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| <title>clGetSamplerInfo</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="clGetSamplerInfo"></a> |
| <h1> |
| clGetSamplerInfo |
| </h1> |
| <p> |
| Returns information about the sampler object. |
| </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="pagedisplay">cl_int</a> |
| <strong class="fsfunc">clGetSamplerInfo</strong> |
| (</code> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="pagedisplay">cl_sampler</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">sampler</var>, </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_sampler_info" target="pagedisplay">cl_sampler_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="pagedisplay">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="pagedisplay">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="pagedisplay">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">sampler</code> |
| </span> |
| </dt> |
| <dd> |
| <p>Specifies the sampler being queried.</p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">param_name</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| Specifies the information to query. The list of supported |
| <code class="varname">param_name</code> types and the information returned in |
| <code class="varname">param_value</code> by <code class="function">clGetSamplerInfo</code> is |
| described in the table below. |
| </p> |
| <div class="informaltable"> |
| <table border="1"> |
| <colgroup> |
| <col align="left" class="col1" /> |
| <col align="left" class="col2" /> |
| </colgroup> |
| <thead> |
| <tr> |
| <th align="left">cl_sampler_info</th> |
| <th align="left">Return Type and Info. returned in <code class="varname">param_value</code></th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_SAMPLER_REFERENCE_COUNT</code> |
| </td> |
| <td align="left"> |
| Return type: cl_uint |
| |
| <p> |
| Return the <code class="varname">sampler</code> reference count. 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. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_SAMPLER_CONTEXT</code> |
| </td> |
| <td align="left"> |
| Return type: cl_context |
| |
| <p> |
| Return the context specified when the sampler is created. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_SAMPLER_NORMALIZED_COORDS</code> |
| </td> |
| <td align="left"> |
| Return type: cl_bool |
| |
| <p> |
| Return the normalized coords value associated with |
| <code class="varname">sampler</code>. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_SAMPLER_ADDRESSING_MODE</code> |
| </td> |
| <td align="left"> |
| Return type: cl_addressing_mode |
| |
| <p> |
| Return the addressing mode value associated with |
| <code class="varname">sampler</code>. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <code class="constant">CL_SAMPLER_FILTER_MODE</code> |
| </td> |
| <td align="left"> |
| Return type: cl_filter_mode |
| |
| <p> |
| Return the filter mode value associated with <code class="varname">sampler</code>. |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </dd> |
| <dt> |
| <span class="term"> <code class="varname">param_value </code> </span> |
| </dt> |
| <dd> |
| <p> |
| A pointer to memory where the appropriate result being queried is returned. If |
| <code class="varname">param_value</code> is NULL, it is ignored. |
| </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 must be ≥ size of return type as |
| described in the table above. |
| </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 copied to <code class="varname">param_value</code>. |
| If <code class="varname">param_value_size_ret</code> is NULL, it is ignored. |
| </p> |
| </dd> |
| </dl> |
| </div> |
| </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 one of the following errors: |
| </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_VALUE</span> if <code class="varname">param_name</code> is not |
| valid, or if size in bytes specified by <code class="varname">param_value_size</code> |
| is < size of return type as described in the table above and |
| <code class="varname">param_value</code> is not NULL |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_SAMPLER</span> if <code class="varname">sampler</code> is a |
| not a valid sampler object. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_RESOURCES</span> if there is a failure to allocate |
| resources required by the OpenCL implementation on the device. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_HOST_MEMORY</span> if there is a failure to allocate |
| resources required by the OpenCL implementation on the host. |
| </li> |
| </ul> |
| </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-2.0.pdf#page=180" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="clCreateSamplerWithProperties.html"><span class="citerefentry"><span class="refentrytitle">clCreateSamplerWithProperties</span></span></a>, |
| <a class="citerefentry" href="clRetainSampler.html"><span class="citerefentry"><span class="refentrytitle">clRetainSampler</span></span></a>, |
| <a class="citerefentry" href="clReleaseSampler.html"><span class="citerefentry"><span class="refentrytitle">clReleaseSampler</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 © 2007-2013 The Khronos Group Inc. |
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