179     int prevIndex = polygonSize - 1;  in SkIsConvexPolygon()  local
183     SkVector v0 = polygonVerts[currIndex] - polygonVerts[prevIndex];  in SkIsConvexPolygon()
211         prevIndex = currIndex;  in SkIsConvexPolygon()
1140                              uint16_t prevIndex, uint16_t currIndex, uint16_t nextIndex) {  in is_reflex_vertex()  argument
1141     int side = compute_side(inputPolygonVerts[prevIndex],  in is_reflex_vertex()
1142                             inputPolygonVerts[currIndex] - inputPolygonVerts[prevIndex],  in is_reflex_vertex()
1181     for (int currIndex = 0, prevIndex = inputPolygonSize - 1;  in SkOffsetSimplePolygon()  local
1183          prevIndex = currIndex, ++currIndex) {  in SkOffsetSimplePolygon()
1195                                  prevIndex, currIndex, nextIndex)) {  in SkOffsetSimplePolygon()
1198                 if (!SkComputeRadialSteps(normals[prevIndex], normals[currIndex], offset,  in SkOffsetSimplePolygon()
1228     for (int currIndex = 0, prevIndex = inputPolygonSize - 1;  in SkOffsetSimplePolygon()  local
1230          prevIndex = currIndex, ++currIndex) {  in SkOffsetSimplePolygon()
1234                              prevIndex, currIndex, nextIndex)) {  in SkOffsetSimplePolygon()
1237             SkVector prevNormal = normals[prevIndex];  in SkOffsetSimplePolygon()
1601     int prevIndex = polygonSize - 1;  in SkTriangulateSimplePolygon()  local
1602     SkVector v0 = polygonVerts[0] - polygonVerts[prevIndex];  in SkTriangulateSimplePolygon()
1609         triangulationVertices[currIndex].fPrevIndex = prevIndex;  in SkTriangulateSimplePolygon()
1618         prevIndex = currIndex;  in SkTriangulateSimplePolygon()
1629     prevIndex = polygonSize - 1;  in SkTriangulateSimplePolygon()
1630     for (int currIndex = 0; currIndex < polygonSize; prevIndex = currIndex, ++currIndex) {  in SkTriangulateSimplePolygon()
1634             TriangulationVertex::VertexType prevType = triangulationVertices[prevIndex].fVertexType;  in SkTriangulateSimplePolygon()