Performance issues when mirroring ipad to vga output

I have tried various techniques for mirroring my ipad application to vg开发者_运维问答a output, but am getting very bad performance.

Is there a better or worse way of doing this?

Take a look here http://www.touchcentric.com/blog/archives/123

Rob Terrell's TVOutManager is the solution.

The next line is all your need: [[TVOutManager sharedInstance] startTVOut];