1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../../../css/manpage.css" type="text/css" /> 7<title>SetAlphaTest</title> 8 </head> 9 <body> 10<h1><CODE><a href="../../../../nn/Overview.html">nn</a>::<a href="../../../../nn/gd/Overview.html">gd</a>::<a href="../../../../nn/gd/CTR/Overview.html">CTR</a>::<a href="../../../../nn/gd/CTR/OutputStage/Overview.html">OutputStage</a>::SetAlphaTest</CODE> Member Function</h1> 11<h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14static void SetAlphaTest( 15 <span>gdBool</span> enable, 16 <a href="../../../../nn/gd/CTR/OutputStage/AlphaFunction.html">AlphaFunction</a> func, 17 <a href="../../../../nn_types/u8.html">u8</a> alphaRef 18); 19</pre> 20 </div> 21<h2>Parameters</h2> 22 <div class="section"> 23 <table class="arguments"> 24 <thead> 25 <tr> 26 <td width="15" /> 27<th>Name</th> 28<td>Description</td> 29 </tr> 30 </thead> 31 <tr> 32<td>in</td> 33<th>enable</th> 34<td>Enables or disables the alpha test.</td> 35 </tr> 36 <tr> 37<td>in</td> 38<th>func</th> 39<td>Specifies the comparison method to be used for the alpha test.</td> 40 </tr> 41 <tr> 42<td>in</td> 43<th>alphaRef</th> 44<td>Specifies a reference value to be compared to the fragment's alpha component during the alpha test.</td> 45 </tr> </table> 46 </div> 47<h2>Return Values</h2> 48 <div class="section"> 49None. 50 </div> 51<h2>Description</h2> 52 <div class="section"> 53<p>Sets the alpha test.</p><p>The default values are as follows.</p><TABLE><TR><TH>enable</TH><TD><CODE>GD_FALSE</CODE></TD></TR><TR><TH>func</TH><TD><CODE>ALPHA_FUNCTION_NEVER</CODE></TD></TR><TR><TH>alphaRef</TH><TD>0</TD></TR></TABLE></div> 54<h2>Revision History</h2> 55 <div class="section"> 56 <dl class="history"> 57 <dt>2011/07/13</dt> 58<dd>Added the default value.<BR> 59 </dd> 60 <dt>2011/02/17</dt> 61<dd>Initial version.<br /> 62 </dd> 63 </dl> 64 </div> 65 <hr><p>CONFIDENTIAL</p></body> 66</html> 67