title: shadow mapping multitexture
body: <p>There is this tutorial about shadow mapping:
  <a href="http://www.paulsprojects.net/tutorials/smt/smt.html" rel="nofollow noreferrer">http://www.paulsprojects.net/tutorials/smt/smt.html</a></p>
  
  <p>Ok, but I did not realize how to make a scene with multitexture.</p>
  
  <p>If in the third pass of shadow mapping It is need to bind the shadow mapping projected texture to perform depth comparison, HOW can I bind another textures if I need to bind the shadow mapping texture?</p>
  
  <p>Must I set shadow mapping as a separate texture to be bind? Something like this:</p>
  
  <ol>
  <li>Active shadow mapping texture</li>
  <li>Active texture 1</li>
  <li>Active texture 2</li>
  </ol>
  
  <p>I tried that but it did not work (maybe I've done something wrong).</p>