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<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>glLoadIdentity</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /></head><body><div class="refentry" title="glLoadIdentity"><a id="glLoadIdentity"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glLoadIdentity — replace the current matrix with the identity
	matrix</p></div><div class="refsynopsisdiv" title="C Specification"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <strong>fsfuncglLoadIdentity</strong>(</code></td><td><code>void)</code>;</td><td> </td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Description"><a id="description"></a><h2>Description</h2><p>
	<code class="function">glLoadIdentity</code>
	replaces the current matrix with the identity matrix. It is
	semantically equivalent to calling
	<a class="citerefentry" href="glLoadMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glLoadMatrix</span></span></a>
	with the identity matrix</p><div class="informalequation"><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
	    <mml:mrow>
		<mml:mo>(</mml:mo>
		<mml:mtable class="matrix">
		    <mml:mtr>
			<mml:mtd><mml:mn>1</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
		    </mml:mtr>
		    <mml:mtr>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>1</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
		    </mml:mtr>
		    <mml:mtr>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>1</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
		    </mml:mtr>
		    <mml:mtr>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>0</mml:mn></mml:mtd>
			<mml:mtd><mml:mn>1</mml:mn></mml:mtd>
		    </mml:mtr>
		</mml:mtable>
		<mml:mo>)</mml:mo>
	    </mml:mrow>
	</mml:math></div><p>but in some cases it is more efficient.</p></div><div class="refsect1" title="Associated Gets"><a id="associatedgets"></a><h2>Associated Gets</h2><p>
            <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MATRIX_MODE</code>
        </p><p>
            <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MODELVIEW_MATRIX</code>
        </p><p>
            <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_PROJECTION_MATRIX</code>
        </p><p>
            <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_TEXTURE_MATRIX</code>
        </p></div><div class="refsect1" title="See Also"><a id="seealso"></a><h2>See Also</h2><p>
	<a class="citerefentry" href="glLoadMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glLoadMatrix</span></span></a>,
	<a class="citerefentry" href="glMatrixMode.xml"><span class="citerefentry"><span class="refentrytitle">glMatrixMode</span></span></a>,
	<a class="citerefentry" href="glMultMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glMultMatrix</span></span></a>,
	<a class="citerefentry" href="glPushMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glPushMatrix</span></span></a>
	</p></div><div class="refsect1" title="Copyright"><a id="copyright"></a><h2>Copyright</h2><p>
	    Copyright <span class="trademark"></span>© 2003-2004
	    Silicon Graphics, Inc. This document is licensed under the SGI
	    Free Software B License. For details, see
	    <a class="ulink" href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>.
	</p></div></div></body></html>
