Incompatibility with Dynamic Rain Shader Datapack

[ivanushikk]

Describe the bug

When using the Dynamic Rain Shader datapack with Vulkan Mod, the shader rendering is broken, causing green artifacts to appear when it's raining. The datapack works perfectly in vanilla Minecraft with the standard OpenGL renderer or with Sodium, but fails when Vulkan Mod is active.

Steps to reproduce

Dynamic rain shader - 0.1.2 for 1.21.4: https://modrinth.com/resourcepack/dynamic-rain-shader/versions
Minecraft 1.21.4 with Fabric loader 0.16.10
Vulkan mod 0.5.4

Log files

minecraft-error-log.txt

[melamit]

Shaders are not fully implemented.