What happened?

i get a weird overlay, it only happens when i am applying a shaderpack
below is an image (issue is on the right side)

Screenshots

Relevant log output

[15:53:21] [main/INFO]: Started 12 worker threads
[15:53:22] [main/INFO]: Using shaderpack: Sildurs Vibrant Shaders v1.29 Extreme-VL(1).zip
[15:53:22] [main/WARN]: [composite1] Unsupported uniform: float BiomeTemp

Iris and Minecraft Version

iris-and-sodium-mc1.16.5-1.1.2+build.4

Are you running Sodium along with Iris?

Yes

Operating System

Fedora 34 (amdgpu is latest)

What is your GPU?

AMD Radeon RX 5700 XT

Java Version

Java 8 (8.0.292-zulu)

Additional context

it only happens with sildurs shaders

Attach the full log file

here: https://paste.ee/p/sK8gS

Duplicate of #718
The TAA in Slidur's Shaders breaks Iris with Mesa drivers