UDIM Texture Paint Crash #73110
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Reference: blender/blender#73110
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System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.13
Blender Version
Broken: version: 2.82 (sub 6), branch: master, commit date: 2020-01-10 15:30, hash:
1cb938ef2c
Worked: (optional)
Short description of error
1.Paint on Multiple UDIM texture cause Blender crash
2.Pack all in blend didn't work.
Exact steps for others to reproduce the error
I try to pack all texture file in the blend file . But It only pack the start of UDIM file ( 1001 ) only.
Thanks.
Added subscriber: @Thura
Added subscriber: @Jeroen-Bakker
Changed status from 'Needs Triage' to: 'Needs User Info'
I cannot reproduce with the attached file. Perhaps due to missing textures.
If I still perform the steps provided it doesn't crash for me.
Please provide us with an as simple as possible blend file that shows the issue. Remove anything that is not required to check the bug.
Added subscriber: @lichtwerk
This is part of #72390 (Improve UDIM functionality), see D6492: Support packing UDIM textures
Changed status from 'Needs User Info' to: 'Confirmed'
Can confirm a crash.
@Jeroen-Bakker: since UDIMs cannot be packed atm., @Thura provided the files in the
Texture/UDIM ER TExtures
folder.(just use
File
>External Data
>Find Missing Files
to browse to that folder, wait a bit to let the viewport update, then paint)seems
BKE_image_get_tile_from_iuser
cant get anImageTile
, checking...(doesnt seem to happen on all maps, but painting on
ER.Shadowpass
seems to cause a crash relyably...)This issue was referenced by
aee2b754dc
The problem is that
project_paint_face_paint_tile
says to look for tile 1003 (because corresponding uv is in that range), butBKE_image_get_tile_from_iuser
doesnt find it.Underlying problem is that the
.1003
file is actually on disk, but the1003
tile is not added in blender.Easier repro file (along with textures):
#73110.zip
Reminds me of the design question raised in #72734 (UDIMs don't behave properly on imported geometry) if it is actually necessary to add these tiles in blender as a list (in contrast to just looking on disk if the UVs are in that range) -- but this a whole different (design) question.
In order to survive (not crash), I would propose to be a bit more strict in
image_quick_test
to avoid problems later...UDIM Further testing.zip
Hi, thanks for taking action my report.
I try testing the UDIM error and I found the problem.
The Problem is I can only use 4 UDIM texture.
Please follow this procedure.
2.I already used 4 UDIM Textures. In the shading windows please connect the emission shader to add shder 2nd slot.
3.The model turn pink because you just added the 5th UDIM texture ( It is not a missing texture)
4.To verify this please down in the shader window. I collect all UDIM texture in a frame.
5.Disconnect any of the UDIM texture from the material . The material work again.
( 4 Maximum UDIM texture work well. That is my testing . Thanks for take action to my report.)
Thura Thein Tin.
Hi @Thura,
This seems to be a separate issue, could you open another report for this? [I can sort of confirm, but it seems totally unrelated to the crash reported earlier]
Btw. the crash is already solved with D6578: Fix #73110: UDIM Texture Paint Crash, just needs another approval and then could be committed...
Ok. I will report this as a new. Thanks.
Changed status from 'Confirmed' to: 'Resolved'