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4 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=
"glFramebufferRenderbuffer"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glFramebufferRenderbuffer — attach a renderbuffer 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"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glFramebufferRenderbuffer
</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">renderbuffertarget
</var>,
</td></tr><tr><td> </td><td>GLuint
</td><td><var class=
"pdparam">renderbuffer
</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.
10 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>renderbuffertarget
</code></em></span></dt><dd><p>
11 Specifies the renderbuffer target and must be
<code class=
"constant">GL_RENDERBUFFER
</code>.
12 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>renderbuffer
</code></em></span></dt><dd><p>
13 Specifies the name of an existing renderbuffer object of type
<em class=
"parameter"><code>renderbuffertarget
</code></em> to attach.
14 </p></dd></dl></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"description"></a><h2>Description
</h2><p>
15 <code class=
"function">glFramebufferRenderbuffer
</code> attaches a renderbuffer as one of the logical buffers of the
16 currently bound framebuffer object.
<em class=
"parameter"><code>renderbuffer
</code></em> is the name of the renderbuffer object
17 to attach and must be either zero, or the name of an existing renderbuffer object of type
<em class=
"parameter"><code>renderbuffertarget
</code></em>.
18 If
<em class=
"parameter"><code>renderbuffer
</code></em> is not zero and if
<code class=
"function">glFramebufferRenderbuffer
</code> is
19 successful, then the renderbuffer name
<em class=
"parameter"><code>renderbuffer
</code></em> will be used as the logical buffer
20 identified by
<em class=
"parameter"><code>attachment
</code></em> of the framebuffer currently bound to
<em class=
"parameter"><code>target
</code></em>.
22 The value of
<code class=
"constant">GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
</code> for the specified attachment point is
23 set to
<code class=
"constant">GL_RENDERBUFFER
</code> and the value of
<code class=
"constant">GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME
</code>
24 is set to
<em class=
"parameter"><code>renderbuffer
</code></em>. All other state values of the attachment point specified by
25 <em class=
"parameter"><code>attachment
</code></em> are set to their default values. No change is made to the state of the renderbuuffer
26 object and any previous attachment to the
<em class=
"parameter"><code>attachment
</code></em> logical buffer of the framebuffer
27 <em class=
"parameter"><code>target
</code></em> is broken.
29 Calling
<code class=
"function">glFramebufferRenderbuffer
</code> with the renderbuffer name zero will detach the image, if any,
30 identified by
<em class=
"parameter"><code>attachment
</code></em>, in the framebuffer currently bound to
<em class=
"parameter"><code>target
</code></em>.
31 All state values of the attachment point specified by attachment in the object bound to target are set to their default values.
33 Setting
<em class=
"parameter"><code>attachment
</code></em> to the value
<code class=
"constant">GL_DEPTH_STENCIL_ATTACHMENT
</code> is a special
34 case causing both the depth and stencil attachments of the framebuffer object to be set to
<em class=
"parameter"><code>renderbuffer
</code></em>,
35 which should have the base internal format
<code class=
"constant">GL_DEPTH_STENCIL
</code>.
36 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"errors"></a><h2>Errors
</h2><p>
37 <code class=
"constant">GL_INVALID_ENUM
</code> is generated if
<em class=
"parameter"><code>target
</code></em> is not one of the accepted tokens.
39 <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>.
41 <code class=
"constant">GL_INVALID_OPERATION
</code> is generated if zero is bound to
<em class=
"parameter"><code>target
</code></em>.
42 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p>
43 <a href=
"glGenFramebuffers.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenFramebuffers
</span></span></a>,
44 <a href=
"glBindFramebuffer.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glBindFramebuffer
</span></span></a>,
45 <a href=
"glGenRenderbuffers.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenRenderbuffers
</span></span></a>,
46 <a href=
"glFramebufferTexture.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture
</span></span></a>,
47 <a href=
"glFramebufferTexture1D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture1D
</span></span></a>,
48 <a href=
"glFramebufferTexture2D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture2D
</span></span></a>,
49 <a href=
"glFramebufferTexture3D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFramebufferTexture3D
</span></span></a>
50 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
51 Copyright
<span class=
"trademark"></span>©
2010 Khronos Group.
52 This material may be distributed subject to the terms and conditions set forth in
53 the Open Publication License, v
1.0,
8 June
1999.
54 <a href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
55 </p></div></div></body></html>
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