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1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> | |
3 | <!-- saved from url=(0013)about:internet --> | |
4 | <?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>glDeleteSync - OpenGL 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="glDeleteSync"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glDeleteSync — delete a sync object</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><p><code class="funcdef">void <b class="fsfunc">glDeleteSync</b>(</code>GLsync <var class="pdparam">sync</var><code>)</code>;</p></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>sync</code></em></span></dt><dd><p> | |
5 | The sync object to be deleted. | |
6 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><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 href="glWaitSync.xml"><span class="citerefentry"><span class="refentrytitle">glWaitSync</span></span></a> | |
9 | or <a 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 href="glWaitSync.xml"><span class="citerefentry"><span class="refentrytitle">glWaitSync</span></span></a> | |
12 | or <a 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. | |
15 | </p><p> | |
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" lang="en" xml:lang="en"><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" lang="en" xml:lang="en"><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" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
23 | <a href="glFenceSync.xml"><span class="citerefentry"><span class="refentrytitle">glFenceSync</span></span></a>, | |
24 | <a href="glWaitSync.xml"><span class="citerefentry"><span class="refentrytitle">glWaitSync</span></span></a>, | |
25 | <a href="glClientWaitSync.xml"><span class="citerefentry"><span class="refentrytitle">glClientWaitSync</span></span></a> | |
26 | </p></div><div class="refsect1" lang="en" xml:lang="en"><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 href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
31 | </p></div></div></body></html> |