This little software server can emulate a shm based graphics engine and translate it to AMCP.
Just run this on your CasparCG server.
So if you need to call a CasparCG server inside your VizRt flow, just type in the ip of the CasparCG server in your VizTrio.
There´s not a a lot in the protocol as it´s only meant for special purposes. So feel free to contribute if you have special need