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    <title>clGetGLTextureInfo</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="clGetGLTextureInfo"></a>
        <h1>clGetGLTextureInfo</h1>
        <p>
            Returns 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="pagedisplay">cl_int</a>
                    <strong class="fsfunc">
                        clGetGLTextureInfo
                    </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">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="pagedisplay">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="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"> 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 (Table 9.5).
                    </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 ≥ 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>
              <p>Table 9.5:</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_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="clCreateFromGLTexture.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromGLTexture</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="clCreateFromGLTexture.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromGLTexture</span></span></a>.
                                </td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_GL_NUM_SAMPLES</code>
                      </td>
                      <td align="left">GLsizei</td>
                      <td align="left">
                                    If the <a class="citerefentry" href="cl_khr_gl_msaa_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_gl_msaa_sharing</span></span></a>
                                    extension is supported,
                                    the <code class="varname">samples</code> argument passed to
                                    <code class="function">glTexImage2DMultisample</code> or 
                                    <code class="function">glTexImage3DMultisample</code>.
                                    If <code class="varname">image</code> is not a MSAA texture, 1 is 
                                    returned.
                                </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. 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_MEM_OBJECT</span> if <code class="varname">memobj</code>
                is not a valid OpenCL memory object
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_GL_OBJECT</span> if there is no GL texture object
              associated with <code class="varname">memobj</code>.
            </li>
            <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, or if <code class="varname">param_value</code>
              and <code class="varname">param_value_size_ret</code> are NULL.
            </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-extensions.pdf#page=54" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="cl_khr_gl_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_gl_sharing</span></span></a>,
            <a class="citerefentry" href="clGetGLObjectInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetGLObjectInfo</span></span></a>,
            <a class="citerefentry" href="clCreateFromGLTexture.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromGLTexture</span></span></a>,
            <a class="citerefentry" href="clCreateFromGLTexture.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromGLTexture</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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