      Wraps stencil buffer value to zero when incrementing the maximum
                        representable unsigned value.
                    </p></dd><dt><span class="term"><code class="constant">GL_DECR</code></span></dt><dd><p>
                        Decrements the current stencil buffer value.
                        Clamps to 0.
                    </p></dd><dt><span class="term"><code class="constant">GL_DECR_WRAP</code></span></dt><dd><p>
                        Decrements the current stencil buf