| 1 | <?xml version="1.0" encoding="UTF-8"?> |
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| 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>glGenTextures - 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="glGenTextures"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glGenTextures — generate texture names</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">glGenTextures</b>(</code></td><td>GLsizei </td><td><var class="pdparam">n</var>, </td></tr><tr><td> </td><td>GLuint * </td><td><var class="pdparam">textures</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>n</code></em></span></dt><dd><p> |
| 5 | Specifies the number of texture names to be generated. |
| 6 | </p></dd><dt><span class="term"><em class="parameter"><code>textures</code></em></span></dt><dd><p> |
| 7 | Specifies an array in which the generated texture names are stored. |
| 8 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> |
| 9 | <code class="function">glGenTextures</code> returns <em class="parameter"><code>n</code></em> texture names in <em class="parameter"><code>textures</code></em>. |
| 10 | There is no guarantee that the names form a contiguous set of integers; |
| 11 | however, it is guaranteed that none of the returned names was in use |
| 12 | immediately before the call to <code class="function">glGenTextures</code>. |
| 13 | </p><p> |
| 14 | The generated textures have no dimensionality; they assume the dimensionality |
| 15 | of the texture target to which they are first bound |
| 16 | (see <a href="glBindTexture.xml"><span class="citerefentry"><span class="refentrytitle">glBindTexture</span></span></a>). |
| 17 | </p><p> |
| 18 | Texture names returned by a call to <code class="function">glGenTextures</code> are not returned by |
| 19 | subsequent calls, unless they are first deleted with |
| 20 | <a href="glDeleteTextures.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteTextures</span></span></a>. |
| 21 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p> |
| 22 | <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>n</code></em> is negative. |
| 23 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p> |
| 24 | <a href="glIsTexture.xml"><span class="citerefentry"><span class="refentrytitle">glIsTexture</span></span></a> |
| 25 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> |
| 26 | <a href="glBindTexture.xml"><span class="citerefentry"><span class="refentrytitle">glBindTexture</span></span></a>, |
| 27 | <a href="glCopyTexImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexImage1D</span></span></a>, |
| 28 | <a href="glCopyTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexImage2D</span></span></a>, |
| 29 | <a href="glDeleteTextures.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteTextures</span></span></a>, |
| 30 | <a href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>, |
| 31 | <a href="glGetTexParameter.xml"><span class="citerefentry"><span class="refentrytitle">glGetTexParameter</span></span></a>, |
| 32 | <a href="glTexImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage1D</span></span></a>, |
| 33 | <a href="glTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage2D</span></span></a>, |
| 34 | <a href="glTexImage3D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage3D</span></span></a>, |
| 35 | <a href="glTexParameter.xml"><span class="citerefentry"><span class="refentrytitle">glTexParameter</span></span></a> |
| 36 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> |
| 37 | Copyright <span class="trademark"></span>© 1991-2006 |
| 38 | Silicon Graphics, Inc. This document is licensed under the SGI |
| 39 | Free Software B License. For details, see |
| 40 | <a href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>. |
| 41 | </p></div></div></body></html> |