title: Comparison between opengl and directX
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1240625/opengl-or-directx">OpenGL or DirectX?</a>  </p>
  </blockquote>
  
  
  
  <p>Not want to trigger war, but really want to know pros and cons of those two mainstream graphic library?</p>