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7<title>MapVertexBufferResource</title>
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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/Resource/Overview.html">Resource</a>::MapVertexBufferResource</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14static <a href="../../../../nnResult/Overview.html">nnResult</a> MapVertexBufferResource(
15     VertexBufferResource * buffer,
16     <a href="../../../../nn/gd/CTR/Resource/MapUsage.html">MapUsage</a> usage,
17     void ** data
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>buffer</th>
34<td>Specifies the pointer to the resource for the data pointer being obtained. </td>
35        </tr>
36        <tr>
37<td>in</td>
38<th>usage</th>
39<td>Specifies how the resource is to be used.</td>
40        </tr>
41        <tr>
42<td>out</td>
43<th><CODE>data</CODE></th>
44<td>Specifies the address for storing the pointer to the obtained data.</td>
45        </tr> </table>
46    </div>
47<h2>Return Values</h2>
48<div class="section">Returns the result of the operation. <br />
49      <table class="arguments">
50        <thead>
51          <tr>
52<th>Value</th>
53<td>Description</td>
54          </tr>
55        </thead>
56        <tr>
57<th><CODE>Result::IsSuccess</CODE></th>
58<td>Process was successful.</td>
59        </tr>
60        <tr>
61<th><CODE>ResultNullParameter</CODE></th>
62<td><CODE>NULL</CODE> was specified for either <B>buffer </B>or <B>data</B>.</td>
63        </tr>
64        <tr>
65<th>ResultInvalidMemoryRegion</th>
66<td>The specification for either the resource memory type or the resource usage method is invalid. It might be that an attempt was made by <CODE>MAP_WRITE_ONLY</CODE> or <CODE>MAP_READ_WRITE</CODE> to get a memory region that was allocated to VRAM.</td>
67        </tr>
68        <tr>
69<th>ResultResourceAlreadyMapped</th>
70<td>The resource has already been mapped.</td>
71        </tr>
72      </table> </div>
73<h2>Description</h2>
74    <div class="section">
75<p>Obtains a data pointer for the specified resource.</p><p>User applications can directly edit only the memory region allocated for <span>Memory::FCRAM</span>.</p><!-- write here --></div>
76<h2>Revision History</h2>
77    <div class="section">
78      <dl class="history">
79        <dt>2011/02/17</dt>
80<dd>Initial version.<br />
81        </dd>
82      </dl>
83    </div>
84  <hr><p>CONFIDENTIAL</p></body>
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