[clinton/guile-figl.git] / upstream-doc / man4 / glCopyTexImage2D.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
              "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
<refentry id="glCopyTexImage2D">
    <refmeta>
        <refmetainfo>
            <copyright>
                <year>2013</year>
                <holder>Khronos Group</holder>
            </copyright>
        </refmetainfo>
        <refentrytitle>glCopyTexImage2D</refentrytitle>
        <manvolnum>3G</manvolnum>
    </refmeta>
    <refnamediv>
        <refname>glCopyTexImage2D</refname>
        <refpurpose>copy pixels into a 2D texture image</refpurpose>
    </refnamediv>
    <refsynopsisdiv><title>C Specification</title>
        <funcsynopsis>
            <funcprototype>
                <funcdef>void <function>glCopyTexImage2D</function></funcdef>
                <paramdef>GLenum <parameter>target</parameter></paramdef>
                <paramdef>GLint <parameter>level</parameter></paramdef>
                <paramdef>GLenum <parameter>internalformat</parameter></paramdef>
                <paramdef>GLint <parameter>x</parameter></paramdef>
                <paramdef>GLint <parameter>y</parameter></paramdef>
                <paramdef>GLsizei <parameter>width</parameter></paramdef>
                <paramdef>GLsizei <parameter>height</parameter></paramdef>
                <paramdef>GLint <parameter>border</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 target texture.
                    Must be <constant>GL_TEXTURE_2D</constant>,
                    <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,
                    <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,
                    <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,
                    <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>,
                    <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or
                    <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>level</parameter></term>
            <listitem>
                <para>
                    Specifies the level-of-detail number.
                    Level 0 is the base image level.
                    Level <emphasis>n</emphasis> is the <emphasis>n</emphasis>th mipmap reduction image.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>internalformat</parameter></term>
            <listitem>
                <para>
                    Specifies the internal format of the texture.
                    Must be one of the following symbolic constants:
                    <constant>GL_COMPRESSED_RED</constant>,
                    <constant>GL_COMPRESSED_RG</constant>,
                    <constant>GL_COMPRESSED_RGB</constant>,
                    <constant>GL_COMPRESSED_RGBA</constant>.
                    <constant>GL_COMPRESSED_SRGB</constant>,
                    <constant>GL_COMPRESSED_SRGB_ALPHA</constant>.
                    <constant>GL_DEPTH_COMPONENT</constant>,
                    <constant>GL_DEPTH_COMPONENT16</constant>,
                    <constant>GL_DEPTH_COMPONENT24</constant>,
                    <constant>GL_DEPTH_COMPONENT32</constant>,
                    <constant>GL_RED</constant>,
                    <constant>GL_RG</constant>,
                    <constant>GL_RGB</constant>,
                    <constant>GL_R3_G3_B2</constant>,
                    <constant>GL_RGB4</constant>,
                    <constant>GL_RGB5</constant>,
                    <constant>GL_RGB8</constant>,
                    <constant>GL_RGB10</constant>,
                    <constant>GL_RGB12</constant>,
                    <constant>GL_RGB16</constant>,
                    <constant>GL_RGBA</constant>,
                    <constant>GL_RGBA2</constant>,
                    <constant>GL_RGBA4</constant>,
                    <constant>GL_RGB5_A1</constant>,
                    <constant>GL_RGBA8</constant>,
                    <constant>GL_RGB10_A2</constant>,
                    <constant>GL_RGBA12</constant>,
                    <constant>GL_RGBA16</constant>,
                    <constant>GL_SRGB</constant>,
                    <constant>GL_SRGB8</constant>,
                    <constant>GL_SRGB_ALPHA</constant>, or 
                    <constant>GL_SRGB8_ALPHA8</constant>.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>x</parameter></term>
            <term><parameter>y</parameter></term>
            <listitem>
                <para>
                    Specify the window coordinates of the lower left corner
                    of the rectangular region of pixels to be copied.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>width</parameter></term>
            <listitem>
                <para>
                    Specifies the width of the texture image.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>height</parameter></term>
            <listitem>
                <para>
                    Specifies the height of the texture image.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>border</parameter></term>
            <listitem>
                <para>
                    Must be 0.
                </para>
            </listitem>
        </varlistentry>
        </variablelist>
    </refsect1>
    <refsect1 id="description"><title>Description</title>
        <para>
            <function>glCopyTexImage2D</function> defines a two-dimensional texture image, or cube-map texture image
            with pixels from the current
            <constant>GL_READ_BUFFER</constant>.
