ur intensity.</p></li>
<li><p>Ignores the <strong>alpha channel</strong> during processing to avoid altering transparency.</p></li>
</ul>
<p><strong>Parameters</strong></p>
<ul class="simple">
<li><p><strong>surface_</strong> (<em>pygame.Surface</em>):
A Pygame surface object to which the blur effect will be applied. It must be either
<strong>24-bit RGB</strong> or <strong>32-bit RGBA</strong>. The function modifies the surface in-place.</p></li>
<li><p><strong>npass</strong> (<em>int</em>, optional