<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="pt" lang="pt">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
    <meta http-equiv="Content-Style-Type" content="text/css" />
    <meta name="TEMPLATEBASE" content="CCC_Online_Help_v1.0" />
    <title>Back buffer</title>
    <link rel="StyleSheet" href="document.css" type="text/css" />
    <link rel="StyleSheet" href="catalog.css" type="text/css" />
<script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/context.js"></script>
  <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/towwhdir.js"></script>
  <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/wwhpagef.js"></script>

  <script type="text/javascript" language="JavaScript1.2">
   <!--
    // Set reference to top level help frame
    //
    var  WWHFrame = WWHGetWWHFrame("");
   // -->
  </script>

    <script type="text/javascript" language="JavaScript1.2" src="scripts/expand.js"></script>
  </head>


  <body onLoad="WWHUpdate();" onUnload="WWHUnload();" onKeyDown="WWHHandleKeyDown((document.all||document.getElementById||document.layers)?event:null);" onKeyPress="WWHHandleKeyPress((document.all||document.getElementById||document.layers)?event:null);" onKeyUp="WWHHandleKeyUp((document.all||document.getElementById||document.layers)?event:null);">


<h4 class="pHeading4">
Back buffer
</h4>

<p class="pBody">
Um tipo de memria offscreen usada para fornecer uma acelerao grfica 2D e vdeo preciso. Essa tcnica usa dois buffers de quadros, ento o processo  normalmente chamado de &quot;buffering duplo&quot. Enquanto o contedo de um buffer  exibido, um segundo buffer, chamado de &quot;back&quot; buffer, armazena o quadro que est sendo trabalhado. Dessa forma, os usurios vero apenas quadros precisos e completos na tela.
</p>



  <script type="text/javascript" language="JavaScript1.2">
   <!--
    // Clear related topics
    //
    WWHClearRelatedTopics();

   // -->
  </script>


<script type="text/javascript" language="JavaScript1.2">
   <!--
    document.write(WWHRelatedTopicsDivTag() + WWHPopupDivTag() + WWHALinksDivTag());
   // -->
  </script>

<hr>
<p class="pBody">
Copyright  2005, ATI Technologies Inc. Todos os direitos reservados.<br />&#160;
</p>

  </body>
</html>