        </para>
        <para>
            The screen-aligned pixel rectangle with lower left corner at (<parameter>x</parameter>,
            <parameter>y</parameter>) and with a width of 
            <inlineequation><mml:math>
                <mml:mi mathvariant="italic">width</mml:mi>
            </mml:math></inlineequation>
            and a height of
            <inlineequation><mml:math>
                <mml:mi mathvariant="italic">height</mml:mi>
            </mml:math></inlineequation>
            defines the texture array
            at the mipmap level specified by <parameter>level</parameter>.
            <parameter>internalformat</parameter> specifies the internal format of the texture array.
        </para>
        <para>
            The pixels in the rectangle are processed exactly as if
            <citerefentry><refentrytitle>glReadPixels</refentrytitle></citerefentry> had been called, but the process stops just before
            final conversion.
            At this point all pixel component values are clamped to the range 
            <inlineequation><mml:math>
                <!-- eqn: [0,1]: -->
                <mml:mfenced open="[" close="]">
                    <mml:mn>0</mml:mn>
                    <mml:mn>1</mml:mn>
                </mml:mfenced>
            </mml:math></inlineequation>
            and then converted to the texture's internal format for storage in the texel
            array.
        </para>
        <para>
            Pixel ordering is such that lower 
            <inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>
            and 
            <inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>
            screen coordinates correspond to
            lower 
            <inlineequation><mml:math><mml:mi mathvariant="italic">s</mml:mi></mml:math></inlineequation>
            and 
            <inlineequation><mml:math><mml:mi mathvariant="italic">t</mml:mi></mml:math></inlineequation>
            texture coordinates.
        </para>
        <para>
            If any of the pixels within the specified rectangle of the current
            <constant>GL_READ_BUFFER</constant> are outside the window associated with the current
            rendering context, then the values obtained for those pixels are undefined.
        </para>
         <para>
            When <parameter>internalformat</parameter> is one of the sRGB  types, the GL does not automatically convert the source pixels to the sRGB color space.  In this case, the <function>glPixelMap</function> function can be used to accomplish the conversion.
        </para>
    </refsect1>
    <refsect1 id="notes"><title>Notes</title>
        <para>
            1, 2, 3, and 4 are not accepted values for <parameter>internalformat</parameter>.
        </para>
        <para>
            An image with height or width of 0 indicates a NULL texture.
        </para>
    </refsect1>
    <refsect1 id="errors"><title>Errors</title>
        <para>
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not <constant>GL_TEXTURE_2D</constant>,
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>,
            <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or
            <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.
        </para>
        <para>
            <constant>GL_INVALID_VALUE</constant> is generated if <parameter>level</parameter> is less than 0.
        </para>
        <para>
            <constant>GL_INVALID_VALUE</constant> may be generated if <parameter>level</parameter> is greater
            than 
            <inlineequation><mml:math>
                <!-- eqn: log sub 2 max: -->
                <mml:mrow>
                    <mml:msub><mml:mi mathvariant="italic">log</mml:mi>
                    <mml:mn>2</mml:mn>
                    </mml:msub>
                    <mml:mo>&it;</mml:mo>
                    <mml:mi mathvariant="italic">max</mml:mi>
                </mml:mrow>
            </mml:math></inlineequation>,
            where 
            <inlineequation><mml:math><mml:mi mathvariant="italic">max</mml:mi></mml:math></inlineequation>
            is the returned value of <constant>GL_MAX_TEXTURE_SIZE</constant>.
        </para>
        <para>
            <constant>GL_INVALID_VALUE</constant> is generated if <parameter>width</parameter> is less than 0
            or greater than
            <constant>GL_MAX_TEXTURE_SIZE</constant>.
        </para>
        <para>
            <constant>GL_INVALID_VALUE</constant> is generated if <parameter>border</parameter> is not 0.
        </para>
        <para>
            <constant>GL_INVALID_VALUE</constant> is generated if <parameter>internalformat</parameter> is not an
            accepted format.
        </para>
        <para>
            <constant>GL_INVALID_OPERATION</constant> is generated if <parameter>internalformat</parameter> is
            <constant>GL_DEPTH_COMPONENT</constant>, <constant>GL_DEPTH_COMPONENT16</constant>,
            <constant>GL_DEPTH_COMPONENT24</constant>, or <constant>GL_DEPTH_COMPONENT32</constant> and there is no depth
            buffer.
