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</title><meta name=
"generator" content=
"DocBook XSL Stylesheets V1.69.1" /></head><body><div class=
"refentry" lang=
"en" xml:
lang=
"en"><a id=
"glIsTexture"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glIsTexture — determine if a name corresponds to a texture
</p></div><div class=
"refsynopsisdiv"><h2>C Specification
</h2><div class=
"funcsynopsis"><p><code class=
"funcdef">GLboolean
<b class=
"fsfunc">glIsTexture
</b>(
</code>GLuint
<var class=
"pdparam">texture
</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>texture
</code></em></span></dt><dd><p>
5 Specifies a value that may be the name of a texture.
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">glIsTexture
</code> returns
<code class=
"constant">GL_TRUE
</code> if
<em class=
"parameter"><code>texture
</code></em> is currently the name of a texture.
8 If
<em class=
"parameter"><code>texture
</code></em> is zero, or is a non-zero value that is not currently the
9 name of a texture, or if an error occurs,
<code class=
"function">glIsTexture
</code> returns
<code class=
"constant">GL_FALSE
</code>.
11 A name returned by
<a href=
"glGenTextures.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenTextures
</span></span></a>, but not yet associated with a texture
12 by calling
<a href=
"glBindTexture.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glBindTexture
</span></span></a>, is not the name of a texture.
13 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p>
14 <a href=
"glBindTexture.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glBindTexture
</span></span></a>,
15 <a href=
"glCopyTexImage1D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glCopyTexImage1D
</span></span></a>,
16 <a href=
"glCopyTexImage2D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glCopyTexImage2D
</span></span></a>,
17 <a href=
"glDeleteTextures.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glDeleteTextures
</span></span></a>,
18 <a href=
"glGenTextures.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenTextures
</span></span></a>,
19 <a href=
"glGet.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGet
</span></span></a>,
20 <a href=
"glGetTexParameter.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGetTexParameter
</span></span></a>,
21 <a href=
"glTexImage1D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glTexImage1D
</span></span></a>,
22 <a href=
"glTexImage2D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glTexImage2D
</span></span></a>,
23 <a href=
"glTexImage3D.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glTexImage3D
</span></span></a>,
24 <a href=
"glTexParameter.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glTexParameter
</span></span></a>
25 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
26 Copyright
<span class=
"trademark"></span>©
1991-
2006
27 Silicon Graphics, Inc. This document is licensed under the SGI
28 Free Software B License. For details, see
29 <a href=
"http://oss.sgi.com/projects/FreeB/" target=
"_top">http://oss.sgi.com/projects/FreeB/
</a>.
30 </p></div></div></body></html>