For the time being you could use a simple 2 layer setup. Layer 1 brings in the entire window and applies the desired crop, and layer 2 inputs the Layer 1 with FX window, and outputs to whatever you want next.
For the time being you could use a simple 2 layer setup. Layer 1 brings in the entire window and applies the desired crop, and layer 2 inputs the Layer 1 with FX window, and outputs to whatever you want next.