export / loading fails with specific node setup

This topic has 5 replies, 3 voices, and was last updated 1 year, 9 months ago by Alexander Kovelenov.

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2023-03-09 at 5:45 pm #60960
thomasup
Customer
we have a very specific issue with a node setup that no longer exports in verge 4.2.0 and blender 3.4.1:

the file did export in earlier version, but not in the current version. we narrowed it down to the nodes used by the decalmachine shader.

i couldnt find the specific node causing the issue, but it seems to be somewhere in the parallex effect. attached file only contains the material causing the error:
```
TypeError: Cannot read properties of undefined (reading 'name')
    at v3d.js:1:925848
    at _u.updateNodeGraph (v3d.js:1:925999)
    at new _u (v3d.js:1:937542)
    at v3d.js:1:1278946
    at async Promise.all (:8668/player/index 0)
    at async Promise.all (:8668/player/index 0)
    at async Promise.all (:8668/player/index 0)
    at async Promise.all (:8668/player/index 0)
    at async Promise.all (:8668/player/index 0)
(anonymous) @ v3d.js:1
player.js:57 Can't load the scene /sneak_peek/sneak_peek.gltf
```
tested in chrome 110.0.5481.178 on windows 10

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2023-03-09 at 6:12 pm #60962

thomasup
Customer

exporting from blender 3.3.4 LTS also does not work:

v3d.WebGLProgram: shader error: 0 35715 false gl.getProgramInfoLog Fragment shader is not compiled.

Edit: it does export correctly, when the file has not been opened with blender 3.4 before. so a “clean” 3.3 file works.

2023-03-09 at 9:00 pm #60966

kdv
Participant

Fix nodes replaced by Blender 3.4.1 before exporting

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-03-10 at 10:05 am #60980

thomasup
Customer

true, that will fix the exports. but it is hard to fix all the nodes by hand.

we will roll back the versions, and sticking to blender 3.3 as of now, and await the next verge release!

2023-03-10 at 10:41 am #60982

kdv
Participant

It was the right decision )))

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2023-03-10 at 12:33 pm #60984

Alexander Kovelenov
Staff

Thanks for reporting this! We’re going to fix this issue in the upcoming Verge3D pre-release (scheduled for the next week).

Soft8Soft Tech Chief
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