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7<title>nngxWaitVSync</title>
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9  <body>
10<h1><CODE>nngxWaitVSync</CODE> Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14NNGX_APICALL void NNGX_APIENTRY nngxWaitVSync(
15     GLenum display
16);
17</pre>
18    </div>
19<h2>Arguments</h2>
20    <div class="section">
21      <table class="arguments">
22        <thead>
23          <tr>
24            <td width="15" />
25<th>Name</th>
26<td>Description</td>
27          </tr>
28        </thead>
29        <tr>
30<td>in</td>
31<th>display</th>
32<td>Screen to synchronize</td>
33        </tr> </table>
34    </div>
35<h2>Return Values</h2>
36<div class="section">No values are returned. </div>
37<h2>Description</h2>
38    <div class="section">
39<p>Performs V-Sync and returns.</p><P>
40For a V-Sync on the upper screen, specify <SPAN class="argument">display</SPAN> as <CODE>NN_GX_DISPLAY0</CODE>. For the lower screen, specify <CODE>NN_GX_DISPLAY1</CODE>, and for both screens specify <CODE>NN_GX_DISPLAY_BOTH</CODE>.
41            </P><P>
42This function generates the following errors.
43<TABLE><TR><TH>GL_ERROR_801A_DMP</TH><TD>If any other value is specified for the <SPAN class="argument">display</SPAN> argument.</TD></TR></TABLE></P></div>
44<h2>Revision History</h2>
45    <div class="section">
46      <dl class="history">
47        <dt>2010/08/18</dt>
48<dd>Reworked for consistent terminology.
49        </dd>
50        <dt>2010/03/12</dt>
51<dd>Added extended error code(s).<br />
52        </dd>
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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