        </para>
    </refsect1>
    <refsect1 id="associatedgets"><title>Associated Gets</title>
        <para>
            <citerefentry><refentrytitle>glGetTexImage</refentrytitle></citerefentry>
        </para>
    </refsect1>
    <refsect1 id="seealso"><title>See Also</title>
        <para>
            <citerefentry><refentrytitle>glCopyTexImage1D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glCopyTexSubImage1D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glCopyTexSubImage2D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glPixelStore</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glTexImage1D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glTexSubImage1D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glTexSubImage2D</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glTexParameter</refentrytitle></citerefentry>
        </para>
    </refsect1>
    <refsect1 id="Copyright"><title>Copyright</title>
        <para>
            Copyright <trademark class="copyright"></trademark> 1991-2006
            Silicon Graphics, Inc.
            Copyright <trademark class="copyright"></trademark> 2012-2013 Khronos Group.
            This document is licensed under the SGI
            Free Software B License. For details, see
            <ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
        </para>
    </refsect1>
</refentry>
Commit	Line	Data
7faf1d71 AW	1	<?xml version="1.0" encoding="UTF-8"?>
	2	<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
	3	"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
	4	<refentry id="glCopyTexImage2D">
	5	<refmeta>
	6	<refmetainfo>
	7	<copyright>
c7b31271 DH	8	<year>2013</year>
c7b31271 DH	9	<holder>Khronos Group</holder>
7faf1d71 AW	10	</copyright>
	11	</refmetainfo>
	12	<refentrytitle>glCopyTexImage2D</refentrytitle>
	13	<manvolnum>3G</manvolnum>
	14	</refmeta>
	15	<refnamediv>
	16	<refname>glCopyTexImage2D</refname>
	17	<refpurpose>copy pixels into a 2D texture image</refpurpose>
	18	</refnamediv>
	19	<refsynopsisdiv><title>C Specification</title>
	20	<funcsynopsis>
	21	<funcprototype>
	22	<funcdef>void <function>glCopyTexImage2D</function></funcdef>
	23	<paramdef>GLenum <parameter>target</parameter></paramdef>
	24	<paramdef>GLint <parameter>level</parameter></paramdef>
	25	<paramdef>GLenum <parameter>internalformat</parameter></paramdef>
	26	<paramdef>GLint <parameter>x</parameter></paramdef>
	27	<paramdef>GLint <parameter>y</parameter></paramdef>
	28	<paramdef>GLsizei <parameter>width</parameter></paramdef>
	29	<paramdef>GLsizei <parameter>height</parameter></paramdef>
	30	<paramdef>GLint <parameter>border</parameter></paramdef>
	31	</funcprototype>
	32	</funcsynopsis>
	33	</refsynopsisdiv>
	34	<!-- eqn: ignoring delim $$ -->
	35	<refsect1 id="parameters"><title>Parameters</title>
	36	<variablelist>
	37	<varlistentry>
	38	<term><parameter>target</parameter></term>
	39	<listitem>
	40	<para>
	41	Specifies the target texture.
	42	Must be <constant>GL_TEXTURE_2D</constant>,
	43	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,
	44	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,
	45	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,
	46	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>,
	47	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or
	48	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.
	49	</para>
	50	</listitem>
	51	</varlistentry>
	52	<varlistentry>
	53	<term><parameter>level</parameter></term>
	54	<listitem>
	55	<para>
	56	Specifies the level-of-detail number.
	57	Level 0 is the base image level.
	58	Level <emphasis>n</emphasis> is the <emphasis>n</emphasis>th mipmap reduction image.
	59	</para>
	60	</listitem>
	61	</varlistentry>
	62	<varlistentry>
	63	<term><parameter>internalformat</parameter></term>
	64	<listitem>
	65	<para>
	66	Specifies the internal format of the texture.
	67	Must be one of the following symbolic constants:
	68	<constant>GL_COMPRESSED_RED</constant>,
	69	<constant>GL_COMPRESSED_RG</constant>,
	70	<constant>GL_COMPRESSED_RGB</constant>,
	71	<constant>GL_COMPRESSED_RGBA</constant>.
	72	<constant>GL_COMPRESSED_SRGB</constant>,
	73	<constant>GL_COMPRESSED_SRGB_ALPHA</constant>.
