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<div class="navpath"><a class="el" href="group__CUDART__OPENGL.html">OpenGL Interoperability</a>
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<a class="anchor" name="gc6502eba2a85a3f222dc960de8df8115"></a><!-- doxytag: member="cuda_gl_interop.h::cudaGLSetGLDevice" ref="gc6502eba2a85a3f222dc960de8df8115" args="(int device)" -->
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<td class="memname"><a class="el" href="group__CUDART__TYPES_gf599e5b8b829ce7db0f5216928f6ecb6.html#gf599e5b8b829ce7db0f5216928f6ecb6">cudaError_t</a> cudaGLSetGLDevice </td>
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<td class="paramname"> <em>device</em> </td>
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<p>
Records the calling thread's current OpenGL context as the OpenGL context to use for OpenGL interoperability with the CUDA device <code>device</code> and sets <code>device</code> as the current device for the calling host thread.<p>
If <code>device</code> has already been initialized then this call will fail with the error <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038a906ddf08d574274bf7334adb1497550">cudaErrorSetOnActiveProcess</a>. In this case it is necessary to reset <code>device</code> using <a class="el" href="group__CUDART__DEVICE_gdcc2c6f914eb9461565b12648faa5e28.html#gdcc2c6f914eb9461565b12648faa5e28" title="Destroy all allocations and reset all state on the current device in the current...">cudaDeviceReset()</a> before OpenGL interoperability on <code>device</code> may be enabled.<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>device</em> </td><td>- Device to use for OpenGL interoperability</td></tr>
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<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#gg3f51e3575c2178246db0a94a430e0038938c6e8b96ecde62e3ab5137156f739a">cudaErrorInvalidDevice</a>, <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038a906ddf08d574274bf7334adb1497550">cudaErrorSetOnActiveProcess</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__OPENGL__DEPRECATED_g007799061a53c40d49696b94908fac05.html#g007799061a53c40d49696b94908fac05" title="Registers a buffer object for access by CUDA.">cudaGLRegisterBufferObject</a>, <a class="el" href="group__CUDART__OPENGL__DEPRECATED_g9af8ea709470748d17bed128627f4a2e.html#g9af8ea709470748d17bed128627f4a2e" title="Maps a buffer object for access by CUDA.">cudaGLMapBufferObject</a>, <a class="el" href="group__CUDART__OPENGL__DEPRECATED_ge0b087bcfe521b66fe21d5845f46e59f.html#ge0b087bcfe521b66fe21d5845f46e59f" title="Unmaps a buffer object for access by CUDA.">cudaGLUnmapBufferObject</a>, <a class="el" href="group__CUDART__OPENGL__DEPRECATED_g2edd5be9aadf75d30dadc0faf07c7189.html#g2edd5be9aadf75d30dadc0faf07c7189" title="Unregisters a buffer object for access by CUDA.">cudaGLUnregisterBufferObject</a>, <a class="el" href="group__CUDART__OPENGL__DEPRECATED_gd62e033470cd4721f698e24d023f0ca7.html#gd62e033470cd4721f698e24d023f0ca7" title="Maps a buffer object for access by CUDA.">cudaGLMapBufferObjectAsync</a>, <a class="el" href="group__CUDART__OPENGL__DEPRECATED_g3ffebe5981aceb33ac9b3e96331719f5.html#g3ffebe5981aceb33ac9b3e96331719f5" title="Unmaps a buffer object for access by CUDA.">cudaGLUnmapBufferObjectAsync</a>, <a class="el" href="group__CUDART__DEVICE_gdcc2c6f914eb9461565b12648faa5e28.html#gdcc2c6f914eb9461565b12648faa5e28" title="Destroy all allocations and reset all state on the current device in the current...">cudaDeviceReset</a> </dd></dl>
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