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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<title>glSampleMaski - OpenGL 4 Reference Pages</title>
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<div class="refentry" id="glSampleMaski">
<div class="titlepage"/>
<div class="refnamediv">
<h2>Name</h2>
<p>glSampleMaski — set the value of a sub-word of the sample mask</p>
</div>
<div class="refsynopsisdiv">
<h2>C Specification</h2>
<div class="funcsynopsis">
<table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table">
<tr>
<td>
<code class="funcdef">void <strong class="fsfunc">glSampleMaski</strong>(</code>
</td>
<td>GLuint <var class="pdparam">maskNumber</var>, </td>
</tr>
<tr>
<td> </td>
<td>GLbitfield <var class="pdparam">mask</var><code>)</code>;</td>
</tr>
</table>
<div class="funcprototype-spacer"> </div>
</div>
</div>
<div class="refsect1" id="parameters">
<h2>Parameters</h2>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
<em class="parameter">
<code>maskNumber</code>
</em>
</span>
</dt>
<dd>
<p>
Specifies which 32-bit sub-word of the sample mask to update.
</p>
</dd>
<dt>
<span class="term">
<em class="parameter">
<code>mask</code>
</em>
</span>
</dt>
<dd>
<p>
Specifies the new value of the mask sub-word.
</p>
</dd>
</dl>
</div>
</div>
<div class="refsect1" id="description">
<h2>Description</h2>
<p>
<code class="function">glSampleMaski</code> sets one 32-bit sub-word of the multi-word sample mask, <code class="constant">GL_SAMPLE_MASK_VALUE</code>.
</p>
<p>
<em class="parameter"><code>maskIndex</code></em> specifies which 32-bit sub-word of the sample mask to update, and <em class="parameter"><code>mask</code></em> specifies
the new value to use for that sub-word. <em class="parameter"><code>maskIndex</code></em> must be less than the value of
<code class="constant">GL_MAX_SAMPLE_MASK_WORDS</code>. Bit <span class="emphasis"><em>B</em></span> of mask word <span class="emphasis"><em>M</em></span> corresponds to sample
32 x <span class="emphasis"><em>M</em></span> + <span class="emphasis"><em>B</em></span>.
</p>
</div>
<div class="refsect1" id="notes">
<h2>Notes</h2>
<p>
<code class="function">glSampleMaski</code> is available only if the GL version is 3.2 or greater, or if the <code class="code">ARB_texture_multisample</code>
extension is supported.
</p>
</div>
<div class="refsect1" id="errors">
<h2>Errors</h2>
<p>
<code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>maskIndex</code></em> is greater than or equal to the value
of <code class="constant">GL_MAX_SAMPLE_MASK_WORDS</code>.
</p>
</div>
<div class="refsect1" id="versions">
<h2>Version Support</h2>
<div class="informaltable">
<table style="border-collapse: collapse; border-top: 2px solid ; border-bottom: 2px solid ; border-left: 2px solid ; border-right: 2px solid ; ">
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<col style="text-align: center; "/>
<col style="text-align: center; " class="lastvers"/>
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<thead>
<tr>
<th style="text-align: left; border-right: 2px solid ; ">
</th>
<th style="text-align: center; border-bottom: 2px solid ; " colspan="12">
<span class="bold"><strong>OpenGL Version</strong></span>
</th>
</tr>
<tr>
<th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>Function / Feature Name</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>2.0</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>2.1</strong></span>
</th>
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<span class="bold"><strong>3.0</strong></span>
</th>
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<span class="bold"><strong>3.1</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>3.2</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>3.3</strong></span>
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<span class="bold"><strong>4.0</strong></span>
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<span class="bold"><strong>4.1</strong></span>
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<span class="bold"><strong>4.2</strong></span>
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<span class="bold"><strong>4.3</strong></span>
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<span class="bold"><strong>4.4</strong></span>
</th>
<th style="text-align: center; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.5</strong></span>
</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left; border-right: 2px solid ; ">
<code class="function">glSampleMaski</code>
</td>
<td style="text-align: center; border-right: 2px solid ; ">-</td>
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<td style="text-align: center; border-right: 2px solid ; ">-</td>
<td style="text-align: center; border-right: 2px solid ; ">-</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; ">✔</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="refsect1" id="seealso">
<h2>See Also</h2>
<p>
<a class="citerefentry" href="glGenRenderbuffers.xhtml"><span class="citerefentry"><span class="refentrytitle">glGenRenderbuffers</span></span></a>,
<a class="citerefentry" href="glBindRenderbuffer.xhtml"><span class="citerefentry"><span class="refentrytitle">glBindRenderbuffer</span></span></a>,
<a class="citerefentry" href="glRenderbufferStorageMultisample.xhtml"><span class="citerefentry"><span class="refentrytitle">glRenderbufferStorageMultisample</span></span></a>,
<a class="citerefentry" href="glFramebufferRenderbuffer.xhtml"><span class="citerefentry"><span class="refentrytitle">glFramebufferRenderbuffer</span></span></a>,
<a class="citerefentry" href="glDeleteRenderbuffers.xhtml"><span class="citerefentry"><span class="refentrytitle">glDeleteRenderbuffers</span></span></a>
</p>
</div>
<div class="refsect1" id="Copyright">
<h2>Copyright</h2>
<p>
Copyright <span class="trademark"/>© 2010-2014 Khronos Group.
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="link" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
</p>
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