74	<constant>GL_DEPTH_COMPONENT</constant>,
75	<constant>GL_DEPTH_COMPONENT16</constant>,
76	<constant>GL_DEPTH_COMPONENT24</constant>,
77	<constant>GL_DEPTH_COMPONENT32</constant>,
78	<constant>GL_RED</constant>,
79	<constant>GL_RG</constant>,
80	<constant>GL_RGB</constant>,
81	<constant>GL_R3_G3_B2</constant>,
82	<constant>GL_RGB4</constant>,
83	<constant>GL_RGB5</constant>,
84	<constant>GL_RGB8</constant>,
85	<constant>GL_RGB10</constant>,
86	<constant>GL_RGB12</constant>,
87	<constant>GL_RGB16</constant>,
88	<constant>GL_RGBA</constant>,
89	<constant>GL_RGBA2</constant>,
90	<constant>GL_RGBA4</constant>,
91	<constant>GL_RGB5_A1</constant>,
92	<constant>GL_RGBA8</constant>,
93	<constant>GL_RGB10_A2</constant>,
94	<constant>GL_RGBA12</constant>,
95	<constant>GL_RGBA16</constant>,
96	<constant>GL_SRGB</constant>,
97	<constant>GL_SRGB8</constant>,
98	<constant>GL_SRGB_ALPHA</constant>, or
99	<constant>GL_SRGB8_ALPHA8</constant>.
100	</para>
101	</listitem>
102	</varlistentry>
103	<varlistentry>
104	<term><parameter>x</parameter></term>
105	<term><parameter>y</parameter></term>
106	<listitem>
107	<para>
108	Specify the window coordinates of the lower left corner
109	of the rectangular region of pixels to be copied.
110	</para>
111	</listitem>
112	</varlistentry>
113	<varlistentry>
114	<term><parameter>width</parameter></term>
115	<listitem>
116	<para>
117	Specifies the width of the texture image.
7faf1d71 AW	118	</para>
	119	</listitem>
	120	</varlistentry>
	121	<varlistentry>
	122	<term><parameter>height</parameter></term>
	123	<listitem>
	124	<para>
	125	Specifies the height of the texture image.
7faf1d71 AW	126	</para>
	127	</listitem>
	128	</varlistentry>
	129	<varlistentry>
	130	<term><parameter>border</parameter></term>
	131	<listitem>
	132	<para>
c7b31271	133	Must be 0.
7faf1d71 AW	134	</para>
	135	</listitem>
	136	</varlistentry>
	137	</variablelist>
	138	</refsect1>
	139	<refsect1 id="description"><title>Description</title>
	140	<para>
	141	<function>glCopyTexImage2D</function> defines a two-dimensional texture image, or cube-map texture image
	142	with pixels from the current
	143	<constant>GL_READ_BUFFER</constant>.
	144	</para>
	145	<para>
	146	The screen-aligned pixel rectangle with lower left corner at (<parameter>x</parameter>,
	147	<parameter>y</parameter>) and with a width of
	148	<inlineequation><mml:math>
c7b31271	149	<mml:mi mathvariant="italic">width</mml:mi>
7faf1d71 AW	150	</mml:math></inlineequation>
	151	and a height of
	152	<inlineequation><mml:math>
c7b31271	153	<mml:mi mathvariant="italic">height</mml:mi>
7faf1d71 AW	154	</mml:math></inlineequation>
	155	defines the texture array
	156	at the mipmap level specified by <parameter>level</parameter>.
	157	<parameter>internalformat</parameter> specifies the internal format of the texture array.
	158	</para>
	159	<para>
	160	The pixels in the rectangle are processed exactly as if
	161	<citerefentry><refentrytitle>glReadPixels</refentrytitle></citerefentry> had been called, but the process stops just before
	162	final conversion.
	163	At this point all pixel component values are clamped to the range
	164	<inlineequation><mml:math>
	165	<!-- eqn: [0,1]: -->
	166	<mml:mfenced open="[" close="]">
	167	<mml:mn>0</mml:mn>
	168	<mml:mn>1</mml:mn>
	169	</mml:mfenced>
	170	</mml:math></inlineequation>
	171	and then converted to the texture's internal format for storage in the texel
	172	array.
	173	</para>
	174	<para>
	175	Pixel ordering is such that lower
	176	<inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>
	177	and
	178	<inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>
	179	screen coordinates correspond to
	180	lower
	181	<inlineequation><mml:math><mml:mi mathvariant="italic">s</mml:mi></mml:math></inlineequation>
	182	and
	183	<inlineequation><mml:math><mml:mi mathvariant="italic">t</mml:mi></mml:math></inlineequation>
	184	texture coordinates.
	185	</para>
	186	<para>
	187	If any of the pixels within the specified rectangle of the current
	188	<constant>GL_READ_BUFFER</constant> are outside the window associated with the current
	189	rendering context, then the values obtained for those pixels are undefined.
