[clinton/guile-figl.git] / upstream-doc / man3 / glFramebufferTexture.xml

<?xml version="1.0" encoding="UTF-8"?>\r
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"\r
              "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">\r
<refentry id="glFramebufferTexture">\r
    <refmeta>\r
        <refmetainfo>\r
            <copyright>\r
                <year>2010</year>\r
                <holder>Khronos Group</holder>\r
            </copyright>\r
        </refmetainfo>\r
        <refentrytitle>glFramebufferTexture</refentrytitle>\r
        <manvolnum>3G</manvolnum>\r
    </refmeta>\r
    <refnamediv>\r
        <refname>glFramebufferTexture</refname>\r
        <refpurpose>attach a level of a texture object as a logical buffer to the currently bound framebuffer object</refpurpose>\r
    </refnamediv>\r
    <refsynopsisdiv><title>C Specification</title>\r
        <funcsynopsis>\r
            <funcprototype>\r
                <funcdef>void <function>glFramebufferTexture</function></funcdef>\r
                <paramdef>GLenum <parameter>target</parameter></paramdef>\r
                <paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
                <paramdef>GLuint <parameter>texture</parameter></paramdef>\r
                <paramdef>GLint <parameter>level</parameter></paramdef>\r
            </funcprototype>\r
            <funcprototype>\r
                <funcdef>void <function>glFramebufferTexture1D</function></funcdef>\r
                <paramdef>GLenum <parameter>target</parameter></paramdef>\r
                <paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
                <paramdef>GLenum <parameter>textarget</parameter></paramdef>\r
                <paramdef>GLuint <parameter>texture</parameter></paramdef>\r
                <paramdef>GLint <parameter>level</parameter></paramdef>\r
            </funcprototype>\r
            <funcprototype>\r
                <funcdef>void <function>glFramebufferTexture2D</function></funcdef>\r
                <paramdef>GLenum <parameter>target</parameter></paramdef>\r
                <paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
                <paramdef>GLenum <parameter>textarget</parameter></paramdef>\r
                <paramdef>GLuint <parameter>texture</parameter></paramdef>\r
                <paramdef>GLint <parameter>level</parameter></paramdef>\r
            </funcprototype>\r
            <funcprototype>\r
                <funcdef>void <function>glFramebufferTexture3D</function></funcdef>\r
                <paramdef>GLenum <parameter>target</parameter></paramdef>\r
                <paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
                <paramdef>GLenum <parameter>textarget</parameter></paramdef>\r
                <paramdef>GLuint <parameter>texture</parameter></paramdef>\r
                <paramdef>GLint <parameter>level</parameter></paramdef>\r
                <paramdef>GLint <parameter>layer</parameter></paramdef>\r
            </funcprototype>\r
        </funcsynopsis>\r
    </refsynopsisdiv>\r
    <!-- eqn: ignoring delim $$ -->\r
    <refsect1 id="parameters"><title>Parameters</title>\r
        <variablelist>\r
        <varlistentry>\r
            <term><parameter>target</parameter></term>\r
            <listitem>\r
                <para>\r
                    Specifies the framebuffer target. <parameter>target</parameter> must be <constant>GL_DRAW_FRAMEBUFFER</constant>,\r
                    <constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>. <constant>GL_FRAMEBUFFER</constant>\r
                    is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.\r
                </para>\r
            </listitem>\r
        </varlistentry>\r
        <varlistentry>\r
            <term><parameter>attachment</parameter></term>\r
            <listitem>\r
                <para>\r
                    Specifies the attachment point of the framebuffer. <parameter>attachment</parameter> must be\r
                    <constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,\r
                    <constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMMENT</constant>.\r
                </para>\r
            </listitem>\r
        </varlistentry>\r
        <varlistentry>\r
            <term><parameter>textarget</parameter></term>\r
            <listitem>\r
                <para>\r
                    For <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function> and\r
                    <function>glFramebufferTexture3D</function>, specifies what type of texture is expected\r
                    in the <parameter>texture</parameter> parameter, or for cube map textures, which face is to be attached.\r
                </para>\r
            </listitem>\r
        </varlistentry>\r
        <varlistentry>\r
            <term><parameter>texture</parameter></term>\r
            <listitem>\r
