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<title>NVIDIA CUDA Library: cudaD3D9ResourceGetMappedArray</title>
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<a class="anchor" name="g60d2dd299c651866dfd0a0480e752783"></a><!-- doxytag: member="cuda_d3d9_interop.h::cudaD3D9ResourceGetMappedArray" ref="g60d2dd299c651866dfd0a0480e752783" args="(cudaArray **ppArray, IDirect3DResource9 *pResource, unsigned int face, unsigned int level)" -->
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          <td>(</td>
          <td class="paramtype">cudaArray **&nbsp;</td>
          <td class="paramname"> <em>ppArray</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">IDirect3DResource9 *&nbsp;</td>
          <td class="paramname"> <em>pResource</em>, </td>
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          <td></td>
          <td class="paramtype">unsigned int&nbsp;</td>
          <td class="paramname"> <em>face</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned int&nbsp;</td>
          <td class="paramname"> <em>level</em></td><td>&nbsp;</td>
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          <td>)</td>
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<p>
<dl compact><dt><b><a class="el" href="deprecated.html#_deprecated000015">Deprecated:</a></b></dt><dd>This function is deprecated as of CUDA 3.0.</dd></dl>
Returns in <code>*pArray</code> an array through which the subresource of the mapped Direct3D resource <code>pResource</code>, which corresponds to <code>face</code> and <code>level</code> may be accessed. The value set in <code>pArray</code> may change every time that <code>pResource</code> is mapped.<p>
If <code>pResource</code> is not registered then <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273">cudaErrorInvalidResourceHandle</a> is returned. If <code>pResource</code> was not registered with usage flags <a class="el" href="group__CUDART__D3D9__DEPRECATED_gcdebbc14eb83032da31bd75503cddfea.html#ggcdebbc14eb83032da31bd75503cddfeaa4c940a582866d5cf40ede9dbfa1f5e5">cudaD3D9RegisterFlagsArray</a>, then <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273">cudaErrorInvalidResourceHandle</a> is returned. If <code>pResource</code> is not mapped, then <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e00382e491daacef266c7b3e3c1e140a6133c">cudaErrorUnknown</a> is returned.<p>
For usage requirements of <code>face</code> and <code>level</code> parameters, see <a class="el" href="group__CUDART__D3D9__DEPRECATED_g44923b51ce411b519c9a3f5a1674071a.html#g44923b51ce411b519c9a3f5a1674071a" title="Get a pointer through which to access a subresource of a Direct3D resource which...">cudaD3D9ResourceGetMappedPointer()</a>.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>ppArray</em>&nbsp;</td><td>- Returned array corresponding to subresource </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>pResource</em>&nbsp;</td><td>- Mapped resource to access </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>face</em>&nbsp;</td><td>- Face of resource to access </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>level</em>&nbsp;</td><td>- Level of resource to access</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591">cudaSuccess</a>, <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273">cudaErrorInvalidResourceHandle</a>, <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e00382e491daacef266c7b3e3c1e140a6133c">cudaErrorUnknown</a> </dd></dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Note that this function may also return error codes from previous, asynchronous launches.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__CUDART__INTEROP_g09f772ed8c6e8e03f396a8895fc42050.html#g09f772ed8c6e8e03f396a8895fc42050" title="Get an array through which to access a subresource of a mapped graphics resource...">cudaGraphicsSubResourceGetMappedArray</a> </dd></dl>

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