Mesh gets transparency in a specific vertex group after trying to render in EEVEE #71669
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Reference: blender/blender#71669
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System Information
Operating system: Windows-7-6.1.7600-SP0 64 Bits
Graphics card: Gallium 0.4 on llvmpipe (LLVM 3.8, 128 bits) VMware, Inc. 3.3 (Core Profile) Mesa 11.2.0 (git-aa91c51)
Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash:
f6cb5f5449and 2.81 betaeba4a4bd73date 2019-11-15 16:32Mesh gets transparency in viewport view in a specific vertex group after trying to render in EEVEE. this happened me in two models that were created in b3d 2.79b. in 2.80 this doesnt seem to appear but i havent check it out if thats correct...
some screenshots
MBD_M4A1-2.8.blend
Added subscriber: @Michael-Colina
Added subscriber: @lichtwerk
.blend file is missing, please upload here
every check is helpful, so if you can confirm these load fine into 2.80, please provide that information as well
also make sure to check GPU requirements and up-to-date drivers
https://www.blender.org/download/requirements/
https://docs.blender.org/manual/en/dev/troubleshooting/gpu/index.html
note to myself in advance: if this is still a problem after above steps, check https://docs.blender.org/api/2.81/bpy.types.Mesh.html?#bpy.types.Mesh.validate_material_indices
added model link i hope that helps
Not sure we support these kinds of glitches over VMWare, but yes, needs another look, thx for getting back...
Added subscriber: @JacquesLucke
Changed status from 'Needs Triage' to: 'Needs User Info'
Do I read that correctly, the issue only happens on meshes that were created before in 2.79, but does not happen on any new model?
Does the issue still exist?
yes though i discovered that the issue was caused by opengl it self, i am using a opengl32.dll thats how i fortunately i can open blender 2.8, and sadly runs slower than 2.79b its runs smooth instead! also this was stupidly solve by deleting all materials in material tab by the way... this happened too with two object created in 2.8 that i joined and same shit happened and the solution was the same...i dont find a way to upgrade windows right now to see if i can update my drivers card..
Added subscriber: @brecht
This sounds like an issue with multiple materials, same as #71576 (Viewport/crash artefacts with multiple materials and legacy NVIDIA drivers).
Added subscriber: @EAW
Changed status from 'Needs User Info' to: 'Archived'
Thanks for the reports.
You are running Win 7 SP0 on an [Ironlake (Arrandale) ]] CPU with a https:*www.mesa3d.org/llvmpipe.html from [ https://www.mesa3d.org/relnotes/11.2.0.html | 2016 .
This GPU is below the minimum requirements for Blender, so we no longer provide support for it.: https://www.blender.org/download/requirements/
Installing the latest graphics driver sometimes helps to make such GPUs work, see here for more information. https://docs.blender.org/manual/en/dev/troubleshooting/gpu/index.html
If that doesn't help, you can use Blender 2.79: https://www.blender.org/download/previous-versions/