Post processing only affecting specific UI layer with URP

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1

Hello, I am currently working on a 2D game with a combo meter UI element:
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I want to have specific post processing effects on this UI element that don’t affect any other objects. I achieved a version of this by creating a camera stack that has a base camera culling mask on the UI layer. Then the URP volume is also on this layer. The rest of the scene is loaded with an overlay camera with different post processing effects.

9362732--1309331--upload_2023-9-25_0-1-19.png
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This solution is not good, it makes it so that the combo meter is below the rest of the objects and I don’t want to have a base camera only for the combo meter. Putting the UI camera as an overlay camera makes the postprocessing for the combo meter affect the rest of the scene.

How can I specifically isolate post processing effects on specific objects with URP. Is there even a solution to this?

2

Did you find any solution with this? I’m attempting the same thing at the moment and having the same issue where the UI cam’s post processing effects the entire scene, layermasks don’t seem to help.