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    <title>clGetGLTextureInfo</title>
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    <div class="refentry">
      <a id="idm1"></a>
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      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="clGetGLTextureInfo"></a>
        <h1>clGetGLTextureInfo</h1>
        <p>
            Get additional information about the GL texture object associated with a memory 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">                   
                        clGetGLTextureInfo
                    </strong>
                (</code>
                <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">memobj</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_gl_texture_info" target="_top">cl_gl_texture_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="_top">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="_top">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="_top">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"> 
                        param_name
                    </code>
                </span>
            </dt>
            <dd>
              <p> 
Specifies what additional information about the GL texture object associated with
<code class="varname">memobj</code> 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">clGetGLTextureInfo</code>
is described in the table below.
                    </p>
            </dd>
            <dt>
              <span class="term">
                    <code class="varname"> 
                        param_value
                    </code>
                </span>
            </dt>
            <dd>
              <p> 
A pointer to memory where the 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>
Specifies the size in bytes of memory pointed to by <code class="varname">param_value</code>.
This size must be &gt;= size of return type as described in the table below.
                    </p>
            </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 copied to <code class="varname">param_value</code>. If
<code class="varname">param_value_size_ret</code> is NULL, it is ignored.
                    </p>
              <div class="informaltable">
                <table class="informaltable" 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_gl_texture_info</th>
                      <th align="left">Return Type</th>
                      <th align="left">Information returned in <code class="varname">param_value</code></th>
                    </tr>
                  </thead>
                  <tbody>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_GL_TEXTURE_TARGET</code>
                      </td>
                      <td align="left">GLenum</td>
                      <td align="left">
The <code class="varname">texture_target</code> argument specified in
<a class="citerefentry" href="clCreateGLTexture2D.html"><span class="citerefentry"><span class="refentrytitle">clCreateGLTexture2D</span></span></a>, or
<a class="citerefentry" href="clCreateGLTexture3D.html"><span class="citerefentry"><span class="refentrytitle">clCreateGLTexture3D</span></span></a>.
                                    </td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_GL_MIPMAP_LEVEL</code>
                      </td>
                      <td align="left">GLint</td>
                      <td align="left">
The <code class="varname">miplevel</code> argument specified in
<a class="citerefentry" href="clCreateGLTexture2D.html"><span class="citerefentry"><span class="refentrytitle">clCreateGLTexture2D</span></span></a>, or
<a class="citerefentry" href="clCreateGLTexture3D.html"><span class="citerefentry"><span class="refentrytitle">clCreateGLTexture3D</span></span></a>.
                                    </td>
                    </tr>
                  </tbody>
                </table>
              </div>
            </dd>
          </dl>
        </div>
      </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. It returns
<span class="errorname">CL_INVALID_MEM_OBJECT</span> if <code class="varname">memobj</code> is not a valid OpenCL memory object, <span class="errorname">CL_INVALID_GL_OBJECT</span> if there is no GL texture object associated with <code class="varname">memobj</code>, or <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 less than size of return type as described in the table above and <code class="varname">param_value</code> is not
NULL, or if <code class="varname">param_value</code> and <code class="varname">param_value_size_ret</code> are NULL.
        </p>
      </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=286" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="clGetGLObjectInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetGLObjectInfo</span></span></a>, 
            <a class="citerefentry" href="clCreateFromGLTexture2D.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromGLTexture2D</span></span></a>, 
			<a class="citerefentry" href="clCreateFromGLTexture3D.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromGLTexture3D</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
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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