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<title>clEnqueueCopyBufferToImage</title>
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<div class="refentry">
<a id="idm1"></a>
<div class="titlepage"></div>
<div xmlns="" class="refnamediv">
<a xmlns="http://www.w3.org/1999/xhtml" id="clEnqueueCopyBufferToImage"></a>
<h1>
clEnqueueCopyBufferToImage
</h1>
<p>
Enqueues a command to copy a buffer object to an image 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="scalarDataTypes.html" target="_top">cl_int</a>
<strong class="fsfunc">clEnqueueCopyBufferToImage</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="abstractDataTypes.html" target="_top">cl_mem</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">src_buffer</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_mem</a>  <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">dst_image</var>, </td>
</tr>
<tr valign="top">
<td> </td>
<td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">src_offset</var>, </td>
</tr>
<tr valign="top">
<td> </td>
<td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">dst_origin</var>[3], </td>
</tr>
<tr valign="top">
<td> </td>
<td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">region</var>[3], </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. The OpenCL context associated with
<code class="varname">command_queue</code>, <code class="varname">src_buffer</code>, and <code class="varname">dst_image</code> must be the same.
</p>
</dd>
<dt>
<span class="term">
<code class="varname">
src_buffer
</code>
</span>
</dt>
<dd>
<p>
A valid buffer object.
</p>
</dd>
<dt>
<span class="term">
<code class="varname">
dst_image
</code>
</span>
</dt>
<dd>
<p>
A valid image object.
</p>
</dd>
<dt>
<span class="term">
<code class="varname">
src_offset
</code>
</span>
</dt>
<dd>
<p>
The offset where to begin copying data from <code class="varname">src_buffer</code>.
</p>
</dd>
<dt>
<span class="term">
<code class="varname">
dst_origin
</code>
</span>
</dt>
<dd>
<p>
The (<span class="emphasis"><em>x, y, z</em></span>) offset in pixels where to begin copying data to <code class="varname">dst_image</code>. If <code class="varname">dst_image</code> is a 2D image object, the <span class="emphasis"><em>z</em></span> value given by <code class="varname">dst_origin</code>[2] must be 0.
</p>
</dd>
<dt>
<span class="term">
<code class="varname">
region
</code>
</span>
</dt>
<dd>
<p>
Defines the (<code class="varname">width</code>, <code class="varname">height</code>, <code class="varname">depth</code>) in pixels of the 2D or 3D rectangle to copy. If <code class="varname">dst_image</code> is a 2D image object, the <code class="varname">depth</code> value given by <code class="varname">region</code>[2] must be 1.
</p>
<p>
The size in bytes of the region to be copied from <code class="varname">src_buffer</code> referred to as <code class="varname">src_cb</code> is computed as <code class="varname">width</code> * <code class="varname">height</code> * <code class="varname">depth</code> * <code class="varname">bytes</code>/<code class="varname">image element</code> if <code class="varname">dst_image</code> is a 3D image object and is computed as <code class="varname">width</code> * <code class="varname">height</code> * <code class="varname">bytes</code>/<code class="varname">image element</code> if <code class="varname">dst_image</code> is a 2D image object.
</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.
</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="clEnqueueBarrier.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueBarrier</span></span></a> can be used instead.
</p>
</dd>
</dl>
</div>
</div>
<div class="refsect1">
<a id="errors"></a>
<h2>Errors</h2>
<p>
<code class="function">clEnqueueCopyBufferToImage</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_buffer</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_buffer</code> is not a valid buffer object and <code class="varname">dst_image</code> is not a valid image object.
</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">dst_origin</code> and
<code class="varname">dst_origin</code> + <code class="varname">region</code> refers to a region outside <code class="varname">dst_origin</code>, or if the region specified
by <code class="varname">src_offset</code> and <code class="varname">src_offset</code> + <code class="varname">src_cb</code> refers to a region outside
<code class="varname">src_buffer</code>.
</li>
<li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if <code class="varname">dst_image</code> is a 2D image object and <code class="varname">dst_origin</code>[2] is not equal to 0
or <code class="varname">region</code>[2] is not equal to 1.
</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> greater than 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_MEM_OBJECT_ALLOCATION_FAILURE</span> if there is a failure to allocate memory for
data store associated with <code class="varname">src_buffer</code> or <code class="varname">dst_image</code>.
</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-1.0.pdf#page=74" target="OpenCL Spec">OpenCL Specification</a>
</p>
</div>
<div class="refsect1">
<a id="seealso"></a>
<h2>Also see</h2>
<p>
<a class="citerefentry" href="clEnqueueReadBuffer.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueReadBuffer</span></span></a>,
<a class="citerefentry" href="clEnqueueWriteBuffer.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueWriteBuffer</span></span></a>,
<a class="citerefentry" href="clCreateBuffer.html"><span class="citerefentry"><span class="refentrytitle">clCreateBuffer</span></span></a>,
<a class="citerefentry" href="clEnqueueCopyBuffer.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueCopyBuffer</span></span></a>,
<a class="citerefentry" href="clEnqueueCopyImageToBuffer.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueCopyImageToBuffer</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 © 2007-2009 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
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