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<a class="anchor" name="ge0b087bcfe521b66fe21d5845f46e59f"></a><!-- doxytag: member="cuda_gl_interop.h::cudaGLUnmapBufferObject" ref="ge0b087bcfe521b66fe21d5845f46e59f" args="(GLuint bufObj)" -->
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<td>(</td>
<td class="paramtype">GLuint </td>
<td class="paramname"> <em>bufObj</em> </td>
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<dl compact><dt><b><a class="el" href="deprecated.html#_deprecated000031">Deprecated:</a></b></dt><dd>This function is deprecated as of CUDA 3.0.</dd></dl>
Unmaps the buffer object of ID <code>bufObj</code> for access by CUDA. When a buffer is unmapped, the base address returned by <a class="el" href="group__CUDART__OPENGL__DEPRECATED_g9af8ea709470748d17bed128627f4a2e.html#g9af8ea709470748d17bed128627f4a2e" title="Maps a buffer object for access by CUDA.">cudaGLMapBufferObject()</a> is invalid and subsequent references to the address result in undefined behavior. The OpenGL context used to create the buffer, or another context from the same share group, must be bound to the current thread when this is called.<p>
All streams in the current thread are synchronized with the current GL context.<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>bufObj</em> </td><td>- Buffer object to unmap</td></tr>
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</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#gg3f51e3575c2178246db0a94a430e00385fa2f00ab72ab5cf649a0a32351a20bf">cudaErrorInvalidDevicePointer</a>, <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038ba65258730d554f6ff59adc57a7a9b18">cudaErrorUnmapBufferObjectFailed</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_gc4dcf300df27f8cf51a89f0287b07861.html#gc4dcf300df27f8cf51a89f0287b07861" title="Unmap graphics resources.">cudaGraphicsUnmapResources</a> </dd></dl>
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