440     WindowPtr pSrcWin, pDestWin;  in ProcShapeCombine()  local
452     rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixSetAttrAccess);  in ProcShapeCombine()
455     if (!pDestWin->optional)  in ProcShapeCombine()
456         MakeWindowOptional(pDestWin);  in ProcShapeCombine()
492     if (pSrcWin->drawable.pScreen != pDestWin->drawable.pScreen) {  in ProcShapeCombine()
504     if (!pDestWin->optional)  in ProcShapeCombine()
505         MakeWindowOptional(pDestWin);  in ProcShapeCombine()
508         destRgn = &pDestWin->optional->boundingShape;  in ProcShapeCombine()
511         destRgn = &pDestWin->optional->clipShape;  in ProcShapeCombine()
514         destRgn = &pDestWin->optional->inputShape;  in ProcShapeCombine()
520     return RegionOperate(client, pDestWin, (int) stuff->destKind,  in ProcShapeCombine()