	190	</para>
	191	<para>
	192	When <parameter>internalformat</parameter> is one of the sRGB types, the GL does not automatically convert the source pixels to the sRGB color space. In this case, the <function>glPixelMap</function> function can be used to accomplish the conversion.
	193	</para>
	194	</refsect1>
	195	<refsect1 id="notes"><title>Notes</title>
	196	<para>
	197	1, 2, 3, and 4 are not accepted values for <parameter>internalformat</parameter>.
	198	</para>
	199	<para>
	200	An image with height or width of 0 indicates a NULL texture.
	201	</para>
	202	</refsect1>
	203	<refsect1 id="errors"><title>Errors</title>
	204	<para>
	205	<constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not <constant>GL_TEXTURE_2D</constant>,
	206	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,
	207	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,
	208	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,
	209	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>,
	210	<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or
	211	<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.
	212	</para>
	213	<para>
	214	<constant>GL_INVALID_VALUE</constant> is generated if <parameter>level</parameter> is less than 0.
	215	</para>
	216	<para>
	217	<constant>GL_INVALID_VALUE</constant> may be generated if <parameter>level</parameter> is greater
218	than
219	<inlineequation><mml:math>
220	<!-- eqn: log sub 2 max: -->
221	<mml:mrow>
222	<mml:msub><mml:mi mathvariant="italic">log</mml:mi>
223	<mml:mn>2</mml:mn>
224	</mml:msub>
225	<mml:mo>⁢</mml:mo>
226	<mml:mi mathvariant="italic">max</mml:mi>
227	</mml:mrow>
228	</mml:math></inlineequation>,
229	where
230	<inlineequation><mml:math><mml:mi mathvariant="italic">max</mml:mi></mml:math></inlineequation>
231	is the returned value of <constant>GL_MAX_TEXTURE_SIZE</constant>.
232	</para>
233	<para>
234	<constant>GL_INVALID_VALUE</constant> is generated if <parameter>width</parameter> is less than 0
235	or greater than
236	<constant>GL_MAX_TEXTURE_SIZE</constant>.
237	</para>
238	<para>
c7b31271	239	<constant>GL_INVALID_VALUE</constant> is generated if <parameter>border</parameter> is not 0.
7faf1d71 AW	240	</para>
	241	<para>
	242	<constant>GL_INVALID_VALUE</constant> is generated if <parameter>internalformat</parameter> is not an
	243	accepted format.
	244	</para>
	245	<para>
	246	<constant>GL_INVALID_OPERATION</constant> is generated if <parameter>internalformat</parameter> is
	247	<constant>GL_DEPTH_COMPONENT</constant>, <constant>GL_DEPTH_COMPONENT16</constant>,
	248	<constant>GL_DEPTH_COMPONENT24</constant>, or <constant>GL_DEPTH_COMPONENT32</constant> and there is no depth
	249	buffer.
	250	</para>
	251	</refsect1>
	252	<refsect1 id="associatedgets"><title>Associated Gets</title>
	253	<para>
	254	<citerefentry><refentrytitle>glGetTexImage</refentrytitle></citerefentry>
	255	</para>
	256	</refsect1>
	257	<refsect1 id="seealso"><title>See Also</title>
	258	<para>
	259	<citerefentry><refentrytitle>glCopyTexImage1D</refentrytitle></citerefentry>,
	260	<citerefentry><refentrytitle>glCopyTexSubImage1D</refentrytitle></citerefentry>,
	261	<citerefentry><refentrytitle>glCopyTexSubImage2D</refentrytitle></citerefentry>,
	262	<citerefentry><refentrytitle>glPixelStore</refentrytitle></citerefentry>,
	263	<citerefentry><refentrytitle>glTexImage1D</refentrytitle></citerefentry>,
	264	<citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>,
	265	<citerefentry><refentrytitle>glTexSubImage1D</refentrytitle></citerefentry>,
	266	<citerefentry><refentrytitle>glTexSubImage2D</refentrytitle></citerefentry>,
	267	<citerefentry><refentrytitle>glTexParameter</refentrytitle></citerefentry>
	268	</para>
	269	</refsect1>
	270	<refsect1 id="Copyright"><title>Copyright</title>
	271	<para>
	272	Copyright <trademark class="copyright"></trademark> 1991-2006
c7b31271 DH	273	Silicon Graphics, Inc.
	274	Copyright <trademark class="copyright"></trademark> 2012-2013 Khronos Group.
	275	This document is licensed under the SGI
7faf1d71 AW	276	Free Software B License. For details, see
	277	<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
	278	</para>
	279	</refsect1>
	280	</refentry>