                <para>\r
                    Specifies the texture object to attach to the framebuffer attachment point named by <parameter>attachment</parameter>.\r
                </para>\r
            </listitem>\r
        </varlistentry>\r
        <varlistentry>\r
            <term><parameter>level</parameter></term>\r
            <listitem>\r
                <para>\r
                    Specifies the mipmap level of <parameter>texture</parameter> to attach.\r
                </para>\r
            </listitem>\r
        </varlistentry>\r
        </variablelist>\r
    </refsect1>\r
    <refsect1 id="description"><title>Description</title>\r
        <para>\r
            <function>glFramebufferTexture</function>, <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function>,\r
            and <function>glFramebufferTexture</function> attach a selected mipmap level or image of a texture object as one of the\r
            logical buffers of the framebuffer object currently bound to <parameter>target</parameter>. <parameter>target</parameter> must\r
            be <constant>GL_DRAW_FRAMEBUFFER</constant>, <constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>.\r
            <constant>GL_FRAMEBUFFER</constant> is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.\r
        </para>\r
        <para>\r
            <parameter>attachment</parameter> specifies the logical attachment of the framebuffer and must be\r
            <constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,\r
            <constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMMENT</constant>.\r
            <emphasis>i</emphasis> in <constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant> may range from zero to\r
            the value of <constant>GL_MAX_COLOR_ATTACHMENTS</constant> - 1. Attaching a level of a texture to\r
            <constant>GL_DEPTH_STENCIL_ATTACHMENT</constant> is equivalent to attaching that level to both the\r
            <constant>GL_DEPTH_ATTACHMENT</constant> <emphasis>and</emphasis> the <constant>GL_STENCIL_ATTACHMENT</constant>\r
            attachment points simultaneously.\r
        </para>\r
        <para>\r
            <parameter>textarget</parameter> specifies what type of texture is named by <parameter>texture</parameter>, and for\r
            cube map textures, specifies the face that is to be attached. If <parameter>texture</parameter> is not zero, it\r
            must be the name of an existing texture with type <parameter>textarget</parameter>, unless it is a cube map\r
            texture, in which case <parameter>textarget</parameter> must be <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.\r
        </para>\r
        <para>\r
            If <parameter>texture</parameter> is non-zero, the specified <parameter>level</parameter> of the texture object named\r
            <parameter>texture</parameter> is attached to the framebfufer attachment point named by <parameter>attachment</parameter>.\r
            For <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function>, and\r
            <function>glFramebufferTexture3D</function>, <parameter>texture</parameter> must be zero or the name of an existing\r
            texture with a target of <parameter>textarget</parameter>, or <parameter>texture</parameter> must be the name\r
            of an existing cube-map texture and <parameter>textarget</parameter> must be one of <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, or\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.\r
        </para>\r
        <para>\r
            If  <parameter>textarget</parameter> is  <constant>GL_TEXTURE_RECTANGLE</constant>, <constant>GL_TEXTURE_2D_MULTISAMPLE</constant>,\r
            or <constant>GL_TEXTURE_2D_MULTISAMPLE_ARRAY</constant>, then <parameter>level</parameter> must be zero. If <parameter>textarget</parameter>\r
            is <constant>GL_TEXTURE_3D</constant>, then level must be greater than or equal to zero and less than or equal to log<subscript>2</subscript>\r
            of the value of <constant>GL_MAX_3D_TEXTURE_SIZE</constant>. If <parameter>textarget</parameter> is one of <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, or <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>, then <parameter>level</parameter> must be greater\r
            than or equal to zero and less than or equal to log<subscript>2</subscript> of the value of <constant>GL_MAX_CUBE_MAP_TEXTURE_SIZE</constant>. For all other\r
            values of <parameter>textarget</parameter>, <parameter>level</parameter> must be greater than or equal to zero and no larger than log<subscript>2</subscript>\r
            of the value of <constant>GL_MAX_TEXTURE_SIZE</constant>.\r
        </para>\r
        <para>\r
            <parameter>layer</parameter> specifies the layer of a 2-dimensional image within a 3-dimensional texture.\r
        </para>\r
