1 files changed, 6 insertions, 0 deletions
diff --git a/src/gpu/GrTessellator.cpp b/src/gpu/GrTessellator.cpp
index b8ec6551c9..00e5c8a21c 100644
--- a/src/gpu/GrTessellator.cpp
+++ b/src/gpu/GrTessellator.cpp
@@ -1421,6 +1421,12 @@ bool simplify(VertexList* mesh, Comparator& c, SkArenaAlloc& alloc) {
             LOG("\nvertex %g: (%g,%g), alpha %d\n", v->fID, v->fPoint.fX, v->fPoint.fY, v->fAlpha);
             restartChecks = false;
             find_enclosing_edges(v, &activeEdges, &leftEnclosingEdge, &rightEnclosingEdge);
+            if (rightEnclosingEdge && !rightEnclosingEdge->isRightOf(v)) {
+                split_edge(rightEnclosingEdge, v, &activeEdges, &v, c, alloc);
+                restartChecks = true;
+                continue;
+            }
+            SkASSERT(!rightEnclosingEdge || rightEnclosingEdge->isRightOf(v));
             v->fLeftEnclosingEdge = leftEnclosingEdge;
             v->fRightEnclosingEdge = rightEnclosingEdge;
             if (v->fFirstEdgeBelow) {