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gltf export alpha non display
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Description

System Information
Operating system: Apple os
Graphics card: iris pro 1536

Blender Version 280 b3f96da2e605
Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen)
Worked: (optional)

Short description of error
doesn't export gltf alpha properly, which in previous version (280 a9da750aee08) used to work just fine)

Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).

Event Timeline

Julien DUROURE (julien) triaged this task as Needs Information from User priority.May 28 2019, 3:37 PM

Hello,
can you please provide a simple .blend file
This is maybe a duplicate of T64760

Hi Julien

Here the sample https://drive.google.com/file/d/132RNmBQuC3digYDN5kXmB_AWdolz2TjM/view?usp=drivesdk

thanks for the quick response, i'm attaching a sample for a file that works properly, but in the newest blender (the one i've mentioned) doesn't work, just shows white instead a gradient to alpha.
i've changed between blend modes in evee (alpha, clip etc) with no positive results. i've tried adding a texture coordinate to my material, but just shows pixalated , non alpha version of the texture.
i'm using the pbr material nodes from Khronos, i think you actually work with them for this exporting module isn't it?
in any case, let me know if you need more info.
thanks so much for you help.
regards,

Julien DUROURE (julien) raised the priority of this task from Needs Information from User to Needs Triage by Developer.May 29 2019, 2:27 PM