title: How to capture desktop on windows so that it would capture both directX and normally rendered parts of screen?
body: <p>Simple example - on one side we see camera rendered via standard software rendered "Input" on other hand (labeled "Output") rendered via some directX stuff (at least it seems to me) :</p>
  
  <p><img src="https://i.stack.imgur.com/aSjBN.jpg" alt="enter image description here"></p>
  
  <p>So what function is provided by windows api or DirectX api  for capturing such mixed scenes?</p>