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| <title>clEnqueueAcquireD3D10ObjectsKHR</title> |
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| <div class="refentry"> |
| <a id="idp357856"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="clEnqueueAcquireD3D10ObjectsKHR"></a> |
| <h1>clEnqueueAcquireD3D10ObjectsKHR</h1> |
| <p>Acquire OpenCL memory objects that have been created from Direct3D 10 resources</p> |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2></h2> |
| <div class="funcsynopsis"> |
| <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> |
| <tr valign="bottom"> |
| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"> |
| <a class="link" href="scalarDataTypes.html" target="_top">cl_int</a> |
| <strong class="fsfunc">clEnqueueAcquireD3D10ObjectsKHR</strong>(</code> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_command_queue</a> |
| <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">command_queue</var>, </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">cl_uint</a> |
| <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_objects</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_mem</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*mem_objects</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">cl_uint</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_events_in_wait_list</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td> |
| const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_event</a> |
| <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*event_wait_list</var> |
| , </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_event</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*event</var><code>)</code></td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="parameters"></a> |
| <h2>Parameters</h2> |
| <div class="variablelist"> |
| <dl class="variablelist"> |
| <dt> |
| <span class="term"> |
| <code class="varname">command_queue</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| A valid command-queue. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">num_objects</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| The number of memory objects to be acquired in <code class="varname">mem_objects</code>. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">mem_objects</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| A pointer to a list of OpenCL memory objects that were created from |
| Direct3D 10 resources. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"><code class="varname">num_events_in_wait_list</code>, <code class="varname">event_wait_list</code></span> |
| </dt> |
| <dd> |
| <p> |
| Specify events that need to complete before this particular command can be executed. |
| If <code class="varname">event_wait_list</code> is NULL, then this particular command does not |
| wait on any event to complete. If <code class="varname">event_wait_list</code> is NULL, |
| <code class="varname">num_events_in_wait_list</code> must be 0. If <code class="varname">event_wait_list</code> |
| is not NULL, the list of events pointed to by <code class="varname">event_wait_list</code> must be |
| valid and <code class="varname">num_events_in_wait_list</code> must be greater than 0. The events |
| specified in <code class="varname">event_wait_list</code> act as synchronization points. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">event</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| An event object that identifies this particular command and can be used to query |
| or queue a wait for this particular command to complete. <code class="varname">event</code> can |
| be NULL in which case it will not be possible for the application to query the status |
| of this command or queue a wait for this command to complete. |
| </p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="notes"></a> |
| <h2>Notes</h2> |
| <p> |
| The Direct3D 10 objects are acquired by the OpenCL context associated with |
| <code class="varname">command-queue</code> and can therefore be used by all command-queues |
| associated with the OpenCL context. |
| </p> |
| <p> |
| OpenCL memory objects created from Direct3D 10 resources must be acquired before |
| they can be used by any OpenCL commands queued to a command-queue. If an OpenCL memory |
| object created from a Direct3D 10 resource is used while it is not currently acquired |
| by OpenCL, the call attempting to use that OpenCL memory object will return |
| CL_D3D10_RESOURCE_NOT_ACQUIRED_KHR. |
| </p> |
| <p> |
| <code class="function">clEnqueueAcquireD3D10ObjectsKHR</code> provides the synchronization guarantee |
| that any Direct3D 10 calls made before <code class="function">clEnqueueAcquireD3D10ObjectsKHR</code> |
| is called will complete executing before <code class="varname">event</code> reports completion and before |
| the execution of any subsequent OpenCL work issued in <code class="varname">command_queue</code> begins. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="errors"></a> |
| <h2>Errors</h2> |
| <p> |
| Returns <span class="errorname">CL_SUCCESS</span> returns <span class="errorname">CL_SUCCESS</span> if the function |
| is executed successfully. If <<code class="varname">num_objects</code>> is 0 and |
| <<code class="varname">mem_objects</code>> is NULL then the function does nothing and returns |
| <span class="errorname">CL_SUCCESS</span>. Otherwise it returns one of the following errors: |
| </p> |
| <div class="itemizedlist"> |
| <ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if <code class="varname">num_objects</code> is zero and |
| <code class="varname">mem_objects</code> is not a NULL value or if <code class="varname">num_objects</code> |
| > 0 and <code class="varname">mem_objects</code> is NULL. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_MEM_OBJECT</span> if memory objects in <code class="varname">mem_objects</code> |
| are not valid OpenCL memory objects or if memory objects in <code class="varname">mem_objects</code> have |
| not been created from Direct3D 10 resources. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_COMMAND_QUEUE</span> if <code class="varname">command_queue</code> is not |
| a valid command-queue. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_CONTEXT</span> if context associated with |
| <code class="varname">command_queue</code> was not created from an Direct3D 10 context. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_D3D10_RESOURCE_ALREADY_ACQUIRED_KHR</span> if memory objects in |
| <code class="varname">mem_objects</code> is not have previously been acquired using |
| <code class="function">clEnqueueAcquireD3D10ObjectsKHR</code> but have not been released using |
| <a class="citerefentry" href="clEnqueueReleaseD3D10ObjectsKHR.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueReleaseD3D10ObjectsKHR</span></span></a>. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_EVENT_WAIT_LIST</span> if <code class="varname">event_wait_list</code> is |
| NULL and <code class="varname">num_event_in_wait_list</code> > 0, or <code class="varname">event_wait_list</code> |
| is not NULL and <code class="varname">num_event_in_wait_list</code> is 0, or if event objects in |
| <code class="varname">event_wait_list</code> are not valid events. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_HOST_MEMORY</span> if there is a failure to allocate |
| resources required by the OpenCL implementation on the host. |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="specification"></a> |
| <h2>Specification</h2> |
| <p><img src="pdficon_small1.gif" /> |
| <a href="http://www.khronos.org/registry/cl/specs/opencl-1.1.pdf#page=343" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="cl_khr_d3d10_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d10_sharing</span></span></a>, |
| <a class="citerefentry" href="clGetDeviceIDsFromD3D10KHR.html"><span class="citerefentry"><span class="refentrytitle">clGetDeviceIDsFromD3D10KHR</span></span></a>, |
| <a class="citerefentry" href="clCreateFromD3D10BufferKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10BufferKHR</span></span></a>, |
| <a class="citerefentry" href="clCreateFromD3D10Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture2DKHR</span></span></a>, |
| <a class="citerefentry" href="clCreateFromD3D10Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture3DKHR</span></span></a>, |
| |
| <a class="citerefentry" href="clEnqueueReleaseD3D10ObjectsKHR.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueReleaseD3D10ObjectsKHR</span></span></a> |
| </p> |
| </div> |
| <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2010 The Khronos Group Inc. |
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| copy of this software and/or associated documentation files (the |
| "Materials"), to deal in the Materials without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Materials, and to |
| permit persons to whom the Materials are furnished to do so, subject to |
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