error, Multi-Mat assign new material causes Transparency #70157

Closed
opened 2019-09-22 04:19:43 +02:00 by Leon Lee · 10 comments

System Information
Operating system: mcoOS 10.15-i7 64bit
Graphics card: AMD Radeon R9 M395X OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.0.65

Blender Version
Broken: version: 2.81 (sub 12), branch: master, commit date: 2019-09-21 17:21, hash: c71be416e0
Worked: (optional)

Short description of error
Multi-Mat assign new material causes Transparency!!!!View display, rendering is the same

picture 未命名.jpg
Blender File Multi-Mat.blend

**System Information** Operating system: mcoOS 10.15-i7 64bit Graphics card: AMD Radeon R9 M395X OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.0.65 **Blender Version** Broken: version: 2.81 (sub 12), branch: master, commit date: 2019-09-21 17:21, hash: `c71be416e0` Worked: (optional) **Short description of error** Multi-Mat assign new material causes Transparency!!!!View display, rendering is the same picture ![未命名.jpg](https://archive.blender.org/developer/F7767553/未命名.jpg) Blender File [Multi-Mat.blend](https://archive.blender.org/developer/F7767546/Multi-Mat.blend)
Author

Added subscriber: @lileo

Added subscriber: @lileo

Added subscriber: @WayneDixon

Added subscriber: @WayneDixon

I was just going to report this bug and it seems it already has been.
Here's a video that shows the error.

blender_bug_MATERIAL_SLOTS.mp4
and the blend file
material_slots_break_in_viewport.blend

System Information
Operating system: Darwin-17.2.0-x86_64-i386-64bit 64 Bits
Graphics card: NVIDIA GeForce GTX 1050 Ti OpenGL Engine NVIDIA Corporation 4.1 NVIDIA-10.27.6 378.10.10.10.20.109

Blender Version
Broken: version: 2.81 (sub 12), branch: master, commit date: 2019-09-22 11:16, hash: 22a478e5ee
Worked: (optional)

I was just going to report this bug and it seems it already has been. Here's a video that shows the error. [blender_bug_MATERIAL_SLOTS.mp4](https://archive.blender.org/developer/F7768648/blender_bug_MATERIAL_SLOTS.mp4) and the blend file [material_slots_break_in_viewport.blend](https://archive.blender.org/developer/F7768650/material_slots_break_in_viewport.blend) **System Information** Operating system: Darwin-17.2.0-x86_64-i386-64bit 64 Bits Graphics card: NVIDIA GeForce GTX 1050 Ti OpenGL Engine NVIDIA Corporation 4.1 NVIDIA-10.27.6 378.10.10.10.20.109 **Blender Version** Broken: version: 2.81 (sub 12), branch: master, commit date: 2019-09-22 11:16, hash: `22a478e5ee` Worked: (optional)

Added subscriber: @dark999

Added subscriber: @dark999

IMO same as #70106 or #68826

IMO same as #70106 or #68826
Member

Added subscriber: @lichtwerk

Added subscriber: @lichtwerk
Member

Still not sure if #70106 and #68826 are related, but this seems to be at least the same as #70106, will merge these reports...

Still not sure if #70106 and #68826 are related, but this seems to be at least the same as #70106, will merge these reports...
Member

Closed as duplicate of #70106

Closed as duplicate of #70106

Added subscriber: @VanKoober

Added subscriber: @VanKoober

It also hapeens in Linux's (Mint) blender version!

System Information
Operating system: Linux Mint 19.3 Xcfe 64-bit
Graphics card: AMD Kaveri [Radeon R6 Graphics] vendor: Lenovo driver: radeon

Blender Version
Broken: version: 2.90.0 date: 2020-09-08 10:30
Worked: (2.80)

Short description of error

  • Add cube
  • Create new material
  • Select one face (in edit mode)
  • Assign new material.
  • The face becomes invisible but it's still there.

picture{F8854304}

It also hapeens in Linux's (Mint) blender version! System Information Operating system: Linux Mint 19.3 Xcfe 64-bit Graphics card: AMD Kaveri [Radeon R6 Graphics] vendor: Lenovo driver: radeon Blender Version Broken: version: 2.90.0 date: 2020-09-08 10:30 Worked: (2.80) Short description of error - Add cube - Create new material - Select one face (in edit mode) - Assign new material. - The face becomes invisible but it's still there. picture{[F8854304](https://archive.blender.org/developer/F8854304/assign_material_error.mp4)}
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Reference: blender/blender#70157
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