Add a utility to adjust rendering quality based on rendering performance.

plugin/idl/pack.idl

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 46 matching lines @@
     pack.destroy() is effectively almost the same as this.
 
     \code
     var objectsInPack = pack.getObjectsByClassName('o3d.ObjectBase');
     for (var ii = 0; ii < objectsInPack.length; ++ii) {
       pack.removeObject(objectsInPack[ii]);
     }
     \endcode
 
     The only difference is that after all the objects are removed the pack
-    itself will be released from the client.  See documenation on
+    itself will be released from the client.  See documentation on
     pack.removeObject for why this is important.
 
     It's important to note that many objects are only referenced by the pack.
     Textures, Effects, Materials, for example. That means the moment you call
     pack.destroy() those objects will be freed. If the client then tries to
     render and some objects are missing you'll immediately get an error.
   %]
   void Destroy();
 
   %[
@@ skipping 224 matching lines @@
     \param raw_data The RawData to create the texture from.
     \param generate_mips True if you want O3D to generate mip maps for the
         texture.
     \return the Texture
   %]
   Texture? CreateTextureFromRawData(RawData raw_data,
                                     bool generate_mips);
 };  // Pack
 
 }  // namespace o3d