1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2<html>
3
4<head>
5<META http-equiv="Content-Type" content="text/html; charset=windows-1252">
6<META name="GENERATOR" content="Microsoft FrontPage 5.0">
7<META http-equiv="Content-Style-Type" content="text/css">
8<LINK rel="stylesheet" type="text/css" href="../../CSS/revolution.css">
9<title>GXClearBoundingBox</title>
10</head>
11
12<body>
13
14<h1 align="left">GXClearBoundingBox</h1>
15
16<h2>Syntax</h2>
17<dl><dd><pre class="construction">
18#include &lt;revolution/gx.h&gt;
19
20void GXClearBoundingBox( void );
21</pre></dd></dl>
22
23<h2>Arguments</h2>
24<p>None.</p>
25
26<h2>Return Values</h2>
27<p>None.</p>
28
29<h2>Description</h2>
30<P>The graphics hardware keeps track of a bounding box of pixel coordinates that are rendered in the Embedded Frame Buffer (EFB).&nbsp;These bounding box values can be read back by the <a href="GXReadBoundingBox.html"><code>GXReadBoundingBox</code></a> function to determine the area of the frame buffer to copy (using either the <a href="GXSetTexCopySrc.html"><code>GXSetTexCopySrc</code></a> or <a href="GXSetDispCopySrc.html"><code>GXSetDispCopySrc</code></a> function). This function clears the bounding box values before a new image is drawn.</P>
31
32<h2>See Also</h2>
33<P class="reference">
34<A href="GXReadBoundingBox.html">GXReadBoundingBox</A>
35</p>
36
37<H2>Revision History</H2>
38<P>
392006/03/01 Initial version.<br>
40</P>
41
42<hr><p>CONFIDENTIAL</p></body>
43</html>