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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>glValidateProgramPipeline - OpenGL 4 Reference Pages</title>
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    <header/>
    <div class="refentry" id="glValidateProgramPipeline">
      <div class="titlepage"/>
      <div class="refnamediv">
        <h2>Name</h2>
        <p>glValidateProgramPipeline — validate a program pipeline object against current GL state</p>
      </div>
      <div class="refsynopsisdiv">
        <h2>C Specification</h2>
        <div class="funcsynopsis">
          <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table">
            <tr>
              <td>
                <code class="funcdef">void <strong class="fsfunc">glValidateProgramPipeline</strong>(</code>
              </td>
              <td>GLuint <var class="pdparam">pipeline</var><code>)</code>;</td>
            </tr>
          </table>
          <div class="funcprototype-spacer"> </div>
        </div>
      </div>
      <div class="refsect1" id="parameters">
        <h2>Parameters</h2>
        <div class="variablelist">
          <dl class="variablelist">
            <dt>
              <span class="term">
                <em class="parameter">
                  <code>pipeline</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                Specifies the name of a program pipeline object to validate.
            </p>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1" id="description">
        <h2>Description</h2>
        <p>
            <code class="function">glValidateProgramPipeline</code> instructs the implementation to validate the
            shader executables contained in <em class="parameter"><code>pipeline</code></em> against the current GL state.
            The implementation may use this as an opportunity to perform any internal shader modifications
            that may be required to ensure correct operation of the installed shaders given the
            current GL state.
        </p>
        <p>
            After a program pipeline has been validated, its validation status is set to <code class="constant">GL_TRUE</code>.
            The validation status of a program pipeline object may be queried by calling
            <a class="citerefentry" href="glGetProgramPipeline.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetProgramPipeline</span></span></a> with
            parameter <code class="constant">GL_VALIDATE_STATUS</code>.
        </p>
        <p>
            If <em class="parameter"><code>pipeline</code></em> is a name previously returned from a call to
            <a class="citerefentry" href="glGenProgramPipelines.xhtml"><span class="citerefentry"><span class="refentrytitle">glGenProgramPipelines</span></span></a> but
            that has not yet been bound by a call to <a class="citerefentry" href="glBindProgramPipeline.xhtml"><span class="citerefentry"><span class="refentrytitle">glBindProgramPipeline</span></span></a>,
            a new program pipeline object is created with name <em class="parameter"><code>pipeline</code></em> and
            the default state vector.
        </p>
      </div>
      <div class="refsect1" id="errors">
        <h2>Errors</h2>
        <p>
            <code class="constant">GL_INVALID_OPERATION</code> is generated if <em class="parameter"><code>pipeline</code></em> is not
            a name previously returned from a call to <a class="citerefentry" href="glGenProgramPipelines.xhtml"><span class="citerefentry"><span class="refentrytitle">glGenProgramPipelines</span></span></a>
            or if such a name has been deleted by a call to
            <a class="citerefentry" href="glDeleteProgramPipelines.xhtml"><span class="citerefentry"><span class="refentrytitle">glDeleteProgramPipelines</span></span></a>.
        </p>
      </div>
      <div class="refsect1" id="associatedgets">
        <h2>Associated Gets</h2>
        <p>
            <a class="citerefentry" href="glGetProgramPipeline.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetProgramPipeline</span></span></a>
            with parameter <code class="constant">GL_VALIDATE_STATUS</code>.
        </p>
      </div>
      <div class="refsect1" id="versions">
        <h2>Version Support</h2>
        <div class="informaltable">
          <table style="border-collapse: collapse; border-top: 2px solid ; border-bottom: 2px solid ; border-left: 2px solid ; border-right: 2px solid ; ">
            <colgroup>
              <col style="text-align: left; "/>
              <col style="text-align: center; " class="firstvers"/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; "/>
              <col style="text-align: center; " class="lastvers"/>
            </colgroup>
            <thead>
              <tr>
                <th style="text-align: left; border-right: 2px solid ; ">
                 
            </th>
                <th style="text-align: center; border-bottom: 2px solid ; " colspan="12">
                <span class="bold"><strong>OpenGL Version</strong></span>
            </th>
              </tr>
              <tr>
                <th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>Function / Feature Name</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>2.0</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>2.1</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>3.0</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>3.1</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>3.2</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>3.3</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>4.0</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>4.1</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>4.2</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>4.3</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>4.4</strong></span>
            </th>
                <th style="text-align: center; border-bottom: 2px solid ; ">
                <span class="bold"><strong>4.5</strong></span>
            </th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td style="text-align: left; border-right: 2px solid ; ">
                  <code class="function">glValidateProgramPipeline</code>
                </td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">✔</td>
                <td style="text-align: center; border-right: 2px solid ; ">✔</td>
                <td style="text-align: center; border-right: 2px solid ; ">✔</td>
                <td style="text-align: center; border-right: 2px solid ; ">✔</td>
                <td style="text-align: center; ">✔</td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1" id="seealso">
        <h2>See Also</h2>
        <p>
            <a class="citerefentry" href="glGenProgramPipelines.xhtml"><span class="citerefentry"><span class="refentrytitle">glGenProgramPipelines</span></span></a>,
            <a class="citerefentry" href="glBindProgramPipeline.xhtml"><span class="citerefentry"><span class="refentrytitle">glBindProgramPipeline</span></span></a>,
            <a class="citerefentry" href="glDeleteProgramPipelines.xhtml"><span class="citerefentry"><span class="refentrytitle">glDeleteProgramPipelines</span></span></a>
        </p>
      </div>
      <div class="refsect1" id="Copyright">
        <h2>Copyright</h2>
        <p>
            Copyright <span class="trademark"/>© 2010-2014 Khronos Group.
            This material may be distributed subject to the terms and conditions set forth in
            the Open Publication License, v 1.0, 8 June 1999.
            <a class="link" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
        </p>
      </div>
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