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| <title>clGetPlatformInfo</title> |
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| <meta name="keywords" content="clGetPlatformInfo" /> |
| </head> |
| <body> |
| <div class="refentry"> |
| <a id="idm1"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="clGetPlatformInfo"></a> |
| <h1>clGetPlatformInfo</h1> |
| <p>Get specific information about the OpenCL platform.</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">clGetPlatformInfo</strong>(</code> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_platform_id</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">platform</var>, </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_platform_info" target="_top">cl_platform_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">platform</code> |
| </span> |
| </dt> |
| <dd> |
| <p>The platform ID returned by <a class="citerefentry" href="clGetPlatformIDs.html"><span class="citerefentry"><span class="refentrytitle">clGetPlatformIDs</span></span></a> or can be NULL. If <code class="varname">platform</code> is NULL, the behavior is implementation-defined.</p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">param_name</code> |
| </span> |
| </dt> |
| <dd> |
| <p>An enumeration constant that identifies the platform information being queried. It can be one of the following values as specified in the table below.</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 in bytes must be greater than or equal to size of return type specified in the table below.</p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">param_value</code> |
| </span> |
| </dt> |
| <dd> |
| <p>A pointer to memory location where appropriate values for a given <code class="varname">param_value</code> will be returned. Acceptable <code class="varname">param_value</code> values are listed in the table below. If <code class="varname">param_value</code> is NULL, it is ignored.</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 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> |
| <dt> |
| <span class="term"></span> |
| </dt> |
| <dd> |
| <p> |
| OpenCL Platform Queries |
| </p> |
| <div class="informaltable"> |
| <table class="informaltable" border="1"> |
| <colgroup> |
| <col align="left" class="col1" /> |
| <col align="left" class="col2" /> |
| <col align="left" class="col2" /> |
| </colgroup> |
| <thead> |
| <tr> |
| <th align="left">cl_platform_info</th> |
| <th align="left">Return Type</th> |
| <th align="left">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_PLATFORM_PROFILE</code> |
| </td> |
| <td align="left">char[]</td> |
| <td align="left"> |
| <p>OpenCL profile string. Returns the profile name supported by the |
| implementation. The profile name returned can be one of the following strings:</p> |
| <p>FULL_PROFILE - if the implementation supports the OpenCL specification (functionality defined as part of the core specification and does not require any extensions to be |
| supported).</p> |
| <p>EMBEDDED_PROFILE - if the implementation supports the OpenCL embedded profile. The embedded profile is defined to be a subset for each version of OpenCL.</p></td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_PLATFORM_VERSION</code> |
| </td> |
| <td align="left">char[]</td> |
| <td align="left"><p>OpenCL version string. Returns the OpenCL version supported by the |
| implementation. This version string has the following format:</p> |
| <p><code class="varname">OpenCL<space><major_version.minor_version><space><platform-specific information></code></p> |
| <p>The <code class="varname">major_version.minor_version</code> value returned will be 1.0.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_PLATFORM_NAME</code> |
| </td> |
| <td align="left">char[]</td> |
| <td align="left">Platform name string.</td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_PLATFORM_VENDOR</code> |
| </td> |
| <td align="left">char[]</td> |
| <td align="left">Platform vendor string.</td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_PLATFORM_EXTENSIONS</code> |
| </td> |
| <td align="left">char[]</td> |
| <td align="left">Returns a space-separated list of extension names (the extension names |
| themselves do not contain any spaces) supported by the platform. Extensions defined here must be supported by all devices associated with this platform.</td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="notes"></a> |
| <h2>Notes</h2> |
| <p> |
| A null terminated string is returned by OpenCL query function calls if the return type of the information being queried is a char[]. |
| </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 the following:</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_PLATFORM</span> if <code class="varname">platform</code> is not a valid platform. |
| </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 one of the supported values or if size in bytes specified by <code class="varname">param_value_size</code> is less than size of return type and <code class="varname">param_value</code> is not a NULL value. |
| </li> |
| </ul> |
| </div> |
| <p> |
| The OpenCL specification does not describe the order of precedence for error codes returned by API calls. |
| </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=29" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="clGetPlatformIDs.html"><span class="citerefentry"><span class="refentrytitle">clGetPlatformIDs</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> |
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