eturned by
            <a class="citerefentry" href="glGetProgramBinary"><span class="citerefentry"><span class="refentrytitle">glGetProgramBinary</span></span></a>, or by
            <a class="citerefentry" href="glGetProgramiv"><span class="citerefentry"><span class="refentrytitle">glGetProgramiv</span></span></a> when called with
            <em class="parameter"><code>pname</code></em> set to <code class="constant">GL_PROGRAM_BINARY_LENGTH</code>.
            If these conditions are not met, loading the