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renderer=
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"stylesheet" type=
"text/css" href=
"opengl-man.css" /><title>glDeleteSync
</title><meta name=
"generator" content=
"DocBook XSL Stylesheets V1.75.2" /></head><body><div class=
"refentry" title=
"glDeleteSync"><a id=
"glDeleteSync"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glDeleteSync — delete a sync object
</p></div><div class=
"refsynopsisdiv" title=
"C Specification"><h2>C Specification
</h2><div class=
"funcsynopsis"><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0" class=
"funcprototype-table"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glDeleteSync
</b>(
</code></td><td>GLsync
<var class=
"pdparam">sync
</var><code>)
</code>;
</td></tr></table><div class=
"funcprototype-spacer"> </div></div></div><div class=
"refsect1" title=
"Parameters"><a id=
"parameters"></a><h2>Parameters
</h2><div class=
"variablelist"><dl><dt><span class=
"term"><em class=
"parameter"><code>sync
</code></em></span></dt><dd><p>
5 The sync object to be deleted.
6 </p></dd></dl></div></div><div class=
"refsect1" title=
"Description"><a id=
"description"></a><h2>Description
</h2><p>
7 <code class=
"function">glDeleteSync
</code> deletes the sync object specified by
<em class=
"parameter"><code>sync
</code></em>. If the fence command
8 corresponding to the specified sync object has completed, or if no
<a class=
"citerefentry" href=
"glWaitSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glWaitSync
</span></span></a>
9 or
<a class=
"citerefentry" href=
"glClientWaitSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glClientWaitSync
</span></span></a> commands are blocking on
<em class=
"parameter"><code>sync
</code></em>,
10 the object is deleted immediately. Otherwise,
<em class=
"parameter"><code>sync
</code></em> is flagged for deletion and will be deleted when
11 it is no longer associated with any fence command and is no longer blocking any
<a class=
"citerefentry" href=
"glWaitSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glWaitSync
</span></span></a>
12 or
<a class=
"citerefentry" href=
"glClientWaitSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glClientWaitSync
</span></span></a> command. In either case, after
13 <code class=
"function">glDeleteSync
</code> returns, the name
<em class=
"parameter"><code>sync
</code></em> is invalid and can no longer be used to
14 refer to the sync object.
16 <code class=
"function">glDeleteSync
</code> will silently ignore a
<em class=
"parameter"><code>sync
</code></em> value of zero.
17 </p></div><div class=
"refsect1" title=
"Notes"><a id=
"notes"></a><h2>Notes
</h2><p>
18 <code class=
"function">glSync
</code> is only supported if the GL version is
3.2 or greater, or if
19 the
<code class=
"code">ARB_sync
</code> extension is supported.
20 </p></div><div class=
"refsect1" title=
"Errors"><a id=
"errors"></a><h2>Errors
</h2><p>
21 <code class=
"constant">GL_INVALID_VALUE
</code> is generated if
<em class=
"parameter"><code>sync
</code></em> is neither zero or the name of a sync object.
22 </p></div><div class=
"refsect1" title=
"See Also"><a id=
"seealso"></a><h2>See Also
</h2><p>
23 <a class=
"citerefentry" href=
"glFenceSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glFenceSync
</span></span></a>,
24 <a class=
"citerefentry" href=
"glWaitSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glWaitSync
</span></span></a>,
25 <a class=
"citerefentry" href=
"glClientWaitSync.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glClientWaitSync
</span></span></a>
26 </p></div><div class=
"refsect1" title=
"Copyright"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
27 Copyright
<span class=
"trademark"></span>©
2010 Khronos Group.
28 This material may be distributed subject to the terms and conditions set forth in
29 the Open Publication License, v
1.0,
8 June
1999.
30 <a class=
"ulink" href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
31 </p></div></div></body></html>