Double Pass Transmission grab texture has black artefacts at high lod when using normalTexture

[dmnsgn]

Stained glass lamp has black spots, visible when orbiting (some z fighting?)

Edit: data.transmitted is out of bounds somehow. (tested working with data.transmitted = saturate(data.transmitted);)

Originally posted by @dmnsgn in https://github.com/pex-gl/pex-renderer/issues/376#issuecomment-2144749901

[dmnsgn]

At lod 4:

[dmnsgn]

Fixed since alpha.56 with [email protected] in this commit: https://github.com/pex-gl/pex-shaders/commit/4e252a589b6e41c74d4b6e07fba1a92e8c030bb4