upstream-doc/manglsl/xhtml/bitfieldReverse.xml

   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>bitfieldReverse - OpenGL Shading Language (GLSL)</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="bitfieldReverse"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>bitfieldReverse — reverse the order of bits in an integer</p></div><div class="refsynopsisdiv"><h2>Declaration</h2><div class="funcsynopsis"><p><code class="funcdef">genIType <b class="fsfunc">bitfieldReverse</b>(</code>genIType <var class="pdparam">value</var><code>)</code>;</p><p><code class="funcdef">genUType <b class="fsfunc">bitfieldReverse</b>(</code>genUType <var class="pdparam">value</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>value</code></em></span></dt><dd><p>
   5                     Specifies the value whose bits to reverse.
   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">bitfieldReverse</code> returns the reversal of the bits of value. The bit
   8             numbered <span class="emphasis"><em>n</em></span> will be taken from bit (<span class="emphasis"><em>bits</em></span> - 1) - <span class="emphasis"><em>n</em></span>
   9             of <em class="parameter"><code>value</code></em>, where <span class="emphasis"><em>bits</em></span> is the total number of bits used to represent
  10             <em class="parameter"><code>value</code></em>.
  11         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="versions"></a><h2>Version Support</h2><div class="informaltable"><table border="1"><colgroup><col align="left" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /></colgroup><thead><tr><th align="left"><span class="bold"><strong>Function</strong></span></th><th align="left"><span class="bold"><strong>Version 1.10</strong></span></th><th align="left"><span class="bold"><strong>Version 1.20</strong></span></th><th align="left"><span class="bold"><strong>Version 1.30</strong></span></th><th align="left"><span class="bold"><strong>Version 1.40</strong></span></th><th align="left"><span class="bold"><strong>Version 1.50</strong></span></th><th align="left"><span class="bold"><strong>Version 3.30</strong></span></th><th align="left"><span class="bold"><strong>Version 4.00</strong></span></th><th align="left"><span class="bold"><strong>Version 4.10</strong></span></th><th align="left"><span class="bold"><strong>Version 4.20</strong></span></th><th align="center"><span class="bold"><strong>Version 4.30</strong></span></th></tr><tr><th align="left">bitfieldReverse</th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th></tr></thead></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
  12             <a href="bitfieldExtract.xml"><span class="citerefentry"><span class="refentrytitle">bitfieldExtract</span></span></a>,
  13             <a href="bitfieldInsert.xml"><span class="citerefentry"><span class="refentrytitle">bitfieldInsert</span></span></a>,
  14             <a href="bitCount.xml"><span class="citerefentry"><span class="refentrytitle">bitCount</span></span></a>
  15         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
  16             Copyright <span class="trademark"></span>© 2011 Khronos Group.
  17             This material may be distributed subject to the terms and conditions set forth in
  18             the Open Publication License, v 1.0, 8 June 1999.
  19             <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
  20         </p></div></div></body></html>