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| <refentry> |
| <refentryinfo> |
| <keywordset> |
| <keyword>clGetKernelInfo</keyword> |
| </keywordset> |
| </refentryinfo> |
| |
| <refmeta> |
| <refentrytitle> |
| clGetKernelInfo |
| </refentrytitle> |
| |
| <refmiscinfo> |
| <copyright> |
| <year>2007-2013</year> |
| <holder>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.</holder> |
| </copyright> |
| </refmiscinfo> |
| <manvolnum>3</manvolnum> |
| </refmeta> |
| |
| <!-- ================================ SYNOPSIS --> |
| |
| <refnamediv id="clGetKernelInfo"> |
| <refname> |
| clGetKernelInfo |
| </refname> |
| |
| <refpurpose> |
| Returns information about the kernel object. |
| </refpurpose> |
| </refnamediv> |
| |
| <refsynopsisdiv xmlns:xlink="http://www.w3.org/1999/xlink"><title></title> |
| <funcsynopsis> |
| <funcprototype> |
| <funcdef> |
| <link xlink:href="scalarDataTypes.html">cl_int</link> |
| <function>clGetKernelInfo</function> |
| </funcdef> |
| |
| <paramdef> |
| <link xlink:href="abstractDataTypes.html">cl_kernel</link> |
| <parameter>kernel</parameter> |
| </paramdef> |
| |
| <paramdef> |
| <link xlink:href="#cl_kernel_info">cl_kernel_info</link> |
| <parameter>param_name</parameter> |
| </paramdef> |
| |
| <paramdef> |
| <link xlink:href="scalarDataTypes.html">size_t</link> |
| <parameter>param_value_size</parameter> |
| </paramdef> |
| |
| <paramdef> |
| <link xlink:href="scalarDataTypes.html">void</link> |
| <parameter>*param_value</parameter> |
| </paramdef> |
| |
| <paramdef> |
| <link xlink:href="scalarDataTypes.html">size_t</link> |
| <parameter>*param_value_size_ret</parameter> |
| </paramdef> |
| </funcprototype> |
| </funcsynopsis> |
| </refsynopsisdiv> |
| |
| <!-- ================================ PARAMETERS --> |
| |
| <refsect1 id="parameters"> |
| <title>Parameters</title> |
| <variablelist> |
| <varlistentry> |
| <term> <varname> kernel </varname> </term> |
| <listitem> |
| <para> |
| Specifies the kernel object being queried. |
| </para> |
| </listitem> |
| </varlistentry> |
| |
| <varlistentry> |
| <term> <varname> param_name </varname> </term> |
| <listitem> |
| <para> |
| Specifies the information to query. The list of supported |
| <varname>param_name</varname> types and the information returned in |
| <varname>param_value</varname> by <function>clGetKernelInfo</function> |
| is described in the table below. |
| </para> |
| </listitem> |
| </varlistentry> |
| |
| <varlistentry> |
| <term> <varname> param_value </varname> </term> |
| <listitem> |
| <para> |
| A pointer to memory where the appropriate result being queried is returned. |
| If <varname>param_value</varname> is NULL, it is ignored. |
| </para> |
| </listitem> |
| </varlistentry> |
| |
| <varlistentry> |
| <term> <varname> param_value_size </varname> </term> |
| <listitem> |
| <para> |
| Used to specify the size in bytes of memory pointed to |
| by <varname>param_value</varname>. |
| This size must be ≥ size of return |
| type as described in the table below. |
| </para> |
| |
| <!-- table 5.19 --> |
| <informaltable frame="all"><anchor id="cl_kernel_info"/> |
| <tgroup cols="3" align="left" colsep="1" rowsep="1"> |
| <colspec colname="col1" colnum="1" /> |
| <colspec colname="col2" colnum="2" /> |
| <colspec colname="col3" colnum="3" /> |
| <thead> |
| <row> |
| <entry>cl_kernel_info</entry> |
| <entry>Return Type</entry> |
| <entry>Info. returned in <varname>param_value</varname></entry> |
| </row> |
| </thead> |
| |
| <tbody> |
| <row> |
| <entry><constant>CL_KERNEL_FUNCTION_NAME</constant></entry> |
| <entry>char[]</entry> |
| <entry> |
| Return the kernel function name. |
| </entry> |
| </row> |
| |
| <row> |
| <entry><constant>CL_KERNEL_NUM_ARGS</constant></entry> |
| <entry>cl_uint</entry> |
| <entry> |
| Return the number of arguments to <varname>kernel</varname>. |
| </entry> |
| </row> |
| |
| <row> |
| <entry><constant>CL_KERNEL_REFERENCE_COUNT</constant></entry> |
| <entry>cl_uint</entry> |
| <entry> |
| <para> |
| Return the <varname>kernel</varname> reference count. |
| </para> |
| <para> |
| The reference count returned should be considered |
| immediately stale. It is unsuitable for general use |
| in applications. This feature is provided for identifying memory leaks. |
| </para> |
| </entry> |
| </row> |
| |
| <row> |
| <entry><constant>CL_KERNEL_CONTEXT</constant></entry> |
| <entry>cl_context</entry> |
| <entry> |
| Return the context associated with <varname>kernel</varname>. |
| </entry> |
| </row> |
| |
| <row> |
| <entry><constant>CL_KERNEL_PROGRAM</constant></entry> |
| <entry>cl_program</entry> |
| <entry> |
| Return the program object associated with <varname>kernel</varname>. |
| </entry> |
| </row> |
| |
| <row> |
| <entry><constant>CL_KERNEL_ATTRIBUTES</constant></entry> |
