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7<title>glGetAttribLocation</title>
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10<h1>glGetAttribLocation Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14GL_APICALL int GL_APIENTRY glGetAttribLocation(
15     GLuint program,
16     const char * name
17);
18</pre>
19    </div>
20<h2>Parameters</h2>
21    <div class="section">
22      <table class="arguments">
23        <thead>
24          <tr>
25            <td width="15" />
26<th>Name</th>
27<td>Description</td>
28          </tr>
29        </thead>
30        <tr>
31<td>in</td>
32<th>program</th>
33<td>Program object</td>
34        </tr>
35        <tr>
36<td>in</td>
37<th>name</th>
38<td>Vertex attribute name</td>
39        </tr> </table>
40    </div>
41<h2>Return Values</h2>
42<div class="section">Vertex attribute number. If it could not be found, returns a value of -1. </div>
43<h2>Description</h2>
44    <div class="section">
45<p>Gets the number of a program's vertex attribute.</p><P>
46Set <span class="argument">program</span> to the program object. Set <span class="argument">name</span> to a string that is the name of the vertex attribute to get. Returns a value of -1 when the specified name cannot be found among the active vertex attributes.
47            </P><P>
48This function generates the following errors.
49<TABLE><TR><TH>GL_INVALID_VALUE</TH><TD>The <span class="argument">program</span> argument was set to an invalid value.</TD></TR><TR><TH>GL_INVALID_OPERATION</TH><TD>The <span class="argument">program</span> argument is not linked correctly.</TD></TR></TABLE><!-- source                      programに不正な値を指定した場合エラーGL_INVALID_VALUEを生成します。 programが正しくリンクされていない場合エラーGL_INVALID_OPERATIONを生成します。 エラーが発生した場合-1を返します。                 --></P></div>
50<h2>Revision History</h2>
51    <div class="section">
52      <dl class="history">
53        <dt>2010/01/07</dt>
54<dd>Initial version.<br />
55        </dd>
56      </dl>
57    </div>
58  <hr><p>CONFIDENTIAL</p></body>
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