Post-processing outline shader Godot.

HOW TO USE:

1. Create a MeshInstance3D node with a QuadMesh and place it in your scene.
2. Set it's size to 2x2.
3. Enable the "Flip Faces" option and add the maximum extra cull margin.
4. Create a new shader material with this shader.
5. Assign the material to the MeshInstance3D

LIMITATIONS:

• Does not work well with TAA enabled.

TESTED ENGINE VERSION: 4.0.3