>    <li class="argument">CONTENTS</li>  </ul>  <a class="source-link" href="https://github.com/Shirakumo/alloy/blob/b5114b146e3aaaf31e4e9e78dc450f6794779e42/protocol.lisp#L33">Source</a>  </header> <div class="docstring"><pre>Update the contents of the buffer object with the given contents.

The buffer must be resized to fit and filled with the given contents.
The CONTENTS should be a vector with element type SINGLE-FLOAT for
VERTEX-BUFFER, or (UNSIGNED-BYTE 32) for ELEMENT-BUFFER types.

The behaviour is 