        <para>\r
            For <function>glFramebufferTexture1D</function>, if <parameter>texture</parameter> is not zero, then <parameter>textarget</parameter> must\r
            be <constant>GL_TEXTURE_1D</constant>. For <function>glFramebufferTexture2D</function>, if <parameter>texture</parameter> is not zero,\r
            <parameter>textarget</parameter> must be one of <constant>GL_TEXTURE_2D</constant>, <constant>GL_TEXTURE_RECTANGLE</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>,\r
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>, or\r
            <constant>GL_TEXTURE_2D_MULTISAMPLE</constant>. For <function>glFramebufferTexture3D</function>, if <parameter>texture</parameter> is\r
            not zero, then <parameter>textarget</parameter> must be <constant>GL_TEXTURE_3D</constant>.\r
        </para>\r
    </refsect1>\r
    <refsect1 id="notes"><title>Notes</title>\r
        <para>\r
            <function>glFramebufferTexture</function> is available only if the GL version is 3.2 or greater.\r
        </para>\r
    </refsect1>\r
    <refsect1 id="errors"><title>Errors</title>\r
        <para>\r
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not one of the accepted tokens.\r
        </para>\r
        <para>\r
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>renderbuffertarget</parameter> is not <constant>GL_RENDERBUFFER</constant>.\r
        </para>\r
        <para>\r
            <constant>GL_INVALID_OPERATION</constant> is generated if zero is bound to <parameter>target</parameter>.\r
        </para>\r
        <para>\r
            <constant>GL_INVALID_OPERATION</constant> is generated if <parameter>textarget</parameter> and <parameter>texture</parameter>\r
            are not compatible.\r
        </para>\r
    </refsect1>\r
    <refsect1 id="seealso"><title>See Also</title>\r
        <para>\r
            <citerefentry><refentrytitle>glGenFramebuffers</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>glBindFramebuffer</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>glGenRenderbuffers</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>glFramebufferTexture</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>glFramebufferTexture1D</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>glFramebufferTexture2D</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>glFramebufferTexture3D</refentrytitle></citerefentry>\r
        </para>\r
    </refsect1>\r
    <refsect1 id="Copyright"><title>Copyright</title>\r
        <para>\r
            Copyright <trademark class="copyright"></trademark> 2010 Khronos Group. \r
            This material may be distributed subject to the terms and conditions set forth in \r
            the Open Publication License, v 1.0, 8 June 1999.\r
            <ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.\r
        </para>\r
    </refsect1>\r
</refentry>\r
Commit	Line	Data
7faf1d71 AW	1	<?xml version="1.0" encoding="UTF-8"?>\r
	2	<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"\r
	3	"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">\r
	4	<refentry id="glFramebufferTexture">\r
	5	<refmeta>\r
	6	<refmetainfo>\r
	7	<copyright>\r
	8	<year>2010</year>\r
	9	<holder>Khronos Group</holder>\r
	10	</copyright>\r
	11	</refmetainfo>\r
	12	<refentrytitle>glFramebufferTexture</refentrytitle>\r
	13	<manvolnum>3G</manvolnum>\r
	14	</refmeta>\r
	15	<refnamediv>\r
	16	<refname>glFramebufferTexture</refname>\r
	17	<refpurpose>attach a level of a texture object as a logical buffer to the currently bound framebuffer object</refpurpose>\r
	18	</refnamediv>\r
	19	<refsynopsisdiv><title>C Specification</title>\r
	20	<funcsynopsis>\r
	21	<funcprototype>\r
	22	<funcdef>void <function>glFramebufferTexture</function></funcdef>\r
	23	<paramdef>GLenum <parameter>target</parameter></paramdef>\r
	24	<paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
	25	<paramdef>GLuint <parameter>texture</parameter></paramdef>\r
	26	<paramdef>GLint <parameter>level</parameter></paramdef>\r
	27	</funcprototype>\r
	28	<funcprototype>\r
	29	<funcdef>void <function>glFramebufferTexture1D</function></funcdef>\r
	30	<paramdef>GLenum <parameter>target</parameter></paramdef>\r
	31	<paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
	32	<paramdef>GLenum <parameter>textarget</parameter></paramdef>\r
	33	<paramdef>GLuint <parameter>texture</parameter></paramdef>\r
	34	<paramdef>GLint <parameter>level</parameter></paramdef>\r
	35	</funcprototype>\r
	36	<funcprototype>\r
	37	<funcdef>void <function>glFramebufferTexture2D</function></funcdef>\r
	38	<paramdef>GLenum <parameter>target</parameter></paramdef>\r
	39	<paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
	40	<paramdef>GLenum <parameter>textarget</parameter></paramdef>\r
	41	<paramdef>GLuint <parameter>texture</parameter></paramdef>\r
	42	<paramdef>GLint <parameter>level</parameter></paramdef>\r
