Your project sounds very interesting. I'm still at step 0 -- trying to get the example to work:
This is the design that I was trying to compile
This post provided critical information that I was missing the library - I then switched to the provided .zip file:
I see this post (for a different board) which suggests the design is resolution sensitive:
I think this may be the answer
My plan today is to force on of these resolutions and see what happens. Once I can get the basic demo going I too would like to get pass-through going in Verilog!