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</style>
<title>clGetImageInfo</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1" />
<meta name="keywords" content="clGetImageInfo" />
</head>
<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="clGetImageInfo"></a>
<h1>
clGetImageInfo
</h1>
<p>
Get information specific to an image object created with clCreateImage.
</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">clGetImageInfo</strong>
(</code>
<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">image</var>
, </td>
</td>
</tr>
<tr valign="top">
<td> </td>
<td>
<a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_image_info" target="pagedisplay">cl_image_info</a>
 <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">param_name</var>
, </td>
</tr>
<tr valign="top">
<td> </td>
<td>
<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">param_value_size</var>
, </td>
</tr>
<tr valign="top">
<td> </td>
<td>
<a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">void</a>
 <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*param_value</var>
, </td>
</tr>
<tr valign="top">
<td> </td>
<td>
<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">*param_value_size_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"> image </code> </span>
</dt>
<dd>
<p>
Specifies the image object being queried.
</p>
</dd>
<dt>
<span class="term"> <code class="varname"> param_name </code> </span>
</dt>
<dd>
<p>
Specifies the information to query. The list of supported
<code class="varname">param_name</code> types and the information returned in
<code class="varname">param_value</code> by <code class="function">clGetImageInfo</code>
is described in the table below (Table 5.9).
</p>
</dd>
<dt>
<span class="term"> <code class="varname"> param_value </code> </span>
</dt>
<dd>
<p>
A pointer to memory where the appropriate result being queried is returned.
If <code class="varname">param_value</code> is NULL, it is ignored.
</p>
</dd>
<dt>
<span class="term"> <code class="varname"> param_value_size </code> </span>
</dt>
<dd>
<p>
Used to specify the size in bytes of memory pointed to by
<code class="varname">param_value</code>. This size must be ≥ size of return
type as described in the table below (Table 5.9).
</p>
<div class="informaltable">
<table border="1">
<colgroup>
<col align="left" class="col1" />
<col align="left" class="col2" />
<col align="left" class="col3" />
</colgroup>
<thead>
<tr>
<th align="left">cl_image_info</th>
<th align="left">Return Type</th>
<th align="left">Info. returned in <code class="varname">param_value</code></th>
</tr>
</thead>
<tbody>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_FORMAT</code>
</td>
<td align="left">cl_image_format</td>
<td align="left">
Return image format descriptor specified
when <code class="varname">image</code> is created with
<a class="citerefentry" href="clCreateImage.html"><span class="citerefentry"><span class="refentrytitle">clCreateImage</span></span></a>.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_ELEMENT_SIZE</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return size of each element of the image memory object
given by <code class="varname">image</code> in bytes. An element is made up of
<code class="varname">n</code> channels. The value of <code class="varname">n</code>
is given in
<a class="citerefentry" href="cl_image_format.html"><span class="citerefentry"><span class="refentrytitle">cl_image_format</span></span></a>
descriptor.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_ROW_PITCH</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return calculated row pitch in bytes of a row of elements of the image object
given by <code class="varname">image</code>.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_SLICE_PITCH</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return calculated slice pitch in bytes of a 2D slice for the
3D image object or size of each image in a 1D or 2D image
array given by <code class="varname">image</code>. For a 1D image,
1D image buffer and 2D image object return 0.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_WIDTH</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return width of image in pixels.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_HEIGHT</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return height of image in pixels. For a 1D image, 1D image
buffer and 1D image array object, height = 0.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_DEPTH</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return depth of the image in pixels. For a 1D image, 1D image
buffer, 2D image or 1D and 2D image array object, depth = 0.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_ARRAY_SIZE</code>
</td>
<td align="left">size_t</td>
<td align="left">
Return number of images in the image array.
If <code class="varname">image</code> is not an image array, 0 is returned.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_NUM_MIP_LEVELS</code>
</td>
<td align="left">cl_uint</td>
<td align="left">
Return num_mip_levels associated with <code class="varname">image</code>.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_NUM_SAMPLES</code>
</td>
<td align="left">cl_uint</td>
<td align="left">
Return num_samples associated with <code class="varname">image</code>.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_D3D10_SUBRESOURCE_KHR</code>
</td>
<td align="left">ID3D10Resource *</td>
<td align="left">
(if the
<a class="citerefentry" href="cl_khr_d3d10_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d10_sharing</span></span></a>
extension is enabled) If
<code class="varname">image</code> was created using
<a class="citerefentry" href="clCreateFromD3D10Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture2DKHR</span></span></a>
or
<a class="citerefentry" href="clCreateFromD3D10Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture3DKHR</span></span></a>,
returns the <code class="varname">subresource</code> argument specified
when <code class="varname">image</code> was created.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_DX9_MEDIA_PLANE_KHR</code>
</td>
<td align="left">cl_uint</td>
<td align="left">
Returns the <code class="varname">plane</code> argument value specified
when <code class="varname">memobj</code> is created using
<a class="citerefentry" href="clCreateFromDX9MediaSurfaceKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromDX9MediaSurfaceKHR</span></span></a>.
