Sounds like you need a multi-pass shader. As an example, you can store state in one pass, apply operations in another pass, and render in the last pass. Exampl

Sounds like you need a multi-pass shader. As an example, you can store state in one pass, apply operations in another pass, and render in the last pass. Example: https://shadergif.com/gifs/324 https://shadergif.com/gifs/324