352     OffsetEdge* prevEdge = currEdge->fPrev;  in SkInsetConvexPolygon()  local
356     while (head && prevEdge != currEdge) {  in SkInsetConvexPolygon()
365         if (compute_intersection(prevEdge->fOffset, currEdge->fOffset,  in SkInsetConvexPolygon()
368             if (s < prevEdge->fTValue) {  in SkInsetConvexPolygon()
370                 remove_node(prevEdge, &head);  in SkInsetConvexPolygon()
373                 prevEdge = prevEdge->fPrev;  in SkInsetConvexPolygon()
386                 prevEdge = currEdge;  in SkInsetConvexPolygon()
393                                             prevEdge->fOffset.fP0);  in SkInsetConvexPolygon()
397                                              prevEdge->fOffset.fP0 + prevEdge->fOffset.fV)) {  in SkInsetConvexPolygon()
399                 remove_node(prevEdge, &head);  in SkInsetConvexPolygon()
402                 prevEdge = prevEdge->fPrev;  in SkInsetConvexPolygon()
1205     OffsetEdge* prevEdge = nullptr;  in SkOffsetSimplePolygon()  local
1229                 currEdge->fPrev = prevEdge;  in SkOffsetSimplePolygon()
1230                 if (prevEdge) {  in SkOffsetSimplePolygon()
1231                     prevEdge->fNext = currEdge;  in SkOffsetSimplePolygon()
1233                 prevEdge = currEdge;  in SkOffsetSimplePolygon()
1240             currEdge->fPrev = prevEdge;  in SkOffsetSimplePolygon()
1241             if (prevEdge) {  in SkOffsetSimplePolygon()
1242                 prevEdge->fNext = currEdge;  in SkOffsetSimplePolygon()
1244             prevEdge = currEdge;  in SkOffsetSimplePolygon()
1253         currEdge->fPrev = prevEdge;  in SkOffsetSimplePolygon()
1254         if (prevEdge) {  in SkOffsetSimplePolygon()
1255             prevEdge->fNext = currEdge;  in SkOffsetSimplePolygon()
1257         prevEdge = currEdge;  in SkOffsetSimplePolygon()
1260     SkASSERT(prevEdge);  in SkOffsetSimplePolygon()
1261     prevEdge->fNext = &edgeData[0];  in SkOffsetSimplePolygon()
1262     edgeData[0].fPrev = prevEdge;  in SkOffsetSimplePolygon()
1271     while (head && prevEdge != currEdge && offsetVertexCount > 0) {  in SkOffsetSimplePolygon()
1280         if (prevEdge->checkIntersection(currEdge, &intersection, &s, &t)) {  in SkOffsetSimplePolygon()
1282             if (s < prevEdge->fTValue) {  in SkOffsetSimplePolygon()
1284                 remove_node(prevEdge, &head);  in SkOffsetSimplePolygon()
1287                 prevEdge = prevEdge->fPrev;  in SkOffsetSimplePolygon()
1298                 currEdge->fIndex = prevEdge->fEnd;  in SkOffsetSimplePolygon()
1301                 prevEdge = currEdge;  in SkOffsetSimplePolygon()
1307             OffsetEdge* prevPrevEdge = prevEdge->fPrev;  in SkOffsetSimplePolygon()
1310             SkScalar dist1 = prevEdge->computeCrossingDistance(currNextEdge);  in SkOffsetSimplePolygon()
1316                                                                           prevEdge->fOffset.fP0);  in SkOffsetSimplePolygon()
1328                     remove_node(prevEdge, &head);  in SkOffsetSimplePolygon()
1329                     prevEdge = prevPrevEdge;  in SkOffsetSimplePolygon()
1337                 remove_node(prevEdge, &head);  in SkOffsetSimplePolygon()
1338                 prevEdge = prevPrevEdge;  in SkOffsetSimplePolygon()