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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>glIsQuery - 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="glIsQuery"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glIsQuery — determine if a name corresponds to a query object</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><p><code class="funcdef">GLboolean <b class="fsfunc">glIsQuery</b>(</code>GLuint <var class="pdparam">id</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>id</code></em></span></dt><dd><p> | |
5 | Specifies a value that may be the name of a query object. | |
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">glIsQuery</code> returns <code class="constant">GL_TRUE</code> if <em class="parameter"><code>id</code></em> is currently the name of a query object. | |
8 | If <em class="parameter"><code>id</code></em> is zero, or is a non-zero value that is not currently the | |
9 | name of a query object, or if an error occurs, <code class="function">glIsQuery</code> returns <code class="constant">GL_FALSE</code>. | |
10 | </p><p> | |
11 | A name returned by <a href="glGenQueries.xml"><span class="citerefentry"><span class="refentrytitle">glGenQueries</span></span></a>, but not yet associated with a query object | |
12 | by calling <a href="glBeginQuery.xml"><span class="citerefentry"><span class="refentrytitle">glBeginQuery</span></span></a>, is not the name of a query object. | |
13 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
14 | <a href="glBeginQuery.xml"><span class="citerefentry"><span class="refentrytitle">glBeginQuery</span></span></a>, | |
15 | <a href="glDeleteQueries.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteQueries</span></span></a>, | |
16 | <a href="glEndQuery.xml"><span class="citerefentry"><span class="refentrytitle">glEndQuery</span></span></a>, | |
17 | <a href="glGenQueries.xml"><span class="citerefentry"><span class="refentrytitle">glGenQueries</span></span></a> | |
18 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
19 | Copyright <span class="trademark"></span>© 2005 Addison-Wesley. | |
20 | This material may be distributed subject to the terms and conditions set forth in | |
21 | the Open Publication License, v 1.0, 8 June 1999. | |
22 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
23 | </p></div></div></body></html> |