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nvidia-cuda-toolkit-devel-4.2.9-2.mga2.nonfree.i586.rpm

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<title>NVIDIA CUDA Library: cuD3D9GetDevices</title>
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  <div class="navpath"><a class="el" href="group__CUDA__D3D9.html">Direct3D 9 Interoperability</a>
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<a class="anchor" name="g2c53ac0b20c57738fa497d1f8992f7ad"></a><!-- doxytag: member="cudaD3D9.h::cuD3D9GetDevices" ref="g2c53ac0b20c57738fa497d1f8992f7ad" args="(unsigned int *pCudaDeviceCount, CUdevice *pCudaDevices, unsigned int cudaDeviceCount, IDirect3DDevice9 *pD3D9Device, CUd3d9DeviceList deviceList)" -->
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          <td>(</td>
          <td class="paramtype">unsigned int *&nbsp;</td>
          <td class="paramname"> <em>pCudaDeviceCount</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="group__CUDA__TYPES_gcd81b70eb9968392bb5cdf582af8eab4.html#gcd81b70eb9968392bb5cdf582af8eab4">CUdevice</a> *&nbsp;</td>
          <td class="paramname"> <em>pCudaDevices</em>, </td>
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          <td class="paramtype">unsigned int&nbsp;</td>
          <td class="paramname"> <em>cudaDeviceCount</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">IDirect3DDevice9 *&nbsp;</td>
          <td class="paramname"> <em>pD3D9Device</em>, </td>
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          <td class="paramtype"><a class="el" href="group__CUDA__D3D9_g8164ac030b6a8c0d95e433201a31ad15.html#g8164ac030b6a8c0d95e433201a31ad15">CUd3d9DeviceList</a>&nbsp;</td>
          <td class="paramname"> <em>deviceList</em></td><td>&nbsp;</td>
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          <td>)</td>
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<p>
Returns in <code>*pCudaDeviceCount</code> the number of CUDA-compatible device corresponding to the Direct3D 9 device <code>pD3D9Device</code>. Also returns in <code>*pCudaDevices</code> at most <code>cudaDeviceCount</code> of the the CUDA-compatible devices corresponding to the Direct3D 9 device <code>pD3D9Device</code>.<p>
If any of the GPUs being used to render <code>pDevice</code> are not CUDA capable then the call will return <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa761bea84083d384d4fb88d51d972aada">CUDA_ERROR_NO_DEVICE</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>pCudaDeviceCount</em>&nbsp;</td><td>- Returned number of CUDA devices corresponding to <code>pD3D9Device</code> </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>pCudaDevices</em>&nbsp;</td><td>- Returned CUDA devices corresponding to <code>pD3D9Device</code> </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>cudaDeviceCount</em>&nbsp;</td><td>- The size of the output device array <code>pCudaDevices</code> </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>pD3D9Device</em>&nbsp;</td><td>- Direct3D 9 device to query for CUDA devices </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>deviceList</em>&nbsp;</td><td>- The set of devices to return. This set may be <a class="el" href="group__CUDA__D3D9_g9503b73234034811ae9594811fcadb48.html#gg9503b73234034811ae9594811fcadb487d126d9cf1514d7c41b38cf84113a4dd">CU_D3D9_DEVICE_LIST_ALL</a> for all devices, <a class="el" href="group__CUDA__D3D9_g9503b73234034811ae9594811fcadb48.html#gg9503b73234034811ae9594811fcadb48f8bd68d9d5a86fbf3c9e60ab2e607e41">CU_D3D9_DEVICE_LIST_CURRENT_FRAME</a> for the devices used to render the current frame (in SLI), or <a class="el" href="group__CUDA__D3D9_g9503b73234034811ae9594811fcadb48.html#gg9503b73234034811ae9594811fcadb48111afda57f25cc5c51a02078ca0530f2">CU_D3D9_DEVICE_LIST_NEXT_FRAME</a> for the devices used to render the next frame (in SLI).</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaaa0eed720f8a87cd1c5fd1c453bc7a03d">CUDA_SUCCESS</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaaacf52f132faf29b473cdda6061f0f44a">CUDA_ERROR_DEINITIALIZED</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa8feb999f0af99b4a25ab26b3866f4df8">CUDA_ERROR_NOT_INITIALIZED</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa761bea84083d384d4fb88d51d972aada">CUDA_ERROR_NO_DEVICE</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa90696c86fcee1f536a1ec7d25867feeb">CUDA_ERROR_INVALID_VALUE</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaaaf1cadbeb21d3a78115ca211ba44c053">CUDA_ERROR_NOT_FOUND</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaac5a6ab0245179d297f1fa56ed0097183">CUDA_ERROR_UNKNOWN</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__CUDA__D3D9_gab201a2284d11b00cdb4d6bba492e520.html#gab201a2284d11b00cdb4d6bba492e520" title="Create a CUDA context for interoperability with Direct3D 9.">cuD3D9CtxCreate</a> </dd></dl>

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