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    <title>clGetProgramInfo</title>
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        <a xmlns="http://www.w3.org/1999/xhtml" id="clGetProgramInfo"></a>
        <h1>     
            clGetProgramInfo
        </h1>
        <p>          
            Returns information about the program 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="_top">cl_int</a>
 <strong class="fsfunc">clGetProgramInfo</strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_program</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">program</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="#cl_program_info">cl_program_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="_top">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="_top">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="_top">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">
						program
                    </code>
                </span>
            </dt>
            <dd>
              <p> 
						Specifies the program object 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">clGetProgramInfo</code> is described in the table below.
                    </p>
              <div class="informaltable">
                <a id="cl_program_info"></a>
                <table class="informaltable" border="1">
                  <colgroup>
                    <col align="left" class="col1" />
                    <col align="left" class="col2" />
                  </colgroup>
                  <thead>
                    <tr>
                      <th align="left">cl_program_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_PROGRAM_REFERENCE_COUNT</code>
                      </td>
                      <td align="left">Return type: cl_uint 
										<p>Return the <code class="varname">program</code> reference count.</p>
										<p>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_PROGRAM_CONTEXT</code>
                      </td>
                      <td align="left">Return type: cl_context
										<p>
								Return the context specified when the program object is created
									</p></td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_PROGRAM_NUM_DEVICES</code>
                      </td>
                      <td align="left">Return type: cl_uint 
											<p>Return the number of devices associated with <code class="varname">program</code>.
									</p></td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_PROGRAM_DEVICES</code>
                      </td>
                      <td align="left">Return type: cl_device_id[] 
											<p>Return the list of devices associated
											with the program object. This can be
											the devices associated with context on
											which the program object has been
											created or can be a subset of devices
											that are specified when a progam object
											is created using
											<a class="citerefentry" href="clCreateProgramWithBinary.html"><span class="citerefentry"><span class="refentrytitle">clCreateProgramWithBinary</span></span></a>.</p>
									</td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_PROGRAM_SOURCE</code>
                      </td>
                      <td align="left">Return type: char[] 
										
										<p>
											Return the program source code specified by
											<a class="citerefentry" href="clCreateProgramWithSource.html"><span class="citerefentry"><span class="refentrytitle">clCreateProgramWithSource</span></span></a>. The
											source string returned is a
											concatenation of all source strings
											specified to
											<a class="citerefentry" href="clCreateProgramWithSource.html"><span class="citerefentry"><span class="refentrytitle">clCreateProgramWithSource</span></span></a> with a
											null terminator. The concatenation
											strips any nulls in the original source
											strings.
										</p>
										<p>
											The actual number of characters that
											represents the program source code
											including the null terminator is returned
											in <code class="varname">param_value_size_ret</code>.
										</p>
									</td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_PROGRAM_BINARY_SIZES</code>
                      </td>
                      <td align="left">Return type: size_t[]
											<p>Returns an array that contains the size
											in bytes of the program binary for each
											device associated with <code class="varname">program</code>. The
											size of the array is the number of
											devices associated with <code class="varname">program</code>. If a
											binary is not available for a device(s),
											a size of zero is returned.</p>
									</td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_PROGRAM_BINARIES</code>
                      </td>
                      <td align="left">Return type: unsigned char *[]
										<p>
											Return the program binaries for all
											devices associated with <code class="varname">program</code>. For each device in <code class="varname">program</code>, the binary returned can be the binary specified for the device when <code class="varname">program</code> is created with <a class="citerefentry" href="clCreateProgramWithBinary.html"><span class="citerefentry"><span class="refentrytitle">clCreateProgramWithBinary</span></span></a> or it can be the executable binary generated by <a class="citerefentry" href="clBuildProgram.html"><span class="citerefentry"><span class="refentrytitle">clBuildProgram</span></span></a>. If program is created with 			<a class="citerefentry" href="clCreateProgramWithSource.html"><span class="citerefentry"><span class="refentrytitle">clCreateProgramWithSource</span></span></a>, the binary returned is the binary generated by <a class="citerefentry" href="clBuildProgram.html"><span class="citerefentry"><span class="refentrytitle">clBuildProgram</span></span></a>. The bits returned can be an implementation-specific intermediate representation (a.k.a. IR) or device specific executable bits or both. The decision on which information is returned in the binary is up to the OpenCL implementation.
										</p>
										<p>
											<code class="varname">param_value</code> points to an array of n
											pointers where n is the number of
											devices associated with program. The
											buffer sizes needed to allocate the
											memory that these n pointers refer to
											can be queried using the
											<code class="constant">CL_PROGRAM_BINARY_SIZES</code> query
											as described in this table.
										</p>
										<p>
											Each entry in this array is used by the
											implementation as the location in
											memory where to copy the program
											binary for a specific device, if there is a
											binary available. To find out which
											device the program binary in the array
											refers to, use the
											<code class="constant">CL_PROGRAM_DEVICES</code> query to get
											the list of devices. There is a one-to-one
											correspondence between the array
											of n pointers returned by
											<code class="constant">CL_PROGRAM_BINARIES</code> and array of
											devices returned by
											<code class="constant">CL_PROGRAM_DEVICES.</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>
						Used to specify the size in bytes of memory pointed to by <code class="varname">param_value</code>.
						This size must be greater than or equal to the 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>
			<code class="function">clGetProgramInfo</code> returns <span class="errorname">CL_SUCCESS</span> if the function is executed successfully, returns
			<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 less than the size of return type as described in the table above and <code class="varname">param_value</code> is not
			NULL, and returns <span class="errorname">CL_INVALID_PROGRAM</span> if <code class="varname">program</code> is a not a valid program object.
		</p>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />
			
				      
            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.0.pdf#page=96" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="clGetProgramBuildInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetProgramBuildInfo</span></span></a>
        </p>
      </div>
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            Copyright ©
    Copyright © 2007-2009 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
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