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<?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="glGenLists">
<refmeta>
<refmetainfo>
<copyright>
<year>1991-2006</year>
<holder>Silicon Graphics, Inc.</holder>
</copyright>
</refmetainfo>
<refentrytitle>glGenLists</refentrytitle>
<manvolnum>3G</manvolnum>
</refmeta>
<refnamediv>
<refname>glGenLists</refname>
<refpurpose>generate a contiguous set of empty display lists</refpurpose>
</refnamediv>
<refsynopsisdiv><title>C Specification</title>
<funcsynopsis>
<funcprototype>
<funcdef>GLuint <function>glGenLists</function></funcdef>
<paramdef>GLsizei <parameter>range</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="parameters"><title>Parameters</title>
<variablelist>
<varlistentry>
<term><parameter>range</parameter></term>
<listitem>
<para>
Specifies the number of contiguous empty display lists
to be generated.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id="description"><title>Description</title>
<para>
<function>glGenLists</function> has one argument, <parameter>range</parameter>.
It returns an integer <emphasis>n</emphasis> such that <parameter>range</parameter> contiguous
empty display lists,
named
<inlineequation><mml:math><mml:mi mathvariant="italic">n</mml:mi></mml:math></inlineequation>,
<inlineequation><mml:math>
<!-- eqn: n+1:-->
<mml:mrow>
<mml:mi mathvariant="italic">n</mml:mi>
<mml:mo>+</mml:mo>
<mml:mn>1</mml:mn>
</mml:mrow>
</mml:math></inlineequation>,
<inlineequation><mml:math>
<!-- eqn: ...:-->
<mml:mi mathvariant="italic">...</mml:mi>
</mml:math></inlineequation>,
<inlineequation><mml:math>
<!-- eqn: n + range - 1:-->
<mml:mrow>
<mml:mi mathvariant="italic">n</mml:mi>
<mml:mo>+</mml:mo>
<mml:mi mathvariant="italic">range</mml:mi>
<mml:mo>-</mml:mo>
<mml:mn>1</mml:mn>
</mml:mrow>
</mml:math></inlineequation>,
are created.
If <parameter>range</parameter> is 0,
if there is no group of <parameter>range</parameter> contiguous names available,
or if any error is generated,
no display lists are generated,
and 0 is returned.
</para>
</refsect1>
<refsect1 id="errors"><title>Errors</title>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if <parameter>range</parameter> is negative.
</para>
<para>
<constant>GL_INVALID_OPERATION</constant> is generated if <function>glGenLists</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>glIsList</refentrytitle></citerefentry>
</para>
</refsect1>
<refsect1 id="seealso"><title>See Also</title>
<para>
<citerefentry><refentrytitle>glCallList</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glCallLists</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glDeleteLists</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glNewList</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>