461     miOverlayTreePtr tParent = MIOVERLAY_GET_WINDOW_TREE(pParent);  in miOverlayComputeClips()  local
478     oldVis = tParent->visibility;  in miOverlayComputeClips()
507     tParent->visibility = newVis;  in miOverlayComputeClips()
509     dx = pParent->drawable.x - tParent->valdata->oldAbsCorner.x;  in miOverlayComputeClips()
510     dy = pParent->drawable.y - tParent->valdata->oldAbsCorner.y;  in miOverlayComputeClips()
521             tChild = tParent;  in miOverlayComputeClips()
547                 while (!tChild->nextSib && (tChild != tParent))  in miOverlayComputeClips()
549                 if (tChild == tParent)  in miOverlayComputeClips()
558             RegionTranslate(&tParent->borderClip, dx, dy);  in miOverlayComputeClips()
559             RegionTranslate(&tParent->clipList, dx, dy);  in miOverlayComputeClips()
563         RegionEmpty(&tParent->borderClip);  in miOverlayComputeClips()
564         RegionEmpty(&tParent->clipList);  in miOverlayComputeClips()
568     borderVisible = tParent->valdata->borderVisible;  in miOverlayComputeClips()
569     RegionNull(&tParent->valdata->borderExposed);  in miOverlayComputeClips()
570     RegionNull(&tParent->valdata->exposed);  in miOverlayComputeClips()
578             RegionSubtract(exposed, universe, &tParent->borderClip);  in miOverlayComputeClips()
581             RegionSubtract(&tParent->valdata->borderExposed,  in miOverlayComputeClips()
584             RegionSubtract(&tParent->valdata->borderExposed,  in miOverlayComputeClips()
587         RegionCopy(&tParent->borderClip, universe);  in miOverlayComputeClips()
591         RegionCopy(&tParent->borderClip, universe);  in miOverlayComputeClips()
593     if ((tChild = tParent->firstChild) && pParent->mapped) {  in miOverlayComputeClips()
604         for (tChild = tParent->firstChild; tChild; tChild = tChild->nextSib) {  in miOverlayComputeClips()
624         RegionCopy(&tParent->valdata->exposed, universe);  in miOverlayComputeClips()
628         RegionSubtract(&tParent->valdata->exposed,  in miOverlayComputeClips()
629                        universe, &tParent->clipList);  in miOverlayComputeClips()
636         tmp = tParent->clipList;  in miOverlayComputeClips()
637         tParent->clipList = *universe;  in miOverlayComputeClips()
727     miOverlayTreePtr tParent, tChild, tWin;  in miOverlayValidateTree()  local
746     tParent = MIOVERLAY_GET_WINDOW_TREE(newParent);  in miOverlayValidateTree()
751         tChild = tParent->firstChild;  in miOverlayValidateTree()
753     if (RegionBroken(&tParent->clipList) && !RegionBroken(&tParent->borderClip)) {  in miOverlayValidateTree()
755         RegionCopy(&totalClip, &tParent->borderClip);  in miOverlayValidateTree()
756         RegionIntersect(&totalClip, &totalClip, &tParent->pWin->winSize);  in miOverlayValidateTree()
758         for (tWin = tParent->firstChild; tWin != tChild; tWin = tWin->nextSib) {  in miOverlayValidateTree()
762         RegionEmpty(&tParent->clipList);  in miOverlayValidateTree()
773         RegionUnion(&totalClip, &totalClip, &tParent->clipList);  in miOverlayValidateTree()
794         RegionNull(&tParent->valdata->exposed);  in miOverlayValidateTree()
795         RegionNull(&tParent->valdata->borderExposed);  in miOverlayValidateTree()
803             RegionSubtract(&tParent->valdata->exposed, &totalClip,  in miOverlayValidateTree()
804                            &tParent->clipList);  in miOverlayValidateTree()
807         RegionCopy(&tParent->clipList, &totalClip);  in miOverlayValidateTree()