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    <title>clEnqueueCopyImage</title>
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    <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="clEnqueueCopyImage"></a>
        <h1>
            clEnqueueCopyImage
        </h1>
        <p>
            Enqueues a command to copy image objects.
        </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="pagedisplay">cl_int</a>
 <strong class="fsfunc">clEnqueueCopyImage</strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="pagedisplay">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="abstractDataTypes.html" target="pagedisplay">cl_mem</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">src_image</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="pagedisplay">cl_mem</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">dst_image</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*src_origin</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*dst_origin</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*region</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">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="pagedisplay">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="pagedisplay">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>
                      Refers to the command-queue in which the copy command will be queued. The
                      OpenCL context associated with <code class="varname">command_queue</code>,
                      <code class="varname">src_image</code> and <code class="varname">dst_image</code> must be
                      the same.
                    </p>
            </dd>
            <dt>
              <span class="term">
                    <code class="varname">
                        src_image,
                    </code>
                    <code class="varname">
                        dst_image,
                    </code>
                </span>
            </dt>
            <dd>
              <p>
                        Can be 1D, 2D, 3D image or a 1D, 2D image array objects allowing us to perform the following actions:
                        </p>
              <div class="itemizedlist">
                <ul class="itemizedlist" style="list-style-type: disc; ">
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 1D image object to a 1D image object.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 1D image object to a scanline of a 2D image object and vice-versa.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 1D image object to a scanline of a 2D slice of a 3D image object and vice-versa.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 1D image object to a scanline of a specific image index of a 1D or 2D image
                                array object and vice-versa.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 2D image object to a 2D image object.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 2D image object to a 2D slice of a 3D image object and vice-versa.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 2D image object to a specific image index of a 2D image array object and vice versa.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy images from a 1D image array object to a 1D image array object.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy images from a 2D image array object to a 2D image array object.
                            </li>
                  <li class="listitem" style="list-style-type: disc">
                                Copy a 3D image object to a 3D image object.
                            </li>
                </ul>
              </div>
              <p>
                    </p>
            </dd>
            <dt>
              <span class="term"> <code class="varname"> src_origin </code> </span>
            </dt>
            <dd>
              <p>
                      Defines the (x, y, z) offset in pixels in the 1D, 2D or 3D image, the (x,
                      y) offset and the image index in the 2D image array or the (x) offset and
                      the image index in the 1D image array.  If <code class="varname">image</code>
                      is a 2D image object, <code class="varname">src_origin</code>[2] must
                      be 0.  If <code class="varname">src_image</code> is a 1D image object,
                      <code class="varname">src_origin</code>[1] and <code class="varname">src_origin</code>[2]
                      must be 0.  If <code class="varname">src_image</code> is a 1D image array object,
                      <code class="varname">src_origin</code>[2] must be 0.  If <code class="varname">src_image</code>
                      is a 1D image array object, <code class="varname">src_origin</code>[1] describes
                      the image index in the 1D image array. If <code class="varname">src_image</code>
                      is a 2D image array object, <code class="varname">src_origin</code>[2] describes
                      the image index in the 2D image array.
                    </p>
            </dd>
            <dt>
              <span class="term"> <code class="varname"> dst_origin </code> </span>
            </dt>
            <dd>
              <p>
                      Defines the (x, y, z) offset in pixels in the 1D, 2D or 3D image, the (x,
                      y) offset and the image index in the 2D image array or the (x) offset and
                      the image index in the 1D image array.  If <code class="varname">dst_image</code>
                      is a 2D image object, <code class="varname">dst_origin</code>[2] must be 0.
                      If <code class="varname">dst_image</code> is a 1D image or 1D image buffer object,
                      <code class="varname">dst_origin</code>[1] and <code class="varname">dst_origin</code>[2]
                      must be 0.  If <code class="varname">dst_image</code> is a 1D image array object,
                      <code class="varname">dst_origin</code>[2] must be 0.  If <code class="varname">dst_image</code>
                      is a 1D image array object, <code class="varname">dst_origin</code>[1] describes
                      the image index in the 1D image array. If <code class="varname">dst_image</code>
                      is a 2D image array object, <code class="varname">dst_origin</code>[2] describes
                      the image index in the 2D image array.
                    </p>
            </dd>
            <dt>
              <span class="term"> <code class="varname"> region </code> </span>
            </dt>
            <dd>
              <p>
                      Defines the <span class="emphasis"><em>(width, height, depth)</em></span> in pixels of
                      the 1D, 2D or 3D rectangle, the <span class="emphasis"><em>(width, height)</em></span> in
                      pixels of the 2D rectangle and the number of images of a 2D image array
                      or the <span class="emphasis"><em>(width)</em></span> in pixels of the 1D rectangle and the
                      number of images of a 1D image array.  If <code class="varname">src_image</code>
                      or <code class="varname">dst_image</code> is a 2D image object,
                      <code class="varname">region</code>[2] must be 1. If <code class="varname">src_image</code>
                      or <code class="varname">dst_image</code> is a 1D image or 1D image buffer object,
                      <code class="varname">region</code>[1] and <code class="varname">region</code>[2] must be 1.
