<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 class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">glLoadIdentity</b>(</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"><span class="citerefentry"><span class="refentrytitle">glLoadMatrix</span></span></a>

with the identity matrix</p><div class="informalequation"><math overflow="scroll">

<mrow>

<mo>(</mo>

<mtable class="matrix">

<mtr>

<mtd><mn>1</mn></mtd>

<mtd><mn>0</mn></mtd>

<mtd><mn>0</mn></mtd>

<mtd><mn>0</mn></mtd>

</mtr>

<mtr>

<mtd><mn>0</mn></mtd>

<mtd><mn>1</mn></mtd>

<mtd><mn>0</mn></mtd>

<mtd><mn>0</mn></mtd>

</mtr>

<mtr>

<mtd><mn>0</mn></mtd>

<mtd><mn>0</mn></mtd>

<mtd><mn>1</mn></mtd>

<mtd><mn>0</mn></mtd>

</mtr>

<mtr>

<mtd><mn>0</mn></mtd>

<mtd><mn>0</mn></mtd>

<mtd><mn>0</mn></mtd>

<mtd><mn>1</mn></mtd>

</mtr>

</mtable>

<mo>)</mo>

</mrow>

</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"><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"><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"><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"><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"><span class="citerefentry"><span class="refentrytitle">glLoadMatrix</span></span></a>,

<a class="citerefentry" href="glMatrixMode"><span class="citerefentry"><span class="refentrytitle">glMatrixMode</span></span></a>,

<a class="citerefentry" href="glMultMatrix"><span class="citerefentry"><span class="refentrytitle">glMultMatrix</span></span></a>,

<a class="citerefentry" href="glPushMatrix"><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 © 2003-2004

Silicon Graphics, Inc. This document is licensed under the SGI

Free Software B License. For details, see

<a class="ulink" href="https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/" target="_top">https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/</a>.

</p></div></div>