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<refentry id="glIsBuffer">
    <refmeta>
        <refmetainfo>
            <copyright>
                <year>2005</year>
                <holder>Sams Publishing</holder>
            </copyright>
        </refmetainfo>
        <refentrytitle>glIsBuffer</refentrytitle>
        <manvolnum>3G</manvolnum>
    </refmeta>
    <refnamediv>
        <refname>glIsBuffer</refname>
        <refpurpose>determine if a name corresponds to a buffer object</refpurpose>
    </refnamediv>
    <refsynopsisdiv><title>C Specification</title>
        <funcsynopsis>
            <funcprototype>
                <funcdef>GLboolean <function>glIsBuffer</function></funcdef>
                <paramdef>GLuint <parameter>buffer</parameter></paramdef>
            </funcprototype>
        </funcsynopsis>
    </refsynopsisdiv>
    <refsect1 id="parameters"><title>Parameters</title>
        <variablelist>
        <varlistentry>
            <term><parameter>buffer</parameter></term>
            <listitem>
                <para>
                    Specifies a value that may be the name of a buffer object.
                </para>
            </listitem>
        </varlistentry>
        </variablelist>
    </refsect1>
    <refsect1 id="description"><title>Description</title>
        <para>
            <function>glIsBuffer</function> returns <constant>GL_TRUE</constant> if <parameter>buffer</parameter> is currently the name of a buffer object.
            If <parameter>buffer</parameter> is zero, or is a non-zero value that is not currently the
            name of a buffer object, or if an error occurs, <function>glIsBuffer</function> returns <constant>GL_FALSE</constant>.
        </para>
        <para>
            A name returned by <citerefentry><refentrytitle>glGenBuffers</refentrytitle></citerefentry>, but not yet associated with a buffer object
            by calling <citerefentry><refentrytitle>glBindBuffer</refentrytitle></citerefentry>, is not the name of a buffer object.
        </para>
    </refsect1>
    <refsect1 id="notes"><title>Notes</title>
        <para>
            <function>glIsBuffer</function> is available only if the GL version is 1.5 or greater.
        </para>
    </refsect1>
    <refsect1 id="errors"><title>Errors</title>
        <para>
            <constant>GL_INVALID_OPERATION</constant> is generated if <function>glIsBuffer</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="seealso"><title>See Also</title>
        <para>
            <citerefentry><refentrytitle>glBindBuffer</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glDeleteBuffers</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glGenBuffers</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glGet</refentrytitle></citerefentry>
        </para>
    </refsect1>
    <refsect1 id="Copyright"><title>Copyright</title>
        <para>
            Copyright <trademark class="copyright"></trademark> 2005 Addison-Wesley. 
            This material may be distributed subject to the terms and conditions set forth in 
            the Open Publication License, v 1.0, 8 June 1999.
            <ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.
        </para>
    </refsect1>
</refentry>
