title: How can I use a 3-D texture in iOS?
body: <p>I can't find the <code>glTexImage3D()</code> function from OpenGL in OpenGL ES 2.0. So how can I use a 3-D texture, eg: a .tga file? </p>
  
  <p>Does someone know how to use a 3-D texture in OpenGL ES 2.0?</p>