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3.3 Reference Pages
</title><meta name=
"generator" content=
"DocBook XSL Stylesheets V1.69.1" /></head><body><div class=
"refentry" lang=
"en" xml:
lang=
"en"><a id=
"glFramebufferTexture"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glFramebufferTexture — attach a level of a texture object as a logical buffer to the currently bound framebuffer object
</p></div><div class=
"refsynopsisdiv"><h2>C Specification
</h2><div class=
"funcsynopsis"><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0" style=
"padding-bottom: 1em"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glFramebufferTexture
</b>(
</code></td><td>GLenum
</td><td><var class=
"pdparam">target
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">attachment
</var>,
</td></tr><tr><td> </td><td>GLuint
</td><td><var class=
"pdparam">texture
</var>,
</td></tr><tr><td> </td><td>GLint
</td><td><var class=
"pdparam">level
</var><code>)
</code>;
</td></tr></table><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0" style=
"padding-bottom: 1em"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glFramebufferTexture1D
</b>(
</code></td><td>GLenum
</td><td><var class=
"pdparam">target
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">attachment
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">textarget
</var>,
</td></tr><tr><td> </td><td>GLuint
</td><td><var class=
"pdparam">texture
</var>,
</td></tr><tr><td> </td><td>GLint
</td><td><var class=
"pdparam">level
</var><code>)
</code>;
</td></tr></table><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0" style=
"padding-bottom: 1em"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glFramebufferTexture2D
</b>(
</code></td><td>GLenum
</td><td><var class=
"pdparam">target
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">attachment
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">textarget
</var>,
</td></tr><tr><td> </td><td>GLuint
</td><td><var class=
"pdparam">texture
</var>,
</td></tr><tr><td> </td><td>GLint
</td><td><var class=
"pdparam">level
</var><code>)
</code>;
</td></tr></table><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glFramebufferTexture3D
</b>(
</code></td><td>GLenum
</td><td><var class=
"pdparam">target
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">attachment
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">textarget
</var>,
</td></tr><tr><td> </td><td>GLuint
</td><td><var class=
"pdparam">texture
</var>,
</td></tr><tr><td> </td><td>GLint
</td><td><var class=
"pdparam">level
</var>,
</td></tr><tr><td> </td><td>GLint
</td><td><var class=
"pdparam">layer
</var><code>)
</code>;
</td></tr></table></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"parameters"></a><h2>Parameters
</h2><div class=
"variablelist"><dl><dt><span class=
"term"><em class=
"parameter"><code>target
</code></em></span></dt><dd><p>
5 Specifies the framebuffer target.
<em class=
"parameter"><code>target
</code></em> must be
<code class=
"constant">GL_DRAW_FRAMEBUFFER
</code>,
6 <code class=
"constant">GL_READ_FRAMEBUFFER
</code>, or
<code class=
"constant">GL_FRAMEBUFFER
</code>.
<code class=
"constant">GL_FRAMEBUFFER
</code>
7 is equivalent to
<code class=
"constant">GL_DRAW_FRAMEBUFFER
</code>.
8 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>attachment
</code></em></span></dt><dd><p>
9 Specifies the attachment point of the framebuffer.
<em class=
"parameter"><code>attachment
</code></em> must be
10 <code class=
"constant">GL_COLOR_ATTACHMENT
<span class=
"emphasis"><em>i
</em></span></code>,
<code class=
"constant">GL_DEPTH_ATTACHMENT
</code>,
11 <code class=
"constant">GL_STENCIL_ATTACHMENT
</code> or
<code class=
"constant">GL_DEPTH_STENCIL_ATTACHMENT
</code>.
12 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>textarget
</code></em></span></dt><dd><p>
13 For
<code class=
"function">glFramebufferTexture1D
</code>,
<code class=
"function">glFramebufferTexture2D
</code> and
14 <code class=
"function">glFramebufferTexture3D
</code>, specifies what type of texture is expected
15 in the
<em class=
"parameter"><code>texture
</code></em> parameter, or for cube map textures, which face is to be attached.
16 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>texture
</code></em></span></dt><dd><p>
17 Specifies the texture object to attach to the framebuffer attachment point named by
<em class=
"parameter"><code>attachment
</code></em>.
