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| <title>Qualifiers</title> |
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| <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="Qualifiers"></a> |
| <h1>Qualifiers</h1> |
| <p> |
| OpenCL qualifiers. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| These are the qualifiers available in the OpenCL C programming language. Click on a |
| category name in the table below to see information about specific qualifiers. |
| </p> |
| <div class="informaltable"> |
| <table class="informaltable" border="1"> |
| <colgroup> |
| <col align="left" class="col1" /> |
| <col align="left" class="col2" /> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="accessQualifiers.html"><span class="citerefentry"><span class="refentrytitle">Access Qualifiers</span></span></a> |
| </td> |
| <td align="left"> |
| <div class="literallayout"><p>__read_only, read_only<br /> |
| __write_only, write_only<br /> |
| __read_write, read_write</p></div> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="function">Address Space Qualifiers</code> |
| </td> |
| <td align="left"> |
| <div class="literallayout"><p><a class="citerefentry" href="local.html"><span class="citerefentry"><span class="refentrytitle">__local, local</span></span></a><br /> |
| <a class="citerefentry" href="global.html"><span class="citerefentry"><span class="refentrytitle">__global, global</span></span></a><br /> |
| <a class="citerefentry" href="constant.html"><span class="citerefentry"><span class="refentrytitle">__constant, constant</span></span></a><br /> |
| <a class="citerefentry" href="private.html"><span class="citerefentry"><span class="refentrytitle">__private, private</span></span></a><br /> |
| <a class="citerefentry" href="genericAddressSpace.html"><span class="citerefentry"><span class="refentrytitle">__generic, generic</span></span></a></p></div> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="functionQualifiers.html"><span class="citerefentry"><span class="refentrytitle">Function Qualifiers</span></span></a> |
| </td> |
| <td align="left"> |
| <div class="literallayout"><p>__kernel, kernel<br /> |
| __attribute__ with work_group_size_hint, reqd_work_group_size, vec_type_hint</p></div> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="attributes-types.html"><span class="citerefentry"><span class="refentrytitle">Attribute Qualifiers for Type</span></span></a> |
| </td> |
| <td align="left"> |
| __attribute__ with aligned, packed |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="attributes-variables.html"><span class="citerefentry"><span class="refentrytitle">Attribute Qualifiers for Variables</span></span></a> |
| </td> |
| <td align="left"> |
| __attribute__ with aligned, packed, endian |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="attributes-blocksAndControlFlow.html"><span class="citerefentry"><span class="refentrytitle">Attribute Qualifiers for Blocks and Control Flow Statements</span></span></a> |
| </td> |
| <td align="left"> |
| __attribute__ |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="storageSpecifiers.html"><span class="citerefentry"><span class="refentrytitle">Storage-class Specifiers</span></span></a> |
| </td> |
| <td align="left"> |
| typedef, extern, static |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="function">C99 Type Qualifiers</code> |
| </td> |
| <td align="left">const, restrict, volatile |
| |
| <p> |
| The type qualifiers const, restrict and volatile as |
| defined by the C99 specification are supported. |
| These qualifiers cannot be used with |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_t</span></span></a>, |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image3d_t</span></span></a>, |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_array_t</span></span></a>, |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_t</span></span></a>, |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_buffer_t</span></span></a> |
| and <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_array_t</span></span></a> |
| types. Types other than pointer types shall not use the restrict qualifier. |
| </p> |
| |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </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-openclc.pdf#page=34" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="addressSpaceQualifierFuncs.html"><span class="citerefentry"><span class="refentrytitle">Address Space Qualifier Functions</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. |
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