                      If <code class="varname">src_image</code> or <code class="varname">dst_image</code> is a 1D
                      image array object, <code class="varname">region</code>[2] must be 1.
                    </p>
            </dd>
            <dt>
              <span class="term">
                    <code class="varname">
                        event_wait_list
                    ,</code>
                    <code class="varname">
                        num_events_in_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. The context associated with events in
                      <code class="varname">event_wait_list</code> and <code class="varname">command_queue</code> must
                      be the same.  The memory associated with <code class="varname">event_wait_list</code>
                      can be reused or freed after the function returns.
                    </p>
            </dd>
            <dt>
              <span class="term"> <code class="varname"> event </code> </span>
            </dt>
            <dd>
              <p>
                      Returns an event object that identifies this particular copy 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.
                      <a class="citerefentry" href="clEnqueueBarrierWithWaitList.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueBarrierWithWaitList</span></span></a>
                      can be used instead.  If the <code class="varname">event_wait_list</code>
                      and the <code class="varname">event</code> arguments are not NULL, the
                      <code class="varname">event</code> argument should not refer to an element of the
                      <code class="varname">event_wait_list</code> array.
                    </p>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>
          It is currently a requirement that the <code class="varname">src_image</code>
          and <code class="varname">dst_image</code> image memory objects for
          <code class="function">clEnqueueCopyImage</code> must have the exact same image format
          (i.e. the <a class="citerefentry" href="cl_image_format.html"><span class="citerefentry"><span class="refentrytitle">cl_image_format</span></span></a>
          descriptor specified when <code class="varname">src_image</code> and <code class="varname">dst_image</code>
          are created must match).
        </p>
      </div>
      <div class="refsect1">
        <a id="errors"></a>
        <h2>Errors</h2>
        <p>
          <code class="function">clEnqueueCopyImage</code> returns <span class="errorname">CL_SUCCESS</span> if
          the function is executed successfully. 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_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 the context associated
              with <code class="varname">command_queue</code>, <code class="varname">src_image</code> and
              <code class="varname">dst_image</code> are not the same or if the context associated with
              <code class="varname">command_queue</code> and events in <code class="varname">event_wait_list</code>
              are not the same.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_MEM_OBJECT</span> if <code class="varname">src_image</code>
              and <code class="varname">dst_image</code> are not valid image objects.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_IMAGE_FORMAT_MISMATCH</span> if <code class="varname">src_image</code>
              and <code class="varname">dst_image</code> do not use the same image format.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if the 2D or 3D rectangular region
              specified by <code class="varname">src_origin</code> and <code class="varname">src_origin</code> +
              <code class="varname">region</code> refers to a region outside <code class="varname">src_image</code>,
              or if the 2D or 3D rectangular region specified by <code class="varname">dst_origin</code>
              and <code class="varname">dst_origin</code> + <code class="varname">region</code> refers to a region
              outside <code class="varname">dst_image</code>.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if values in <code class="varname">src_origin</code>,
              <code class="varname">dst_origin</code> and <code class="varname">region</code> do not follow
              rules described in the argument description for <code class="varname">src_origin</code>,
              <code class="varname">dst_origin</code> and <code class="varname">region</code>.
            </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_events_in_wait_list</code> &gt; 0,
              or <code class="varname">event_wait_list</code> is not NULL and
              <code class="varname">num_events_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_INVALID_IMAGE_SIZE</span> if image dimensions (image width,
              height, specified or compute row and/or slice pitch) for <code class="varname">src_image</code>
              or <code class="varname">dst_image</code> are not supported by device associated with
              <code class="varname">queue</code>.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_IMAGE_FORMAT</span> if image format (image channel order
              and data type) for <code class="varname">src_image</code> or <code class="varname">dst_image</code>
              are not supported by device associated with <code class="varname">queue</code>.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_MEM_OBJECT_ALLOCATION_FAILURE</span> if there is a failure
              to allocate memory for data store associated with <code class="varname">src_image</code>
              or <code class="varname">dst_image</code>.
            </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>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_OPERATION</span> if the device
              associated with <code class="varname">command_queue</code> does
              not support images (i.e. <code class="constant">CL_DEVICE_IMAGE_SUPPORT</code> specified
              in the table  of OpenCL Device Queries for
              <a class="citerefentry" href="clGetDeviceInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetDeviceInfo</span></span></a>
              is <code class="constant">CL_FALSE</code>).
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_MEM_COPY_OVERLAP</span> if <code class="varname">src_image</code>
              and <code class="varname">dst_image</code> are the same image object and the source and
              destination regions overlap.
            </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-1.2.pdf#page=104" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="clEnqueueReadImage.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueReadImage</span></span></a>,
            <a class="citerefentry" href="clEnqueueWriteImage.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueWriteImage</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 © 2007-2011 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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