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>glGetVertexAttribfv</title> 8 </head> 9 <body> 10<h1><CODE>glGetVertexAttribfv</CODE> Function</h1> 11<h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14GL_APICALL void GL_APIENTRY glGetVertexAttribfv( 15 GLuint index, 16 GLenum pname, 17 GLfloat * params 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>index</th> 34<td>Vertex attribute index number</td> 35 </tr> 36 <tr> 37<td>in</td> 38<th>pname</th> 39<td>Name of the parameter to get</td> 40 </tr> 41 <tr> 42<td>out</td> 43<th>params</th> 44<td>Array storing the obtained values</td> 45 </tr> </table> 46 </div> 47<h2>Return Values</h2> 48<div class="section">No values are returned. </div> 49<h2>Description</h2> 50 <div class="section"> 51<p>Gets vertex attribute parameters as <code>GLfloat</code>-type values.</p><P> 52Set <span class="argument">index</span> to a value that is greater than or equal to 0 and at least one less than the value that can be obtained by <code>glGetIntegerv</code> with <code>GL_MAX_VERTEX_ATTRIBS</code> specified. 53 </P><P> 54If you set <code>pname</code> to <code>GL_CURRENT_VERTEX_ATTRIB</code>, you can get the current vertex attribute values, set by <code>glVertexAttrib</code>, as four array elements. 55 </P><P> 56You can also set <code>pname</code> to any setting that can be obtained by <code>glGetVertexAttribiv</code>, but you will get values that have all been cast to type <code>GLfloat</code>. 57 </P><P> 58This function generates the following errors. 59<TABLE><TR><TH>GL_INVALID_VALUE</TH><TD>The <span class="argument">index</span> argument was set to an invalid value.</TD></TR><TR><TH>GL_INVALID_ENUM</TH><TD>The <span class="argument">pname</span> argument was set to an invalid value.</TD></TR></TABLE><!-- source indexに不正な値を指定した場合エラーGL_INVALID_VALUEを生成します。 pnameに不正な値を指定した場合エラーGL_INVALID_ENUMを生成します。 --></P></div> 60<h2>Revision History</h2> 61 <div class="section"> 62 <dl class="history"> 63 <dt>2010/01/07</dt> 64<dd>Initial version.<br /> 65 </dd> 66 </dl> 67 </div> 68 <hr><p>CONFIDENTIAL</p></body> 69</html>