blob: 59626318935ccfa9ad02b3523f052fa65fefaf52 [file] [log] [blame]
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
<refentry>
<refentryinfo>
<keywordset>
<keyword>clGetPipeInfo</keyword>
</keywordset>
</refentryinfo>
<refmeta>
<refentrytitle>
clGetPipeInfo
</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="clGetPipeInfo">
<refname>
clGetPipeInfo
</refname>
<refpurpose>
Get information specific to a pipe object created with clCreatePipe.
</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>clGetPipeInfo</function>
</funcdef>
<paramdef>
<link xlink:href="abstractDataTypes.html">cl_mem</link>
<parameter>pipe</parameter>
</paramdef>
<paramdef>
<link xlink:href="enums.html#cl_pipe_info">cl_pipe_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> pipe </varname> </term>
<listitem>
<para>
Specifies the pipe 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>clGetPipeInfo</function> is described
in the table below.
</para>
<!-- table 5.10 -->
<informaltable frame="all">
<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_pipe_info</entry>
<entry>Return Type</entry>
<entry>Info. returned in <varname>param_value</varname></entry>
</row>
</thead>
<tbody>
<row>
<entry><constant>CL_PIPE_PACKET_SIZE</constant></entry>
<entry>cl_uint</entry>
<entry>
Return pipe packet size specified when
<varname>pipe</varname> is created with
<citerefentry><refentrytitle>clCreatePipe</refentrytitle></citerefentry>.
</entry>
</row>
<row>
<entry><constant>CL_PIPE_MAX_PACKETS</constant></entry>
<entry>cl_uint</entry>
<entry>
Return max. number of packets specified
when <varname>pipe</varname> is created with
<citerefentry><refentrytitle>clCreatePipe</refentrytitle></citerefentry>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</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 &ge; size of return type as described in the table above.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term> <varname> param_value_size_ret </varname> </term>
<listitem>
<para>
Returns the actual size in bytes of data being queried by <varname>param_value</varname>.
If <varname>param_value_size_ret</varname> is NULL, it is ignored.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<!-- ================================ NOTES -->
<refsect1 id="description"><title>Notes</title>
<para>
To get information that is common to all memory objects,
use the <citerefentry><refentrytitle>clGetMemObjectInfo</refentrytitle></citerefentry> function.
</para>
</refsect1>
<!-- ================================ 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 &lt; the size of return type as
described in the table above and <varname>param_value</varname> is not NULL.
</listitem>
<listitem>
<errorname>CL_INVALID_MEM_OBJECT</errorname> if <varname>pipe</varname>
is a not a valid memory 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="clGetPipeInfo">OpenCL Specification</olink>
</para>
</refsect1>
<!-- ================================ ALSO SEE -->
<refsect1 id="seealso"><title>Also see</title>
<para>
<citerefentry><refentrytitle>clGetImageInfo</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-Dec-2013, rev. 19 -->
</refentry>