	43	</funcprototype>\r
	44	<funcprototype>\r
	45	<funcdef>void <function>glFramebufferTexture3D</function></funcdef>\r
	46	<paramdef>GLenum <parameter>target</parameter></paramdef>\r
	47	<paramdef>GLenum <parameter>attachment</parameter></paramdef>\r
	48	<paramdef>GLenum <parameter>textarget</parameter></paramdef>\r
	49	<paramdef>GLuint <parameter>texture</parameter></paramdef>\r
	50	<paramdef>GLint <parameter>level</parameter></paramdef>\r
	51	<paramdef>GLint <parameter>layer</parameter></paramdef>\r
	52	</funcprototype>\r
	53	</funcsynopsis>\r
	54	</refsynopsisdiv>\r
	55	<!-- eqn: ignoring delim $$ -->\r
	56	<refsect1 id="parameters"><title>Parameters</title>\r
	57	<variablelist>\r
	58	<varlistentry>\r
	59	<term><parameter>target</parameter></term>\r
	60	<listitem>\r
	61	<para>\r
	62	Specifies the framebuffer target. <parameter>target</parameter> must be <constant>GL_DRAW_FRAMEBUFFER</constant>,\r
	63	<constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>. <constant>GL_FRAMEBUFFER</constant>\r
	64	is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.\r
65	</para>\r
66	</listitem>\r
67	</varlistentry>\r
68	<varlistentry>\r
69	<term><parameter>attachment</parameter></term>\r
70	<listitem>\r
71	<para>\r
72	Specifies the attachment point of the framebuffer. <parameter>attachment</parameter> must be\r
73	<constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,\r
74	<constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMMENT</constant>.\r
75	</para>\r
76	</listitem>\r
77	</varlistentry>\r
78	<varlistentry>\r
79	<term><parameter>textarget</parameter></term>\r
80	<listitem>\r
81	<para>\r
82	For <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function> and\r
83	<function>glFramebufferTexture3D</function>, specifies what type of texture is expected\r
84	in the <parameter>texture</parameter> parameter, or for cube map textures, which face is to be attached.\r
85	</para>\r
86	</listitem>\r
87	</varlistentry>\r
88	<varlistentry>\r
89	<term><parameter>texture</parameter></term>\r
90	<listitem>\r
91	<para>\r
92	Specifies the texture object to attach to the framebuffer attachment point named by <parameter>attachment</parameter>.\r
93	</para>\r
94	</listitem>\r
95	</varlistentry>\r
96	<varlistentry>\r
97	<term><parameter>level</parameter></term>\r
98	<listitem>\r
99	<para>\r
100	Specifies the mipmap level of <parameter>texture</parameter> to attach.\r
101	</para>\r
102	</listitem>\r
103	</varlistentry>\r
104	</variablelist>\r
105	</refsect1>\r
106	<refsect1 id="description"><title>Description</title>\r
107	<para>\r
108	<function>glFramebufferTexture</function>, <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function>,\r
109	and <function>glFramebufferTexture</function> attach a selected mipmap level or image of a texture object as one of the\r
110	logical buffers of the framebuffer object currently bound to <parameter>target</parameter>. <parameter>target</parameter> must\r
111	be <constant>GL_DRAW_FRAMEBUFFER</constant>, <constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>.\r
112	<constant>GL_FRAMEBUFFER</constant> is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.\r
113	</para>\r
114	<para>\r
115	<parameter>attachment</parameter> specifies the logical attachment of the framebuffer and must be\r
116	<constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,\r
117	<constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMMENT</constant>.\r
118	<emphasis>i</emphasis> in <constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant> may range from zero to\r
119	the value of <constant>GL_MAX_COLOR_ATTACHMENTS</constant> - 1. Attaching a level of a texture to\r
120	<constant>GL_DEPTH_STENCIL_ATTACHMENT</constant> is equivalent to attaching that level to both the\r
121	<constant>GL_DEPTH_ATTACHMENT</constant> <emphasis>and</emphasis> the <constant>GL_STENCIL_ATTACHMENT</constant>\r
122	attachment points simultaneously.\r
123	</para>\r
124	<para>\r
125	<parameter>textarget</parameter> specifies what type of texture is named by <parameter>texture</parameter>, and for\r
126	cube map textures, specifies the face that is to be attached. If <parameter>texture</parameter> is not zero, it\r
127	must be the name of an existing texture with type <parameter>textarget</parameter>, unless it is a cube map\r
128	texture, in which case <parameter>textarget</parameter> must be <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>\r
129	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,\r
130	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or\r
131	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.\r
132	</para>\r
133	<para>\r
134	If <parameter>texture</parameter> is non-zero, the specified <parameter>level</parameter> of the texture object named\r
135	<parameter>texture</parameter> is attached to the framebfufer attachment point named by <parameter>attachment</parameter>.\r