(If the
<a class="citerefentry" href="cl_khr_dx9_media_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_dx9_media_sharing</span></span></a>
extension is supported)
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_D3D11_-
SUBRESOURCE_KHR</code>
</td>
<td align="left">ID3D11Resource *</td>
<td align="left">
If the
<a class="citerefentry" href="cl_khr_d3d11_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d11_sharing</span></span></a>
extension is suported, If
<code class="varname">image</code> was created using
<a class="citerefentry" href="clCreateFromD3D11Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture2DKHR</span></span></a>,
or
<a class="citerefentry" href="clCreateFromD3D11Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture3DKHR</span></span></a>,
returns the <code class="varname">subresource</code> argument specified
when <code class="varname">image</code> was created.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_D3D11_-
SUBRESOURCE_KHR</code>
</td>
<td align="left">UINT</td>
<td align="left">
If the
<a class="citerefentry" href="cl_khr_d3d11_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d11_sharing</span></span></a>
extension is suported, If
<code class="varname">image</code> was created using
<a class="citerefentry" href="clCreateFromD3D11Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture2DKHR</span></span></a>,
or
<a class="citerefentry" href="clCreateFromD3D11Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture3DKHR</span></span></a>,
returns the <code class="varname">subresource</code> argument specified
when <code class="varname">image</code> was created.
</td>
</tr>
<tr>
<td align="left">
<code class="constant">CL_IMAGE_D3D11_-
SUBRESOURCE_KHR</code>
</td>
<td align="left">UINT</td>
<td align="left">
If the
<a class="citerefentry" href="cl_khr_d3d11_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d11_sharing</span></span></a>
extension is suported, If
<code class="varname">image</code> was created using
<a class="citerefentry" href="clCreateFromD3D11Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture2DKHR</span></span></a>,
or
<a class="citerefentry" href="clCreateFromD3D11Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture3DKHR</span></span></a>,
returns the <code class="varname">subresource</code> argument specified
when <code class="varname">image</code> was created.
</td>
</tr>
</tbody>
</table>
</div>
</dd>
<dt>
<span class="term">
<code class="varname">
param_value_size_ret
</code>
</span>
</dt>
<dd>
<p>
Returns the actual size in bytes of data being queried by <code class="varname">param_value</code>.
If <code class="varname">param_value_size_ret</code> is NULL, it is ignored.
</p>
</dd>
</dl>
</div>
</div>
<div class="refsect1">
<a id="notes"></a>
<h2>Notes</h2>
<p>
To get information that is common to all memory objects, use the
<a class="citerefentry" href="clGetMemObjectInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetMemObjectInfo</span></span></a> function.
</p>
</div>
<div class="refsect1">
<a id="errors"></a>
<h2>Errors</h2>
<p>
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_VALUE</span> if <code class="varname">param_name</code> is not
valid, or if size in bytes specified by <code class="varname">param_value_size</code>
is &lt; size of return type as described in the table above and
<code class="varname">param_value</code> is not NULL.
</li>
<li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_MEM_OBJECT</span> if <code class="varname">image</code> is a
not a valid image 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>
<li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_DX9_MEDIA_SURFACE_KHR</span> if
<code class="varname">param_name</code> is <code class="constant">CL_IMAGE_DX9_MEDIA_PLANE_KHR</code>
and <code class="varname">image</code> was not created by the function
<a class="citerefentry" href="clCreateFromDX9MediaSurfaceKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromDX9MediaSurfaceKHR</span></span></a>.
(If the
<a class="citerefentry" href="cl_khr_dx9_media_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_dx9_media_sharing</span></span></a>
extension is supported)
</li>
<li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_D3D10_RESOURCE_KHR</span> if
<code class="varname">param_name</code> is <code class="constant">CL_MEM_D3D10_SUBRESOURCE_KHR</code>
and <code class="varname">image</code> was not created by the function
<a class="citerefentry" href="clCreateFromD3D10Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture2DKHR</span></span></a>
or
<a class="citerefentry" href="clCreateFromD3D10Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture3DKHR</span></span></a>.
(If the
<a class="citerefentry" href="cl_khr_d3d10_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d10_sharing</span></span></a>
extension is supported)
</li>
<li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_D3D11_RESOURCE_KHR</span> if
<code class="varname">param_name</code> is <code class="constant">CL_MEM_D3D11_SUBRESOURCE_KHR</code>
and <code class="varname">image</code> was not created by the function
<a class="citerefentry" href="clCreateFromD3D11Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture2DKHR</span></span></a>
or
<a class="citerefentry" href="clCreateFromD3D11Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D11Texture3DKHR</span></span></a>.
(If the
<a class="citerefentry" href="cl_khr_d3d11_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d11_sharing</span></span></a>
extension is supported)
</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=157" target="OpenCL Spec">OpenCL Specification</a>
</p>
</div>
<div class="refsect1">
<a id="seealso"></a>
<h2>Also see</h2>
<p>
<a class="citerefentry" href="clGetMemObjectInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetMemObjectInfo</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
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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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