Sodium

Sodium

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Incorrect normal orientation on rotated blocks (Iris)

Closed this issue ยท 1 comments

commented

Bug Description

Since 0.7.0 (paired with Iris 1.9.2 or later), a bug is present causing incorrect normal orientation on log blocks. Shown here are screenshots of the Bliss shaderpack, with and without normal debug view enabled:

Image Image

Correct behaviour (or what looks like it) is exhibited in Sodium version 0.6.13 paired with Iris 1.9.1:

Image Image

The resource pack used for testing is attached:
sodium normals bug demo pack.zip

Reproduction Steps

  1. In an instance with a 0.7.x version of Sodium and a compatible version of Iris, enable the provided resourcepack and a shaderpack supporting normal maps
  2. Observe incorrect behaviour

Log File

Log using latest Sodium and Iris versions:
latest.log

Log with Sodium 0.6.13:
old-working-mods.log

Crash Report

crash-2025-11-03_23.49.00-client.txt

commented

These normals are generated by Iris and not Sodium. Please open this issue with Iris instead.