136	For <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function>, and\r
137	<function>glFramebufferTexture3D</function>, <parameter>texture</parameter> must be zero or the name of an existing\r
138	texture with a target of <parameter>textarget</parameter>, or <parameter>texture</parameter> must be the name\r
139	of an existing cube-map texture and <parameter>textarget</parameter> must be one of <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,\r
140	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>,\r
141	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, or\r
142	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.\r
143	</para>\r
144	<para>\r
145	If <parameter>textarget</parameter> is <constant>GL_TEXTURE_RECTANGLE</constant>, <constant>GL_TEXTURE_2D_MULTISAMPLE</constant>,\r
146	or <constant>GL_TEXTURE_2D_MULTISAMPLE_ARRAY</constant>, then <parameter>level</parameter> must be zero. If <parameter>textarget</parameter>\r
147	is <constant>GL_TEXTURE_3D</constant>, then level must be greater than or equal to zero and less than or equal to log<subscript>2</subscript>\r
148	of the value of <constant>GL_MAX_3D_TEXTURE_SIZE</constant>. If <parameter>textarget</parameter> is one of <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,\r
149	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,\r
150	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, or <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>, then <parameter>level</parameter> must be greater\r
151	than or equal to zero and less than or equal to log<subscript>2</subscript> of the value of <constant>GL_MAX_CUBE_MAP_TEXTURE_SIZE</constant>. For all other\r
152	values of <parameter>textarget</parameter>, <parameter>level</parameter> must be greater than or equal to zero and no larger than log<subscript>2</subscript>\r
153	of the value of <constant>GL_MAX_TEXTURE_SIZE</constant>.\r
154	</para>\r
155	<para>\r
156	<parameter>layer</parameter> specifies the layer of a 2-dimensional image within a 3-dimensional texture.\r
157	</para>\r
158	<para>\r
159	For <function>glFramebufferTexture1D</function>, if <parameter>texture</parameter> is not zero, then <parameter>textarget</parameter> must\r
160	be <constant>GL_TEXTURE_1D</constant>. For <function>glFramebufferTexture2D</function>, if <parameter>texture</parameter> is not zero,\r
161	<parameter>textarget</parameter> must be one of <constant>GL_TEXTURE_2D</constant>, <constant>GL_TEXTURE_RECTANGLE</constant>,\r
162	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>,\r
163	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>, or\r
164	<constant>GL_TEXTURE_2D_MULTISAMPLE</constant>. For <function>glFramebufferTexture3D</function>, if <parameter>texture</parameter> is\r
165	not zero, then <parameter>textarget</parameter> must be <constant>GL_TEXTURE_3D</constant>.\r
166	</para>\r
167	</refsect1>\r
168	<refsect1 id="notes"><title>Notes</title>\r
169	<para>\r
170	<function>glFramebufferTexture</function> is available only if the GL version is 3.2 or greater.\r
171	</para>\r
172	</refsect1>\r
173	<refsect1 id="errors"><title>Errors</title>\r
174	<para>\r
175	<constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not one of the accepted tokens.\r
176	</para>\r
177	<para>\r
178	<constant>GL_INVALID_ENUM</constant> is generated if <parameter>renderbuffertarget</parameter> is not <constant>GL_RENDERBUFFER</constant>.\r
179	</para>\r
180	<para>\r
181	<constant>GL_INVALID_OPERATION</constant> is generated if zero is bound to <parameter>target</parameter>.\r
182	</para>\r
183	<para>\r
184	<constant>GL_INVALID_OPERATION</constant> is generated if <parameter>textarget</parameter> and <parameter>texture</parameter>\r
185	are not compatible.\r
186	</para>\r
187	</refsect1>\r
188	<refsect1 id="seealso"><title>See Also</title>\r
189	<para>\r
190	<citerefentry><refentrytitle>glGenFramebuffers</refentrytitle></citerefentry>,\r
191	<citerefentry><refentrytitle>glBindFramebuffer</refentrytitle></citerefentry>,\r
192	<citerefentry><refentrytitle>glGenRenderbuffers</refentrytitle></citerefentry>,\r
193	<citerefentry><refentrytitle>glFramebufferTexture</refentrytitle></citerefentry>,\r
194	<citerefentry><refentrytitle>glFramebufferTexture1D</refentrytitle></citerefentry>,\r
195	<citerefentry><refentrytitle>glFramebufferTexture2D</refentrytitle></citerefentry>,\r
196	<citerefentry><refentrytitle>glFramebufferTexture3D</refentrytitle></citerefentry>\r
197	</para>\r
198	</refsect1>\r
199	<refsect1 id="Copyright"><title>Copyright</title>\r
200	<para>\r
201	Copyright <trademark class="copyright"></trademark> 2010 Khronos Group. \r
202	This material may be distributed subject to the terms and conditions set forth in \r
203	the Open Publication License, v 1.0, 8 June 1999.\r
204	<ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.\r
205	</para>\r
206	</refsect1>\r
207	</refentry>\r