What happened?

I an playing 1.12.1. And when I use iris 1.8.0 beta 4 for fabric to use shaders, it seems making mistakes on chest. I try different shaders, but taht did't work. Here is a picture.

Screenshots

Log output

latest.log

Minecraft Version

Minecraft 1.21.1

Iris Version

iris 1.8 BETA 4 for fabric 1.21(.1)

Operating System

Windows 11

What is your GPU?

Nvdia GeForce RTX 4060 Laptop

Additional context

No response

I tried to find out what's wrong. And maybe it is about a mod, EMF(Entity Model Features). When I delete this mod, the shader works in right way. Maybe that will help you.