ass="line"><a id="l00178" name="l00178"></a><span class="lineno"><a class="line" href="namespacesf_1_1Glsl.html#ac7e4d95124aac05edea445249a71c00c">  178</a></span><span class="keyword">using </span><a class="code hl_typedef" href="namespacesf_1_1Glsl.html#ac7e4d95124aac05edea445249a71c00c">Mat4</a> = ImplementationDefined;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span