How to do compositing in Realsoft for lazy people?

 (by Jean-Sebastien Perron)

-Create the material for the first layer

-Create the material for the second layer (the one that will be above the other)

-Put your mask image in the "Scope" channel output

-Create a camera

-Add a Backdrop to it

-Map by default the layers material to the backdrop of the camera

-Render and enjoy!