365     OffsetEdge* prevEdge = currEdge->fPrev;  in SkInsetConvexPolygon()  local
369     while (head && prevEdge != currEdge) {  in SkInsetConvexPolygon()
378         if (compute_intersection(prevEdge->fOffset, currEdge->fOffset,  in SkInsetConvexPolygon()
381             if (s < prevEdge->fTValue) {  in SkInsetConvexPolygon()
383                 remove_node(prevEdge, &head);  in SkInsetConvexPolygon()
386                 prevEdge = prevEdge->fPrev;  in SkInsetConvexPolygon()
399                 prevEdge = currEdge;  in SkInsetConvexPolygon()
406                                             prevEdge->fOffset.fP0);  in SkInsetConvexPolygon()
410                                              prevEdge->fOffset.fP0 + prevEdge->fOffset.fV)) {  in SkInsetConvexPolygon()
412                 remove_node(prevEdge, &head);  in SkInsetConvexPolygon()
415                 prevEdge = prevEdge->fPrev;  in SkInsetConvexPolygon()
1227     OffsetEdge* prevEdge = nullptr;  in SkOffsetSimplePolygon()  local
1251                 currEdge->fPrev = prevEdge;  in SkOffsetSimplePolygon()
1252                 if (prevEdge) {  in SkOffsetSimplePolygon()
1253                     prevEdge->fNext = currEdge;  in SkOffsetSimplePolygon()
1255                 prevEdge = currEdge;  in SkOffsetSimplePolygon()
1262             currEdge->fPrev = prevEdge;  in SkOffsetSimplePolygon()
1263             if (prevEdge) {  in SkOffsetSimplePolygon()
1264                 prevEdge->fNext = currEdge;  in SkOffsetSimplePolygon()
1266             prevEdge = currEdge;  in SkOffsetSimplePolygon()
1275         currEdge->fPrev = prevEdge;  in SkOffsetSimplePolygon()
1276         if (prevEdge) {  in SkOffsetSimplePolygon()
1277             prevEdge->fNext = currEdge;  in SkOffsetSimplePolygon()
1279         prevEdge = currEdge;  in SkOffsetSimplePolygon()
1282     SkASSERT(prevEdge);  in SkOffsetSimplePolygon()
1283     prevEdge->fNext = &edgeData[0];  in SkOffsetSimplePolygon()
1284     edgeData[0].fPrev = prevEdge;  in SkOffsetSimplePolygon()
1293     while (head && prevEdge != currEdge && offsetVertexCount > 0) {  in SkOffsetSimplePolygon()
1302         if (prevEdge->checkIntersection(currEdge, &intersection, &s, &t)) {  in SkOffsetSimplePolygon()
1304             if (s < prevEdge->fTValue) {  in SkOffsetSimplePolygon()
1306                 remove_node(prevEdge, &head);  in SkOffsetSimplePolygon()
1309                 prevEdge = prevEdge->fPrev;  in SkOffsetSimplePolygon()
1320                 currEdge->fIndex = prevEdge->fEnd;  in SkOffsetSimplePolygon()
1323                 prevEdge = currEdge;  in SkOffsetSimplePolygon()
1329             OffsetEdge* prevPrevEdge = prevEdge->fPrev;  in SkOffsetSimplePolygon()
1332             SkScalar dist1 = prevEdge->computeCrossingDistance(currNextEdge);  in SkOffsetSimplePolygon()
1338                                                                           prevEdge->fOffset.fP0);  in SkOffsetSimplePolygon()
1350                     remove_node(prevEdge, &head);  in SkOffsetSimplePolygon()
1351                     prevEdge = prevPrevEdge;  in SkOffsetSimplePolygon()
1359                 remove_node(prevEdge, &head);  in SkOffsetSimplePolygon()
1360                 prevEdge = prevPrevEdge;  in SkOffsetSimplePolygon()