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<refentry id="glFramebufferTextureFace">
    <refmeta>
        <refmetainfo>
            <copyright>
                <year>2010</year>
                <holder>Khronos Group</holder>
            </copyright>
        </refmetainfo>
        <refentrytitle>glFramebufferTextureFace</refentrytitle>
        <manvolnum>3G</manvolnum>
    </refmeta>
    <refnamediv>
        <refname>glFramebufferTextureFace</refname>
        <refpurpose>attach a face of a cube map texture as a logical buffer to the currently bound framebuffer</refpurpose>
    </refnamediv>
    <refsynopsisdiv><title>C Specification</title>
        <funcsynopsis>
            <funcprototype>
                <funcdef>void <function>glFramebufferTextureFace</function></funcdef>
                <paramdef>GLenum <parameter>target</parameter></paramdef>
                <paramdef>GLenum <parameter>attachment</parameter></paramdef>
                <paramdef>GLuint <parameter>texture</parameter></paramdef>
                <paramdef>GLint <parameter>level</parameter></paramdef>
                <paramdef>GLenum <parameter>face</parameter></paramdef>
            </funcprototype>
        </funcsynopsis>
    </refsynopsisdiv>
    <!-- eqn: ignoring delim $$ -->
    <refsect1 id="parameters"><title>Parameters</title>
        <variablelist>
        <varlistentry>
            <term><parameter>target</parameter></term>
            <listitem>
                <para>
                    Specifies the framebuffer target. <parameter>target</parameter> must be <constant>GL_DRAW_FRAMEBUFFER</constant>,
                    <constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>. <constant>GL_FRAMEBUFFER</constant>
                    is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>attachment</parameter></term>
            <listitem>
                <para>
                    Specifies the attachment point of the framebuffer. <parameter>attachment</parameter> must be
                    <constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,
                    <constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMMENT</constant>.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>texture</parameter></term>
            <listitem>
                <para>
                    Specifies the texture object to attach to the framebuffer attachment point named by <parameter>attachment</parameter>.
                    <parameter>texture</parameter> must be the name of an existing cube-map texture.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>level</parameter></term>
            <listitem>
                <para>
                    Specifies the mipmap level of <parameter>texture</parameter> to attach.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>face</parameter></term>
            <listitem>
                <para>
                    Specifies the face of <parameter>texture</parameter> to attach.
                </para>
            </listitem>
        </varlistentry>
        </variablelist>
    </refsect1>
    <refsect1 id="description"><title>Description</title>
        <para>
            <function>glFramebufferTextureFace</function> operates like <citerefentry><refentrytitle>glFramebufferTexture</refentrytitle></citerefentry>,
            except that only a single face of a cube map texture, given by <parameter>face</parameter>, is attached to the attachment point.
            <parameter>face</parameter> must be <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>,
            or <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>. <parameter>texture</parameter> must either be zero, or the name of an existing cube map texture.
        </para>
    </refsect1>
    <refsect1 id="errors"><title>Errors</title>
        <para>
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not one of the accepted tokens.
        </para>
        <para>
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>attachment</parameter> is not one of the accepted tokens.
        </para>
        <para>
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>face</parameter> is not one of the accepted tokens.
        </para>
        <para>
            <constant>GL_INVALID_OPERATION</constant> is generated if zero is bound to <parameter>target</parameter>.
        </para>
        <para>
            <constant>GL_INVALID_OPERATION</constant> is generated if <parameter>texture</parameter> is not zero or the name of an existing cube map texture.
        </para>
    </refsect1>
    <refsect1 id="seealso"><title>See Also</title>
        <para>
            <citerefentry><refentrytitle>glGenFramebuffers</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glBindFramebuffer</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glGenRenderbuffers</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glFramebufferTexture</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glFramebufferTextureLayer</refentrytitle></citerefentry>
        </para>
    </refsect1>
    <refsect1 id="Copyright"><title>Copyright</title>
        <para>
            Copyright <trademark class="copyright"></trademark> 2010 Khronos Group. 
            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>