| <entry>char[]</entry> |
| <entry> |
| <para> |
| Returns any attributes specified using the |
| __<citerefentry><refentrytitle>attribute</refentrytitle></citerefentry>__ |
| qualifier with the kernel function declaration in |
| the program source. These attributes include those on the |
| __<citerefentry><refentrytitle>attribute</refentrytitle></citerefentry>__ |
| page and other attributes supported by an implementation. |
| </para> |
| |
| <para> |
| Attributes are returned as they were declared inside |
| __<citerefentry><refentrytitle>attribute</refentrytitle></citerefentry>__((...)), |
| with any surrounding whitespace and embedded newlines |
| removed. When multiple attributes are present, they are |
| returned as a single, space delimited string. |
| </para> |
| |
| <para> |
| For kernels not created from OpenCL |
| C source and the |
| <citerefentry><refentrytitle>clCreateProgramWithSource</refentrytitle></citerefentry> |
| API call the string returned from this |
| query will be empty. |
| </para> |
| </entry> |
| </row> |
| |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </listitem> |
| </varlistentry> |
| |
| <varlistentry> |
| <term> <varname> param_value_size_ret </varname> </term> |
| <listitem> |
| <para> |
| the actual size in bytes of data copied to <varname>param_value</varname>. |
| If <varname>param_value_size_ret</varname> is NULL, it is ignored. |
| </para> |
| </listitem> |
| </varlistentry> |
| |
| </variablelist> |
| </refsect1> |
| |
| <!-- ================================ NOTES --> |
| |
| |
| <!-- ================================ ERRORS --> |
| |
| <refsect1 id="errors"><title>Errors</title> |
| <para> |
| Returns <errorname>CL_SUCCESS</errorname> if the function is executed |
| successfully. Otherwise, it returns one of the following errors: |
| </para> |
| |
| <itemizedlist mark="disc"> |
| <listitem> |
| <errorname>CL_INVALID_VALUE</errorname> if <varname>param_name</varname> is not |
| valid, or if size in bytes specified by <varname>param_value_size</varname> |
| is < size of return type as described in the table above and |
| <varname>param_value</varname> is not NULL. |
| </listitem> |
| |
| <listitem> |
| <errorname>CL_INVALID_KERNEL</errorname> if <varname>kernel</varname> |
| is not a valid kernel object. |
| </listitem> |
| |
| <listitem> |
| <errorname>CL_OUT_OF_RESOURCES</errorname> if there is a failure to |
| allocate resources required by the |
| OpenCL implementation on the device. |
| </listitem> |
| |
| <listitem> |
| <errorname>CL_OUT_OF_HOST_MEMORY</errorname> if there is a failure |
| to allocate resources required by the |
| OpenCL implementation on the host. |
| </listitem> |
| </itemizedlist> |
| </refsect1> |
| |
| <!-- ================================ EXAMPLE --> |
| <!-- DO NOT DELETE IN CASE AN EXAMPLE IS ADDED IN THE FUTURE --> |
| <!-- |
| <refsect2 id="example1"> |
| <title> |
| Example |
| </title> |
| |
| <informaltable frame="none"> |
| <tgroup cols="1" align="left" colsep="0" rowsep="0"> |
| <colspec colname="col1" colnum="1" /> |
| <tbody> |
| <row> |
| <entry> |
| Example goes here - it will be set in "code" type with white space preserved. |
| </entry> |
| </row> |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </refsect2> |
| --> |
| |
| <!-- ================================ SPECIFICATION --> |
| <!-- Set the "uri" attribute in the <olink /> element to the "named destination" for the PDF page |
| --> |
| <refsect1 id="specification"><title>Specification</title> |
| <para> |
| <imageobject> |
| <imagedata fileref="pdficon_small1.gif" format="gif" /> |
| </imageobject> |
| |
| <olink uri="clGetKernelInfo">OpenCL Specification</olink> |
| </para> |
| </refsect1> |
| |
| <!-- ================================ ALSO SEE --> |
| |
| <refsect1 id="seealso"><title>Also see</title> |
| <para> |
| <citerefentry><refentrytitle>clCreateKernel</refentrytitle></citerefentry>, |
| <citerefentry><refentrytitle>clCreateKernelsInProgram</refentrytitle></citerefentry>, |
| <citerefentry><refentrytitle>clGetKernelArgInfo</refentrytitle></citerefentry>, |
| <citerefentry><refentrytitle>clRetainKernel</refentrytitle></citerefentry>, |
| <citerefentry><refentrytitle>clReleaseKernel</refentrytitle></citerefentry>, |
| <citerefentry><refentrytitle>clSetKernelArg</refentrytitle></citerefentry>, |
| <citerefentry><refentrytitle>clGetKernelWorkGroupInfo</refentrytitle></citerefentry> |
| </para> |
| </refsect1> |
| |
| <!-- ================================ COPYRIGHT --> |
| <!-- Content included from copyright.inc.xsl --> |
| |
| <refsect3 id="Copyright"><title></title> |
| <imageobject> |
| <imagedata fileref="KhronosLogo.jpg" format="jpg" /> |
| </imageobject> |
| <para /> |
| </refsect3> |
| |
| <!-- 25-Oct-2015, API rev. 19 --> |
| </refentry> |
| |