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| <title>clGetGLTextureInfo</title> |
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| <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="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 < 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 |
| 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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