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7    <title>ChangeDisplaybuffer</title>
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9  <body>
10    <h1><CODE><a href="../../../../nn/Overview.html">nn</a>::<a href="../../../../nn/dbg/Overview.html">dbg</a>::<a href="../../../../nn/dbg/CTR/Overview.html">CTR</a>::<a href="../../../../nn/dbg/CTR/DirectPrint/Overview.html">DirectPrint</a>::ChangeDisplaybuffer</CODE> Member Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;nn/dbg.h&gt;
14
15void ChangeDisplaybuffer(
16     void * dispbuf,
17     GLenum format,
18     const <a href="../../../../nn/math/VEC2/Overview.html">nn::math::VEC2</a> & size
19);
20</pre>
21    </div>
22    <h2>Parameters</h2>
23    <div class="section">
24      <table class="arguments">
25        <thead>
26          <tr>
27            <td width="15" />
28            <th>Name</th>
29            <td>Description</td>
30          </tr>
31        </thead>
32        <tr>
33          <td>in</td>
34          <th>dispbuf</th>
35          <td>The starting address of the display buffer being written to.</td>
36        </tr>
37        <tr>
38          <td>in</td>
39          <th>format</th>
40          <td>The format of the target display buffer.</td>
41        </tr>
42        <tr>
43          <td>in</td>
44          <th>size</th>
45          <td>The size of the target display buffer. (The size with upper-left origin from user's point of view.)</td>
46        </tr> </table>
47    </div>
48    <h2>Return Values</h2>
49    <div class="section">
50                None.
51               </div>
52    <h2>Description</h2>
53    <div class="section">
54      <p>Specifies the display buffer to write to.</p><p>VRAM  cannot be specified in <CODE>dispbuf</CODE>. The display buffer must be placed in the device memory.</p><p>Use <CODE><a href="../../../../nn_gx/nngxGetDisplaybufferParameteri.html">nngxGetDisplaybufferParameteri</a></CODE> to get the values that should be passed to <SPAN class="argument">dispbuf </SPAN>, <SPAN class="argument">format</SPAN>, and <SPAN class="argument">size</SPAN>. The values passed to <SPAN class="argument">size</SPAN> are specified by height and width (normally width) from the user's point of view. Note that the values obtained by <CODE><a href="../../../../nn_gx/nngxGetDisplaybufferParameteri.html">nngxGetDisplaybufferParameteri</a></CODE> are reversed for height and width.</p></div>
55    <h2>Revision History</h2>
56    <div class="section">
57      <dl class="history">
58        <dt>2012/06/22</dt>
59<dd>Added that only the device memory was supported.<br />
60        </dd>
61        <dt>2012/04/20</dt>
62        <dd>Initial version.<br />
63        </dd>
64      </dl>
65    </div>
66  <hr><p>CONFIDENTIAL</p></body>
67</html>