18 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>level
</code></em></span></dt><dd><p>
19 Specifies the mipmap level of
<em class=
"parameter"><code>texture
</code></em> to attach.
20 </p></dd></dl></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"description"></a><h2>Description
</h2><p>
21 <code class=
"function">glFramebufferTexture
</code>,
<code class=
"function">glFramebufferTexture1D
</code>,
<code class=
"function">glFramebufferTexture2D
</code>,
22 and
<code class=
"function">glFramebufferTexture
</code> attach a selected mipmap level or image of a texture object as one of the
23 logical buffers of the framebuffer object currently bound to
<em class=
"parameter"><code>target
</code></em>.
<em class=
"parameter"><code>target
</code></em> must
24 be
<code class=
"constant">GL_DRAW_FRAMEBUFFER
</code>,
<code class=
"constant">GL_READ_FRAMEBUFFER
</code>, or
<code class=
"constant">GL_FRAMEBUFFER
</code>.
25 <code class=
"constant">GL_FRAMEBUFFER
</code> is equivalent to
<code class=
"constant">GL_DRAW_FRAMEBUFFER
</code>.
27 <em class=
"parameter"><code>attachment
</code></em> specifies the logical attachment of the framebuffer and must be
28 <code class=
"constant">GL_COLOR_ATTACHMENT
<span class=
"emphasis"><em>i
</em></span></code>,
<code class=
"constant">GL_DEPTH_ATTACHMENT
</code>,
29 <code class=
"constant">GL_STENCIL_ATTACHMENT
</code> or
<code class=
"constant">GL_DEPTH_STENCIL_ATTACHMENT
</code>.
30 <span class=
"emphasis"><em>i
</em></span> in
<code class=
"constant">GL_COLOR_ATTACHMENT
<span class=
"emphasis"><em>i
</em></span></code> may range from zero to
31 the value of
<code class=
"constant">GL_MAX_COLOR_ATTACHMENTS
</code> -
1. Attaching a level of a texture to
32 <code class=
"constant">GL_DEPTH_STENCIL_ATTACHMENT
</code> is equivalent to attaching that level to both the
33 <code class=
"constant">GL_DEPTH_ATTACHMENT
</code> <span class=
"emphasis"><em>and
</em></span> the
<code class=
"constant">GL_STENCIL_ATTACHMENT
</code>
34 attachment points simultaneously.
36 <em class=
"parameter"><code>textarget
</code></em> specifies what type of texture is named by
<em class=
"parameter"><code>texture
</code></em>, and for
37 cube map textures, specifies the face that is to be attached. If
<em class=
"parameter"><code>texture
</code></em> is not zero, it
38 must be the name of an existing texture with type
<em class=
"parameter"><code>textarget
</code></em>, unless it is a cube map
39 texture, in which case
<em class=
"parameter"><code>textarget
</code></em> must be
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X
</code>
40 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y
</code>,
41 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z
</code>, or
42 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
</code>.
44 If
<em class=
"parameter"><code>texture
</code></em> is non-zero, the specified
<em class=
"parameter"><code>level
</code></em> of the texture object named
45 <em class=
"parameter"><code>texture
</code></em> is attached to the framebfufer attachment point named by
<em class=
"parameter"><code>attachment
</code></em>.
46 For
<code class=
"function">glFramebufferTexture1D
</code>,
<code class=
"function">glFramebufferTexture2D
</code>, and
47 <code class=
"function">glFramebufferTexture3D
</code>,
<em class=
"parameter"><code>texture
</code></em> must be zero or the name of an existing
48 texture with a target of
<em class=
"parameter"><code>textarget
</code></em>, or
<em class=
"parameter"><code>texture
</code></em> must be the name
49 of an existing cube-map texture and
<em class=
"parameter"><code>textarget
</code></em> must be one of
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X
</code>,
50 <code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z
</code>,
51 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
</code>, or
52 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
</code>.
