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<refentry id="glDetachShader">
    <refmeta>
	<refentrytitle>glDetachShader</refentrytitle>
	<manvolnum>3G</manvolnum>
    </refmeta>
    <refnamediv>
	<refname>glDetachShader</refname>
	<refpurpose>Detaches a shader object from a program object to which it is attached</refpurpose>
    </refnamediv>
    <refsynopsisdiv><title>C Specification</title>
	<funcsynopsis>
	    <funcprototype>
		<funcdef>void <function>glDetachShader</function></funcdef>
		<paramdef>GLuint <parameter>program</parameter></paramdef>
		<paramdef>GLuint <parameter>shader</parameter></paramdef>
	    </funcprototype>
	</funcsynopsis>
    </refsynopsisdiv>
    <refsect1 id="parameters"><title>Parameters</title>
	<variablelist>
	    <varlistentry>
		<term><parameter>program</parameter></term>
		<listitem>
		    <para>Specifies the program object from which to
		    detach the shader object.</para>
		</listitem>
	    </varlistentry>
	    <varlistentry>
		<term><parameter>shader</parameter></term>
		<listitem>
		    <para>Specifies the shader object to be
		    detached.</para>
		</listitem>
	    </varlistentry>
	</variablelist>
    </refsect1>
    <refsect1 id="description"><title>Description</title>
	<para><function>glDetachShader</function> detaches the shader
	object specified by <parameter>shader</parameter> from the
	program object specified by <parameter>program</parameter>. This
	command can be used to undo the effect of the command
	<citerefentry><refentrytitle>glAttachShader</refentrytitle></citerefentry>.</para>

	<para>If <parameter>shader</parameter> has already been flagged
	for deletion by a call to
	<citerefentry><refentrytitle>glDeleteShader</refentrytitle></citerefentry>
	and it is not attached to any other program object, it will be
	deleted after it has been detached.</para>
    </refsect1>
    <refsect1 id="notes"><title>Notes</title>
	<para><function>glDetachShader</function> is available only if
	the GL version is 2.0 or greater.</para>
    </refsect1>
    <refsect1 id="errors"><title>Errors</title>
	<para><constant>GL_INVALID_VALUE</constant> is generated if either
	<parameter>program</parameter> or <parameter>shader</parameter>
	is a value that was not generated by OpenGL.</para>

	<para><constant>GL_INVALID_OPERATION</constant> is generated if
	<parameter>program</parameter> is not a program object.</para>

	<para><constant>GL_INVALID_OPERATION</constant> is generated if
	<parameter>shader</parameter> is not a shader object.</para>

	<para><constant>GL_INVALID_OPERATION</constant> is generated if
	<parameter>shader</parameter> is not attached to
	<parameter>program</parameter>.</para>

	<para><constant>GL_INVALID_OPERATION</constant> is generated if
	<function>glDetachShader</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>glGetAttachedShaders</refentrytitle></citerefentry>
	with the handle of a valid program object</para>

	<para><citerefentry><refentrytitle>glGetShader</refentrytitle></citerefentry>
	with arguments <parameter>shader</parameter> and
	<constant>GL_DELETE_STATUS</constant></para>

	<para><citerefentry><refentrytitle>glIsProgram</refentrytitle></citerefentry></para>

	<para><citerefentry><refentrytitle>glIsShader</refentrytitle></citerefentry></para>
    </refsect1>
    <refsect1 id="seealso"><title>See Also</title>
	<para><citerefentry><refentrytitle>glAttachShader</refentrytitle></citerefentry></para>
    </refsect1>
    <refsect1 id="Copyright"><title>Copyright</title>
        <para>
            Copyright <trademark class="copyright"></trademark> 2003-2005 3Dlabs Inc. Ltd. 
            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>
