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<?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>clGetGLTextureInfo</keyword>
</keywordset>
</refentryinfo>
<refmeta>
<refentrytitle>clGetGLTextureInfo</refentrytitle>
<refmiscinfo>
<copyright>
<year>2007-2011</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="clGetGLTextureInfo">
<refname>clGetGLTextureInfo</refname>
<refpurpose>
Returns additional information about the GL texture object associated with a memory 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>
clGetGLTextureInfo
</function>
</funcdef>
<paramdef>
<link xlink:href="abstractDataTypes.html">cl_mem</link>
<parameter>memobj</parameter>
</paramdef>
<paramdef>
<link xlink:href="enums.html#cl_gl_texture_info">cl_gl_texture_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> param_name </varname> </term>
<listitem>
<para>
<!-- parameter description --> Specifies what additional information
about the GL texture object associated with <varname>memobj</varname>
to query. The list of supported <varname>param_name</varname> types
and the information returned in <varname>param_value</varname> by
<function>clGetGLTextureInfo</function> is described in the table <!--
table 9.5 --> below.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term> <varname> param_value </varname> </term>
<listitem>
<para>
A pointer to memory where the result being queried is returned. If
<varname>param_value</varname> is NULL, it is ignored.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term> <varname> <!-- parameter name --> param_value_size </varname> </term>
<listitem>
<para>
Specifies 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>
</listitem>
</varlistentry>
<varlistentry>
<term> <varname> param_value_size_ret </varname> </term>
<listitem>
<para>
Returns 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>
<informaltable frame="all"><!-- table 9.5 -->
<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_gl_texture_info</entry>
<entry>Return Type</entry>
<entry>Information returned in <varname>param_value</varname></entry>
</row>
</thead>
<tbody>
<row>
<entry><constant>CL_GL_TEXTURE_TARGET</constant></entry>
<entry>GLenum</entry>
<entry>
The <varname>texture_target</varname> argument specified in
<citerefentry><refentrytitle>clCreateFromGLTexture</refentrytitle></citerefentry>.
</entry>
</row>
<row>
<entry><constant>CL_GL_MIPMAP_LEVEL</constant></entry>
<entry>GLint</entry>
<entry>
The <varname>miplevel</varname> argument specified in
<citerefentry><refentrytitle>clCreateFromGLTexture</refentrytitle></citerefentry>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
<!-- END PARAMETER TABLE -->
</listitem>
</varlistentry>
</variablelist>
</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_MEM_OBJECT</errorname> if <varname>memobj</varname>
is not a valid OpenCL memory object
</listitem>
<listitem>
<errorname>CL_INVALID_GL_OBJECT</errorname> if there is no GL texture object
associated with <varname>memobj</varname>.
</listitem>
<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, or if <varname>param_value</varname>
and <varname>param_value_size_ret</varname> are NULL.
</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="clGetGLTextureInfo">OpenCL Specification</olink>
</para>
</refsect1>
<!-- ================================ ALSO SEE -->
<refsect1 id="seealso"><title>Also see</title>
<para>
<citerefentry><refentrytitle>cl_khr_gl_sharing</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>clGetGLObjectInfo</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>clCreateFromGLTexture</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>clCreateFromGLTexture</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>
<!-- 24-Oct-2011 -->
</refentry>
|
