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| <title>clCloneKernel</title> |
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| <body> |
| <div class="refentry"> |
| <a id="id-1"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="clCloneKernel"></a> |
| <h1>clCloneKernel</h1> |
| <p> |
| Make a shallow copy of the kernel object. |
| </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="abstractDataTypes.html" target="pagedisplay">cl_kernel</a> |
| <strong class="fsfunc"> |
| clCloneKernel |
| </strong> |
| (</code> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="pagedisplay">cl_kernel</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">source_kernel</var>, </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">cl_int</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*errcode_ret</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">source_kernel</code> </span> |
| </dt> |
| <dd> |
| <p> |
| A valid <span class="type">cl_kernel</span> object that will be copied. |
| <code class="varname">source_kernel</code> will not be |
| modified in any way by this function. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> <code class="varname">errcode_ret</code> </span> |
| </dt> |
| <dd> |
| <p> |
| Assigned an appropriate error code. If <code class="varname">errcode_ret</code> |
| is <code class="code">NULL</code>, no error code is returned. |
| </p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| Makes a shallow copy of the kernel object, |
| its arguments and any information passed to |
| the kernel object using |
| <a class="citerefentry" href="clSetKernelExecInfo.html"><span class="citerefentry"><span class="refentrytitle">clSetKernelExecInfo</span></span></a>. |
| If the kernel object was ready to be enqueued |
| before copying it, the clone of the kernel |
| object is ready to enqueue. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="notes"></a> |
| <h2>Notes</h2> |
| <p> |
| The returned kernel object is an exact copy of |
| <code class="varname">source_kernel</code>, with one caveat: the reference |
| count on the returned kernel object is set as if it had been returned by |
| <a class="citerefentry" href="clCreateKernel.html"><span class="citerefentry"><span class="refentrytitle">clCreateKernel</span></span></a> . |
| The reference count of <code class="varname">source_kernel</code> will not be changed. |
| </p> |
| <p> |
| The resulting kernel will be in the same state as if |
| <a class="citerefentry" href="clCreateKernel.html"><span class="citerefentry"><span class="refentrytitle">clCreateKernel</span></span></a> |
| is called to create the |
| resultant kernel with the same arguments as those used to create |
| <code class="varname">source_kernel</code>, the latest call to |
| <a class="citerefentry" href="clSetKernelArg.html"><span class="citerefentry"><span class="refentrytitle">clSetKernelArg</span></span></a> |
| or |
| <a class="citerefentry" href="clSetKernelArgSVMPointer.html"><span class="citerefentry"><span class="refentrytitle">clSetKernelArgSVMPointer</span></span></a> |
| for each argument index applied to kernel and |
| the last call to |
| <a class="citerefentry" href="clSetKernelExecInfo.html"><span class="citerefentry"><span class="refentrytitle">clSetKernelExecInfo</span></span></a> |
| for each value of the param name parameter are applied to |
| the new kernel object. |
| </p> |
| <p> |
| All arguments of the new kernel object must be intact and it may be correctly used in the same |
| situations as kernel except those that assume a pre-existing reference count. Setting arguments on |
| the new kernel object will not affect <code class="varname">source_kernel</code> except insofar as the argument points to a |
| shared underlying entity and in that situation behavior is as if two kernel objects had been |
| created and the same argument applied to each. Only the data stored in the kernel object is |
| copied; data referenced by the kernel’s arguments are not copied. For example, if a buffer or |
| pointer argument is set on a kernel object, the pointer is copied but the underlying memory |
| allocation is not. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="errors"></a> |
| <h2>Errors</h2> |
| <p> |
| Returns a valid non-zero kernel object and |
| <code class="varname">errcode_ret</code> is set to |
| <code class="constant">CL_SUCCESS</code> if |
| the kernel is successfully copied. Otherwise |
| it returns a NULL value with one of the following |
| error values returned in |
| <code class="varname">errcode_ret</code>: |
| </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_KERNEL</span> if |
| <code class="varname">kernel</code> is not a valid kernel object. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_RESOURCES</span> |
| if there is a failure to allocate resources required by the |
| OpenCL implementation on the device. |
| </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="https://www.khronos.org/registry/cl/specs/opencl-2.1.pdf#page=230" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="clSetKernelExecInfo.html"><span class="citerefentry"><span class="refentrytitle">clSetKernelExecInfo</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 © 2007-2015 The Khronos Group Inc. |
| Permission is hereby granted, free of charge, to any person obtaining a |
| 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 |
| the condition that this copyright notice and permission notice shall be included |
| in all copies or substantial portions of the Materials. |
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