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<title>NVIDIA CUDA Library: cudaGLSetBufferObjectMapFlags</title>
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<a class="anchor" name="g1387ba74e07bd37242b0ea1fa5649030"></a><!-- doxytag: member="cuda_gl_interop.h::cudaGLSetBufferObjectMapFlags" ref="g1387ba74e07bd37242b0ea1fa5649030" args="(GLuint bufObj, unsigned int flags)" -->
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          <td class="paramtype">GLuint&nbsp;</td>
          <td class="paramname"> <em>bufObj</em>, </td>
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          <td class="paramtype">unsigned int&nbsp;</td>
          <td class="paramname"> <em>flags</em></td><td>&nbsp;</td>
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<p>
<dl compact><dt><b><a class="el" href="deprecated.html#_deprecated000033">Deprecated:</a></b></dt><dd>This function is deprecated as of CUDA 3.0.</dd></dl>
Set flags for mapping the OpenGL buffer <code>bufObj</code> <p>
Changes to flags will take effect the next time <code>bufObj</code> is mapped. The <code>flags</code> argument may be any of the following:<p>
<ul>
<li><a class="el" href="group__CUDART__OPENGL__DEPRECATED_g6bccefa8a35d845945a4db37ae83b2bc.html#gg6bccefa8a35d845945a4db37ae83b2bcf36e5420bd9f46ea4e822b4701543160">cudaGLMapFlagsNone</a>: Specifies no hints about how this buffer will be used. It is therefore assumed that this buffer will be read from and written to by CUDA kernels. This is the default value.</li><li><a class="el" href="group__CUDART__OPENGL__DEPRECATED_g6bccefa8a35d845945a4db37ae83b2bc.html#gg6bccefa8a35d845945a4db37ae83b2bc2e3680c59114c04ca7ecc8c92325f299">cudaGLMapFlagsReadOnly</a>: Specifies that CUDA kernels which access this buffer will not write to the buffer.</li><li><a class="el" href="group__CUDART__OPENGL__DEPRECATED_g6bccefa8a35d845945a4db37ae83b2bc.html#gg6bccefa8a35d845945a4db37ae83b2bc3e0758b9dbdab0d717774928cdd58114">cudaGLMapFlagsWriteDiscard</a>: Specifies that CUDA kernels which access this buffer will not read from the buffer and will write over the entire contents of the buffer, so none of the data previously stored in the buffer will be preserved.</li></ul>
<p>
If <code>bufObj</code> has not been registered for use with CUDA, then <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273">cudaErrorInvalidResourceHandle</a> is returned. If <code>bufObj</code> is presently mapped for access by CUDA, then <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e00382e491daacef266c7b3e3c1e140a6133c">cudaErrorUnknown</a> is returned.<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>&nbsp;</td><td>- Registered buffer object to set flags for </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>flags</em>&nbsp;</td><td>- Parameters for buffer mapping</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#gg3f51e3575c2178246db0a94a430e00383e8aef5398ee38e28ed41e357b48917c">cudaErrorInvalidValue</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_g4b7e5e82663df019a4bcf03d50835465.html#g4b7e5e82663df019a4bcf03d50835465" title="Set usage flags for mapping a graphics resource.">cudaGraphicsResourceSetMapFlags</a> </dd></dl>

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