+static void dri2WaitX(__GLXDRIdrawable *pdraw)
+{
+ __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
+ XRectangle xrect;
+ XserverRegion region;
+
+ /* Check we have the right attachments */
+ if (!(priv->have_fake_front && priv->have_front))
+ return;
+
+ xrect.x = 0;
+ xrect.y = 0;
+ xrect.width = priv->width;
+ xrect.height = priv->height;
+
+#ifdef __DRI2_FLUSH
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flush)(pdraw->driDrawable);
+#endif
+
+ region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
+ DRI2CopyRegion(pdraw->psc->dpy, pdraw->drawable, region,
+ DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
+ XFixesDestroyRegion(pdraw->psc->dpy, region);
+}
+
+static void dri2WaitGL(__GLXDRIdrawable *pdraw)
+{
+ __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
+ XRectangle xrect;
+ XserverRegion region;
+
+ if (!(priv->have_fake_front && priv->have_front))
+ return;
+
+ xrect.x = 0;
+ xrect.y = 0;
+ xrect.width = priv->width;
+ xrect.height = priv->height;
+
+#ifdef __DRI2_FLUSH
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flush)(pdraw->driDrawable);
+#endif
+
+ region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
+ DRI2CopyRegion(pdraw->psc->dpy, pdraw->drawable, region,
+ DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
+ XFixesDestroyRegion(pdraw->psc->dpy, region);
+}
+