[Immersive portals] Mirrors not working above water when shaders are enabled

[JustSimplyKyle]

What happened?

mirrors are not working
shaders enabled:

shades disabled:

shader: comp 4.2 dev5

Screenshots

No response

Relevant log output

No response

Iris and Minecraft Version

iris-1.1.2-pre+rev.5142946+sodium 0.3.0+IRIS2-rev.7eab2e4

Are you running Sodium along with Iris?

Yes

Operating System

Arch linux

What is your GPU?

MSI RX5700xt+mesa

Java Version

adoptoopenjdk java 16

Additional context

No response

[coderbot16]

This is unfixable because portals have to be rendered into the scene after translucent things like water have already been rendered, when using shaders.