * * UNUSED_argv_c) Line 498 ```

blender-admin commented

2019-11-30 01:08:12 +01:00

This issue was referenced by 8a7851de3a

This issue was referenced by 8a7851de3a0bbddab7875a6b99bd55d9298d9e9c

Diego Verger commented

2019-12-02 18:08:13 +01:00

I found another issue that seems related.

Topology brush crashes Blender when holding SHIFT key while Dyntopo is enabled
Blender Version f1ac64921b

Steps:

Enable Dyntopo and select the Topology brush
Hold down the SHIFT key and click on the mesh

I don know if Pablo's patch will fix this too. Sorry I'm not a developer, I add it here so you can check. Thank you.

I found another issue that seems related. **Topology brush crashes Blender when holding SHIFT key while Dyntopo is enabled** Blender Version f1ac64921b49 **Steps:** 1. Enable Dyntopo and select the Topology brush 2. Hold down the SHIFT key and click on the mesh I don know if Pablo's patch will fix this too. Sorry I'm not a developer, I add it here so you can check. Thank you.

Robert Guetzkow commented

2019-12-02 19:18:16 +01:00

@Diego3D The patch seems to fix that issue as well.

Pablo Dobarro commented

2019-12-09 16:56:42 +01:00

Changed status from 'Open' to: 'Resolved'

Pablo Dobarro closed this issue

2019-12-09 16:56:42 +01:00

Pablo Dobarro self-assigned this 2019-12-09 16:56:42 +01:00

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Sculpt Mode crash when using Relax Mesh Filter with Dyntopo enabled #72054