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79 lines
3.3 KiB
XML
79 lines
3.3 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
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<refentry id="gluErrorString">
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<refmeta>
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<refmetainfo>
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<copyright>
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<year>1991-2006</year>
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<holder>Silicon Graphics, Inc.</holder>
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</copyright>
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</refmetainfo>
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<refentrytitle>gluErrorString</refentrytitle>
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<manvolnum>3G</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>gluErrorString</refname>
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<refpurpose>produce an error string from a GL or GLU error code</refpurpose>
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</refnamediv>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>const GLubyte * <function>gluErrorString</function></funcdef>
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<paramdef>GLenum <parameter>error</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<!-- eqn: ignoring delim $$ -->
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<refsect1 id="parameters"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>error</parameter></term>
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<listitem>
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<para>
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Specifies a GL or GLU error code.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id="description"><title>Description</title>
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<para>
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<function>gluErrorString</function> produces an error string from a GL or GLU error code. The string
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is in ISO Latin 1 format. For example,
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<function>gluErrorString</function>(<constant>GLU_OUT_OF_MEMORY</constant>) returns the string
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<emphasis>out of memory</emphasis>.
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</para>
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<para>
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The standard GLU error codes are <constant>GLU_INVALID_ENUM</constant>,
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<constant>GLU_INVALID_VALUE</constant>,
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and <constant>GLU_OUT_OF_MEMORY</constant>.
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Certain other GLU functions can return specialized error codes
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through callbacks.
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See the <citerefentry><refentrytitle>glGetError</refentrytitle></citerefentry> reference page for the list of
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GL error codes.
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</para>
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</refsect1>
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<refsect1 id="errors"><title>Errors</title>
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<para>
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<constant>NULL</constant> is returned if <parameter>error</parameter> is not a valid GL or GLU error code.
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</para>
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</refsect1>
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<refsect1 id="seealso"><title>See Also</title>
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<para>
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<citerefentry><refentrytitle>gluNurbsCallback</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluQuadricCallback</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessCallback</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glGetError</refentrytitle></citerefentry>
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</para>
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</refsect1>
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<refsect1 id="Copyright"><title>Copyright</title>
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<para>
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Copyright <trademark class="copyright"></trademark> 1991-2006
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Silicon Graphics, Inc. This document is licensed under the SGI
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Free Software B License. For details, see
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<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
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</para>
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</refsect1>
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</refentry>
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