Mesh instances disappear when source mesh is culled under specific circumstances

Bugs
1

Hello!
I’ve been using mesh instances in my game to make a repeating background, and wanted to use a depth renderer for some of my shaders. However, as soon as I enable the depth renderer, some mesh instances disappear if the source mesh is offscreen.
I was able to reproduce the bug in the playground. It seems to happen only when the source mesh has vertex colors, the meshes are using a custom ShaderMaterial, a depth renderer is enabled, and the instances have negative scale.
Does anyone know why this is happening?

3

Thanks for the repro, here’s the fix:

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5

You are the king @Evgeni_Popov

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