riers</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the barriers to insert. Must be a bitwise combination of <code class="constant">GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT</code>,
                    <code class="constant">GL_ELEMENT_ARRAY_BARRIER_BIT</code>, <code class="constant">GL_UNIFORM_BARRIER_BIT</code>, <code class="constant">GL_TEXTURE_FETCH_BARRIER_BIT</code>,
                    <code class="constant">GL_SHADER_IM