    Texture fetches from shaders after the
                        barrier will reflect data written by shaders prior to the barrier.
                    </p>
            </dd>
            <dt>
              <span class="term">
                <code class="constant">GL_SHADER_IMAGE_ACCESS_BARRIER_BIT</code>
              </span>
            </dt>
            <dd>
              <p>
                        Memory accesses using shader image
                        load, store, and atomic built-in functions is