mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-26 01:55:34 +00:00
151 lines
6.9 KiB
XML
151 lines
6.9 KiB
XML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
|
||
|
|
"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
|
||
|
|
<refentry id="glLoadIdentity">
|
||
|
|
<refmeta>
|
||
|
|
<refmetainfo>
|
||
|
|
<copyright>
|
||
|
|
<year>1991-2006</year>
|
||
|
|
<holder>Silicon Graphics, Inc.</holder>
|
||
|
|
</copyright>
|
||
|
|
</refmetainfo>
|
||
|
|
<refentrytitle>glLoadIdentity</refentrytitle>
|
||
|
|
<manvolnum>3G</manvolnum>
|
||
|
|
</refmeta>
|
||
|
|
<refnamediv>
|
||
|
|
<refname>glLoadIdentity</refname>
|
||
|
|
<refpurpose>replace the current matrix with the identity matrix</refpurpose>
|
||
|
|
</refnamediv>
|
||
|
|
<refsynopsisdiv><title>C Specification</title>
|
||
|
|
<funcsynopsis>
|
||
|
|
<funcprototype>
|
||
|
|
<funcdef>void <function>glLoadIdentity</function></funcdef>
|
||
|
|
<paramdef> <parameter>void</parameter></paramdef>
|
||
|
|
</funcprototype>
|
||
|
|
</funcsynopsis>
|
||
|
|
</refsynopsisdiv>
|
||
|
|
<refsect1 id="description"><title>Description</title>
|
||
|
|
<para>
|
||
|
|
<function>glLoadIdentity</function> replaces the current matrix with the identity matrix.
|
||
|
|
It is semantically equivalent to calling <citerefentry><refentrytitle>glLoadMatrix</refentrytitle></citerefentry>
|
||
|
|
with the identity matrix
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
<informalequation><mml:math>
|
||
|
|
<!-- eqn: left ( { matrix { lcol { 1 above 0 above 0 above 0 } lcol { 0 above 1 above 0 above 0 } lcol { 0 above 0 above 1 above 0 } lcol { 0 above 0 above 0 above 1 } } } right ):-->
|
||
|
|
<mml:mfenced open="(" close=")">
|
||
|
|
<mml:mfenced open="" close="">
|
||
|
|
<mml:mtable>
|
||
|
|
<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:mfenced>
|
||
|
|
</mml:mfenced>
|
||
|
|
</mml:math></informalequation>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
but in some cases it is more efficient.
|
||
|
|
</para>
|
||
|
|
</refsect1>
|
||
|
|
<refsect1 id="errors"><title>Errors</title>
|
||
|
|
<para>
|
||
|
|
<constant>GL_INVALID_OPERATION</constant> is generated if <function>glLoadIdentity</function>
|
||
|
|
is executed between the execution of <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>
|
||
|
|
and the corresponding execution of <citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry>.
|
||
|
|
</para>
|
||
|
|
</refsect1>
|
||
|
|
<refsect1 id="associatedgets"><title>Associated Gets</title>
|
||
|
|
<para>
|
||
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_MATRIX_MODE</constant>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_COLOR_MATRIX</constant>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_MODELVIEW_MATRIX</constant>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_PROJECTION_MATRIX</constant>
|
||
|
|
</para>
|
||
|
|
<para>
|
||
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_TEXTURE_MATRIX</constant>
|
||
|
|
</para>
|
||
|
|
</refsect1>
|
||
|
|
<refsect1 id="seealso"><title>See Also</title>
|
||
|
|
<para>
|
||
|
|
<citerefentry><refentrytitle>glLoadMatrix</refentrytitle></citerefentry>,
|
||
|
|
<citerefentry><refentrytitle>glLoadTransposeMatrix</refentrytitle></citerefentry>,
|
||
|
|
<citerefentry><refentrytitle>glMatrixMode</refentrytitle></citerefentry>,
|
||
|
|
<citerefentry><refentrytitle>glMultMatrix</refentrytitle></citerefentry>,
|
||
|
|
<citerefentry><refentrytitle>glMultTransposeMatrix</refentrytitle></citerefentry>,
|
||
|
|
<citerefentry><refentrytitle>glPushMatrix</refentrytitle></citerefentry>
|
||
|
|
</para>
|
||
|
|
</refsect1>
|
||
|
|
<refsect1 id="Copyright"><title>Copyright</title>
|
||
|
|
<para>
|
||
|
|
Copyright <trademark class="copyright"></trademark> 1991-2006
|
||
|
|
Silicon Graphics, Inc. This document is licensed under the SGI
|
||
|
|
Free Software B License. For details, see
|
||
|
|
<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
|
||
|
|
</para>
|
||
|
|
</refsect1>
|
||
|
|
</refentry>
|