54 If
<em class=
"parameter"><code>textarget
</code></em> is
<code class=
"constant">GL_TEXTURE_RECTANGLE
</code>,
<code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE
</code>,
55 or
<code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE_ARRAY
</code>, then
<em class=
"parameter"><code>level
</code></em> must be zero. If
<em class=
"parameter"><code>textarget
</code></em>
56 is
<code class=
"constant">GL_TEXTURE_3D
</code>, then level must be greater than or equal to zero and less than or equal to log
<sub>2</sub>
57 of the value of
<code class=
"constant">GL_MAX_3D_TEXTURE_SIZE
</code>. If
<em class=
"parameter"><code>textarget
</code></em> is one of
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X
</code>,
58 <code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X
</code>,
59 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
</code>, or
<code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
</code>, then
<em class=
"parameter"><code>level
</code></em> must be greater
60 than or equal to zero and less than or equal to log
<sub>2</sub> of the value of
<code class=
"constant">GL_MAX_CUBE_MAP_TEXTURE_SIZE
</code>. For all other
61 values of
<em class=
"parameter"><code>textarget
</code></em>,
<em class=
"parameter"><code>level
</code></em> must be greater than or equal to zero and no larger than log
<sub>2</sub>
62 of the value of
<code class=
"constant">GL_MAX_TEXTURE_SIZE
</code>.
64 <em class=
"parameter"><code>layer
</code></em> specifies the layer of a
2-dimensional image within a
3-dimensional texture.
66 For
<code class=
"function">glFramebufferTexture1D
</code>, if
<em class=
"parameter"><code>texture
</code></em> is not zero, then
<em class=
"parameter"><code>textarget
</code></em> must
67 be
<code class=
"constant">GL_TEXTURE_1D
</code>. For
<code class=
"function">glFramebufferTexture2D
</code>, if
<em class=
"parameter"><code>texture
</code></em> is not zero,
68 <em class=
"parameter"><code>textarget
</code></em> must be one of
<code class=
"constant">GL_TEXTURE_2D
</code>,
<code class=
"constant">GL_TEXTURE_RECTANGLE
</code>,
69 <code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z
</code>,
70 <code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
</code>,
<code class=
"constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
</code>, or
71 <code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE
</code>. For
<code class=
"function">glFramebufferTexture3D
</code>, if
<em class=
"parameter"><code>texture
</code></em> is
72 not zero, then
<em class=
"parameter"><code>textarget
</code></em> must be
<code class=
"constant">GL_TEXTURE_3D
</code>.
73 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"notes"></a><h2>Notes
</h2><p>
74 <code class=
"function">glFramebufferTexture
</code> is available only if the GL version is
3.2 or greater.
75 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"errors"></a><h2>Errors
</h2><p>
76 <code class=
"constant">GL_INVALID_ENUM
</code> is generated if
<em class=
"parameter"><code>target
</code></em> is not one of the accepted tokens.
78 <code class=
"constant">GL_INVALID_ENUM
</code> is generated if
<em class=
"parameter"><code>renderbuffertarget
</code></em> is not
<code class=
"constant">GL_RENDERBUFFER
</code>.
80 <code class=
"constant">GL_INVALID_OPERATION
</code> is generated if zero is bound to
<em class=
"parameter"><code>target
</code></em>.
82 <code class=
"constant">GL_INVALID_OPERATION
</code> is generated if
<em class=
"parameter"><code>textarget
</code></em> and
<em class=
"parameter"><code>texture
</code></em>
84 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p>
85 <a href=
"glGenFramebuffers.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenFramebuffers
</span></span></a>,
86 <a href=
"glBindFramebuffer.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glBindFramebuffer
</span></span></a>,
87 <a href=
"glGenRenderbuffers.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenRenderbuffers
</span></span></a>,
88 <a href=
"glFramebufferTexture.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture
</span></span></a>,
89 <a href=
"glFramebufferTexture1D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture1D
</span></span></a>,
90 <a href=
"glFramebufferTexture2D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture2D
</span></span></a>,
91 <a href=
"glFramebufferTexture3D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture3D
</span></span></a>
92 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
93 Copyright
<span class=
"trademark"></span>©
2010 Khronos Group.
94 This material may be distributed subject to the terms and conditions set forth in
95 the Open Publication License, v
1.0,
8 June
1999.
96 <a href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
97 </p></div></div></body></html>