Alpha Channel from Mesh is not rendered when used in Geometry Nodes 3.6 (from 3.5) #109563

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Ricardo-Martinez-3 · 2023-06-30T17:29:29+02:00

2023-06-30 17:29:29 +02:00

System Information
Operating system: Windows 11 Pro & macOS Ventura 13.4.1
Graphics card: AMD Radeon Pro VII & Apple M2 Max (96 GB)

Blender Version
Broken: 3.6.0, c7fc78b81e, branch: blender-v3.6 release, 2023-06-27 08:08
Worked: 3.5.0, 1be25cfff1, branch: blender-v3.5-release, 2023-03-29 02:56

Short description of error
File build on 3.5 does not work the same in 3.6. Please see image attached. The mesh on the right displays correctly on both versions (holes using alpha channel), however, when using a geometry node with "object info" node and picking that mesh, the alpha channel does not display correctly on version 3.6.

Making a simple geometry node using "Object info" with group output on 3.6 works fine, but not with the complex geometry network from the original file. No errors or warnings on any node from the file in 3.5. Impossible to make any sense of what it can be wrong.

Exact steps for others to reproduce the error
Open file, choose Viewport shading -> Material Preview

**System Information** Operating system: Windows 11 Pro & macOS Ventura 13.4.1 Graphics card: AMD Radeon Pro VII & Apple M2 Max (96 GB) **Blender Version** Broken: 3.6.0, c7fc78b81ecb, branch: blender-v3.6 release, 2023-06-27 08:08 Worked: 3.5.0, 1be25cfff18b, branch: blender-v3.5-release, 2023-03-29 02:56 **Short description of error** File build on 3.5 does not work the same in 3.6. Please see image attached. The mesh on the right displays correctly on both versions (holes using alpha channel), however, when using a geometry node with "object info" node and picking that mesh, the alpha channel does not display correctly on version 3.6. Making a simple geometry node using "Object info" with group output on 3.6 works fine, but not with the complex geometry network from the original file. No errors or warnings on any node from the file in 3.5. Impossible to make any sense of what it can be wrong. **Exact steps for others to reproduce the error** Open file, choose Viewport shading -> Material Preview

Blender 3_5 vs 3_6.png

574 KiB

Ricardo-Martinez-3 added the

labels 2023-06-30 17:29:30 +02:00

Iliya Katushenock commented

2023-06-30 17:43:46 +02:00

Hi, thanks for report, for me this look the same incorrect both in 3.5 and 4.0:

Hi, thanks for report, for me this look the same incorrect both in 3.5 and 4.0: ![image](/attachments/b2b6b609-439d-4778-9b22-af74493e99fc)

image.png

752 KiB

Ricardo-Martinez-3 commented

2023-06-30 17:50:41 +02:00

Hi, thanks for report, for me this look the same incorrect both in 3.5 and 4.0:

My apologies, I forgot to add the images for the material. I have added them now

> Hi, thanks for report, for me this look the same incorrect both in 3.5 and 4.0: > ![image](/attachments/b2b6b609-439d-4778-9b22-af74493e99fc) My apologies, I forgot to add the images for the material. I have added them now

👍 1

Iliya Katushenock commented

2023-06-30 18:16:53 +02:00

Okay, in the end, there is just an error in console: GPUTexture: Blender Texture Not Loaded!

Okay, in the end, there is just an error in console: `GPUTexture: Blender Texture Not Loaded!`

Iliya Katushenock added the

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Alpha Channel from Mesh is not rendered when used in Geometry Nodes 3.6 (from 3.5) #109563