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</title><meta name=
"generator" content=
"DocBook XSL Stylesheets V1.73.2" /></head><body><div class=
"refentry" lang=
"en" xml:
lang=
"en"><a id=
"glGetVertexAttribPointerv"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glGetVertexAttribPointerv — return the address of the specified generic vertex attribute pointer
</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">glGetVertexAttribPointerv
</b>(
</code></td><td>GLuint
</td><td><var class=
"pdparam">index
</var>,
</td></tr><tr><td> </td><td>GLenum
</td><td><var class=
"pdparam">pname
</var>,
</td></tr><tr><td> </td><td>GLvoid **
</td><td><var class=
"pdparam">pointer
</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>index
</code></em></span></dt><dd><p>Specifies the generic vertex attribute
4 parameter to be returned.
</p></dd><dt><span class=
"term"><em class=
"parameter"><code>pname
</code></em></span></dt><dd><p>Specifies the symbolic name of the generic
5 vertex attribute parameter to be returned. Must be
6 <code class=
"constant">GL_VERTEX_ATTRIB_ARRAY_POINTER
</code>.
</p></dd><dt><span class=
"term"><em class=
"parameter"><code>pointer
</code></em></span></dt><dd><p>Returns the pointer value.
</p></dd></dl></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"description"></a><h2>Description
</h2><p><code class=
"function">glGetVertexAttribPointerv
</code> returns
7 pointer information.
<em class=
"parameter"><code>index
</code></em> is the generic
8 vertex attribute to be queried,
<em class=
"parameter"><code>pname
</code></em> is
9 a symbolic constant indicating the pointer to be returned, and
10 <em class=
"parameter"><code>params
</code></em> is a pointer to a location in
11 which to place the returned data.
</p><p>If a non-zero named buffer object was bound to the
<code class=
"constant">GL_ARRAY_BUFFER
</code> target
12 (see
<a class=
"citerefentry" href=
"glBindBuffer.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glBindBuffer
</span></span></a>) when the desired pointer was previously
13 specified, the
<em class=
"parameter"><code>pointer
</code></em> returned is a byte offset into the buffer object's data store.
14 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"notes"></a><h2>Notes
</h2><p><code class=
"function">glGetVertexAttribPointerv
</code>
15 is available only if the GL version is
2.0 or greater.
</p><p>The pointer returned is client-side state.
</p><p>The initial value for each pointer is
0.
</p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"errors"></a><h2>Errors
</h2><p><code class=
"constant">GL_INVALID_VALUE
</code>
16 is generated if
<em class=
"parameter"><code>index
</code></em>
17 is greater than or equal to
<code class=
"constant">GL_MAX_VERTEX_ATTRIBS
</code>.
</p><p><code class=
"constant">GL_INVALID_ENUM
</code>
18 is generated if
<em class=
"parameter"><code>pname
</code></em>
19 is not an accepted value.
</p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"associatedgets"></a><h2>Associated Gets
</h2><p><a class=
"citerefentry" href=
"glGet.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGet
</span></span></a>
20 with argument
<code class=
"constant">GL_MAX_VERTEX_ATTRIBS
</code></p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p><a class=
"citerefentry" href=
"glGetVertexAttrib.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGetVertexAttrib
</span></span></a>,
21 <a class=
"citerefentry" href=
"glVertexAttribPointer.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glVertexAttribPointer
</span></span></a></p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
22 Copyright
<span class=
"trademark"></span>©
2003-
2005 3Dlabs Inc. Ltd.
23 This material may be distributed subject to the terms and conditions set forth in
24 the Open Publication License, v
1.0,
8 June
1999.
25 <a class=
"ulink" href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
26 </p></div></div></body></html>