How to stack 2 shaders effects on top of each others?

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By Voyga
:warning: Old Version Published before Godot 3 was released.

If I stack them (2 TextureFrames) directly the one on bottom won’t show

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:bust_in_silhouette: Reply From: eons

You may need to use the BackBufferCopy node.

Look at the “glass bubbles (texscreen)” demo to see them working.