+<?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="glPointParameter">
+ <refmeta>
+ <refmetainfo>
+ <copyright>
+ <year>1991-2006</year>
+ <holder>Silicon Graphics, Inc.</holder>
+ </copyright>
+ </refmetainfo>
+ <refentrytitle>glPointParameter</refentrytitle>
+ <manvolnum>3G</manvolnum>
+ </refmeta>
+ <refnamediv>
+ <refname>glPointParameter</refname>
+ <refpurpose>specify point parameters</refpurpose>
+ </refnamediv>
+ <refsynopsisdiv><title>C Specification</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>void <function>glPointParameterf</function></funcdef>
+ <paramdef>GLenum <parameter>pname</parameter></paramdef>
+ <paramdef>GLfloat <parameter>param</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para></para>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>void <function>glPointParameteri</function></funcdef>
+ <paramdef>GLenum <parameter>pname</parameter></paramdef>
+ <paramdef>GLint <parameter>param</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+ <!-- eqn: ignoring delim $$ -->
+ <refsect1 id="parameters"><title>Parameters</title>
+ <variablelist>
+ <varlistentry>
+ <term><parameter>pname</parameter></term>
+ <listitem>
+ <para>
+ Specifies a single-valued point parameter.
+ <constant>GL_POINT_FADE_THRESHOLD_SIZE</constant>, and
+ <constant>GL_POINT_SPRITE_COORD_ORIGIN</constant>
+ are accepted.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>param</parameter></term>
+ <listitem>
+ <para>
+ Specifies the value that <parameter>pname</parameter> will be set to.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+ <refsynopsisdiv><title>C Specification</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>void <function>glPointParameterfv</function></funcdef>
+ <paramdef>GLenum <parameter>pname</parameter></paramdef>
+ <paramdef>const GLfloat * <parameter>params</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para></para>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>void <function>glPointParameteriv</function></funcdef>
+ <paramdef>GLenum <parameter>pname</parameter></paramdef>
+ <paramdef>const GLint * <parameter>params</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+ <refsect1 id="parameters2"><title>Parameters</title>
+ <variablelist>
+ <varlistentry>
+ <term><parameter>pname</parameter></term>
+ <listitem>
+ <para>
+ Specifies a point parameter.
+ <constant>GL_POINT_FADE_THRESHOLD_SIZE</constant>, and
+ <constant>GL_POINT_SPRITE_COORD_ORIGIN</constant>
+ are accepted.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>params</parameter></term>
+ <listitem>
+ <para>
+ Specifies the value to be assigned to <parameter>pname</parameter>..
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+ <refsect1 id="description"><title>Description</title>
+ <para>
+ The following values are accepted for <parameter>pname</parameter>:
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term><constant>GL_POINT_FADE_THRESHOLD_SIZE</constant></term>
+ <listitem>
+ <para>
+ </para>
+ <para>
+ <parameter>params</parameter> is a single floating-point value that specifies the threshold value
+ to which point sizes are clamped if they exceed the specified value. The
+ default value is 1.0.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><constant>GL_POINT_SPRITE_COORD_ORIGIN</constant></term>
+ <listitem>
+ <para>
+ </para>
+ <para>
+ <parameter>params</parameter> is a single enum specifying the point sprite texture coordinate origin, either <constant>GL_LOWER_LEFT</constant> or <constant>GL_UPPER_LEFT</constant>.
+ The default value is <constant>GL_UPPER_LEFT</constant>.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+ <refsect1 id="errors"><title>Errors</title>
+ <para>
+ <constant>GL_INVALID_VALUE</constant> is generated if the value specified for
+ <constant>GL_POINT_FADE_THRESHOLD_SIZE</constant> is less than zero.
+ </para>
+ <para>
+ <constant>GL_INVALID_ENUM</constant> is generated If the value specified for
+ <constant>GL_POINT_SPRITE_COORD_ORIGIN</constant> is not <constant>GL_LOWER_LEFT</constant> or <constant>GL_UPPER_LEFT</constant>.
+ </para>
+ </refsect1>
+ <refsect1 id="associatedgets"><title>Associated Gets</title>
+ <para>
+ <citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POINT_FADE_THRESHOLD_SIZE</constant>
+ </para>
+ <para>
+ <citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POINT_SPRITE_COORD_ORIGIN</constant>
+ </para>
+ </refsect1>
+ <refsect1 id="seealso"><title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>glPointSize</refentrytitle></citerefentry>
+ </para>
+ </refsect1>
+ <refsect1 id="Copyright"><title>Copyright</title>
+ <para>
+ Copyright <trademark class="copyright"></trademark> 1991-2006
+ Silicon Graphics, Inc. Copyright <trademark class="copyright"></trademark> 2010
+ Khronos Group. 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>