When GrAAConvesTesselator was merging the first and last point of the array, it was deleting the la…

src/gpu/GrAAConvexTessellator.cpp

Index: src/gpu/GrAAConvexTessellator.cpp
diff --git a/src/gpu/GrAAConvexTessellator.cpp b/src/gpu/GrAAConvexTessellator.cpp
index 85ce7ba9ed6bc17681cbc791d7134210861e0539..ef237d45a22f3d04f663d9d6d4741d3511834d32 100644
--- a/src/gpu/GrAAConvexTessellator.cpp
+++ b/src/gpu/GrAAConvexTessellator.cpp
@@ -681,7 +681,14 @@ bool GrAAConvexTessellator::createInsetRing(const Ring& lastRing, Ring* nextRing
         if (!dupPrevVsNext) {
             dst[cur] = fCandidateVerts.fuseWithPrior(lastRing.origEdgeID(cur));
         } else {
-            dst[cur] = dst[cur-1] = fCandidateVerts.fuseWithBoth();
+            int fused = fCandidateVerts.fuseWithBoth();
+            dst[cur] = fused;

[robertphillips, 2015/07/07 18:50:54]

const ?

+            int targetIdx = dst[cur - 1];

[robertphillips, 2015/07/07 18:50:54]

I would personally make this a for loop ...

+            int i = cur - 1;
+            while (i >= 0 && dst[i] == targetIdx) {
+                dst[i] = fused;
+                i--;
+            }
         }
     }