<div class="refentry" id="groupMemoryBarrier">

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<div class="refnamediv">

<h2>Name</h2>

<p>groupMemoryBarrier — controls the ordering of memory transaction issued shader invocation relative to a work group</p>

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<div class="refsynopsisdiv">

<h2>Declaration</h2>

<div class="funcsynopsis">

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<code class="funcdef">void <strong class="fsfunc">groupMemoryBarrier</strong>(</code>

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<td>void<code>)</code>;</td>

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<div class="refsect1" id="description">

<h2>Description</h2>

<p>

<code class="function">groupMemoryBarrier</code> waits on the completion of all memory accesses performed

by an invocation of a compute shader relative to the same access performed by other invocations

in the same work group and then returns with no other effect.

</p>

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{$pipelinestall}{$examples}

<div class="refsect1" id="versions">

<h2>Version Support</h2>

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<th style="text-align: left; border-right: 2px solid ; ">

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<span class="bold"><strong>OpenGL ES Shading Language Version</strong></span>

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<th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">

<span class="bold"><strong>Function Name</strong></span>

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<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">

<span class="bold"><strong>1.00</strong></span>

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<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">

<span class="bold"><strong>3.00</strong></span>

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<th style="text-align: center; border-bottom: 2px solid ; ">

<span class="bold"><strong>3.10</strong></span>

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<tbody>

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<td style="text-align: left; border-right: 2px solid ; ">

<code class="function">groupMemoryBarrier</code>

</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>

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</div>

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<div class="refsect1" id="seealso">

<h2>See Also</h2>

<p>

<a class="citerefentry" href="memoryBarrier"><span class="citerefentry"><span class="refentrytitle">memoryBarrier</span></span></a>,

<a class="citerefentry" href="memoryBarrierImage"><span class="citerefentry"><span class="refentrytitle">memoryBarrierImage</span></span></a>,

<a class="citerefentry" href="memoryBarrierBuffer"><span class="citerefentry"><span class="refentrytitle">memoryBarrierBuffer</span></span></a>,

<a class="citerefentry" href="memoryBarrierShared"><span class="citerefentry"><span class="refentrytitle">memoryBarrierShared</span></span></a>

</p>

</div>

<div class="refsect1" id="Copyright">

<h2>Copyright</h2>

<p>

Copyright © 2011-2014 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="https://opencontent.org/openpub/" target="_top">https://opencontent.org/openpub/</a>.

</p>

</div>

</div>