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+<?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" /><title>glEnableVertexAttribArray</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glEnableVertexAttribArray"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glEnableVertexAttribArray — Enable or disable a generic vertex attribute array</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glEnableVertexAttribArray</b>(</code></td><td>GLuint </td><td><var class="pdparam">index</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glDisableVertexAttribArray</b>(</code></td><td>GLuint </td><td><var class="pdparam">index</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>index</code></em></span></dt><dd><p>Specifies the index of the generic vertex
+ attribute to be enabled or disabled.</p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p><code class="function">glEnableVertexAttribArray</code> enables the
+ generic vertex attribute array specified by
+ <em class="parameter"><code>index</code></em>.
+ <code class="function">glDisableVertexAttribArray</code> disables the
+ generic vertex attribute array specified by
+ <em class="parameter"><code>index</code></em>. By default, all client-side
+ capabilities are disabled, including all generic vertex
+ attribute arrays. If enabled, the values in the generic vertex
+ attribute array will be accessed and used for rendering when
+ calls are made to vertex array commands such as
+ <a class="citerefentry" href="glDrawArrays.xml"><span class="citerefentry"><span class="refentrytitle">glDrawArrays</span></span></a>,
+ <a class="citerefentry" href="glDrawElements.xml"><span class="citerefentry"><span class="refentrytitle">glDrawElements</span></span></a>,
+ <a class="citerefentry" href="glDrawRangeElements.xml"><span class="citerefentry"><span class="refentrytitle">glDrawRangeElements</span></span></a>,
+ <a class="citerefentry" href="glArrayElement.xml"><span class="citerefentry"><span class="refentrytitle">glArrayElement</span></span></a>,
+ <a class="citerefentry" href="glMultiDrawElements.xml"><span class="citerefentry"><span class="refentrytitle">glMultiDrawElements</span></span></a>,
+ or
+ <a class="citerefentry" href="glMultiDrawArrays.xml"><span class="citerefentry"><span class="refentrytitle">glMultiDrawArrays</span></span></a>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p><code class="function">glEnableVertexAttribArray</code> and
+ <code class="function">glDisableVertexAttribArray </code> are available
+ only if the GL version is 2.0 or greater.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p><code class="constant">GL_INVALID_VALUE</code> is generated if
+ <em class="parameter"><code>index</code></em> is greater than or equal to
+ <code class="constant">GL_MAX_VERTEX_ATTRIBS</code>.</p><p><code class="constant">GL_INVALID_OPERATION</code> is generated if either
+ <code class="function">glEnableVertexAttribArray </code> or
+ <code class="function">glDisableVertexAttribArray </code> is executed
+ between the execution of
+ <a class="citerefentry" href="glBegin.xml"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a>
+ and the corresponding execution of
+ <a class="citerefentry" href="glEnd.xml"><span class="citerefentry"><span class="refentrytitle">glEnd</span></span></a>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p><a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>
+ with argument <code class="constant">GL_MAX_VERTEX_ATTRIBS</code></p><p><a class="citerefentry" href="glGetVertexAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glGetVertexAttrib</span></span></a>
+ with arguments <em class="parameter"><code>index</code></em> and
+ <code class="constant">GL_VERTEX_ATTRIB_ARRAY_ENABLED</code>
+ <em class="parameter"><code></code></em></p><p><a class="citerefentry" href="glGetVertexAttribPointerv.xml"><span class="citerefentry"><span class="refentrytitle">glGetVertexAttribPointerv</span></span></a>
+ with arguments <em class="parameter"><code>index</code></em> and
+ <code class="constant">GL_VERTEX_ATTRIB_ARRAY_POINTER</code></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p><a class="citerefentry" href="glArrayElement.xml"><span class="citerefentry"><span class="refentrytitle">glArrayElement</span></span></a>,
+ <a class="citerefentry" href="glBindAttribLocation.xml"><span class="citerefentry"><span class="refentrytitle">glBindAttribLocation</span></span></a>,
+ <a class="citerefentry" href="glDrawArrays.xml"><span class="citerefentry"><span class="refentrytitle">glDrawArrays</span></span></a>,
+ <a class="citerefentry" href="glDrawElements.xml"><span class="citerefentry"><span class="refentrytitle">glDrawElements</span></span></a>,
+ <a class="citerefentry" href="glDrawRangeElements.xml"><span class="citerefentry"><span class="refentrytitle">glDrawRangeElements</span></span></a>,
+ <a class="citerefentry" href="glMultiDrawElements.xml"><span class="citerefentry"><span class="refentrytitle">glMultiDrawElements</span></span></a>,
+ <a class="citerefentry" href="glPopClientAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glPopClientAttrib</span></span></a>,
+ <a class="citerefentry" href="glPushClientAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glPushClientAttrib</span></span></a>,
+ <a class="citerefentry" href="glVertexAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glVertexAttrib</span></span></a>,
+ <a class="citerefentry" href="glVertexAttribPointer.xml"><span class="citerefentry"><span class="refentrytitle">glVertexAttribPointer</span></span></a>
+ </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
+ Copyright <span class="trademark"></span>© 2003-2005 3Dlabs Inc. Ltd.
+ This material may be distributed subject to the terms and conditions set forth in
+ the Open Publication License, v 1.0, 8 June 1999.
+ <a class="ulink" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
+ </p></div></div></body></html>
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