Errors building Clocked Video Output

I believe what you want to do is hook up a VIP frame reader to a clocked video output block.

See chapter 17, page 171 of this:

http://www.altera.com/literature/ug/ug_vip.pdf

Don't bother with the SGDMA.

The frame reader will allow you to render your frames using your microprocessor,

then "switch pages" once the backbuffer has completed rendering.

The framereader will then read out the completed frame over and over

until you switch to a new back buffer.

You won't need to write any custom HDL blocks to convert

from avalon streaming to VIP protocol if you use this block since

it will output VIP protocol automatically.