[core] avoid symbol flickering when longitude is wrapped

1 files changed, 3 insertions, 1 deletions

diff --git a/src/mbgl/text/cross_tile_symbol_index.hpp b/src/mbgl/text/cross_tile_symbol_index.hpp
index 541c2e3661..051573e1d2 100644
--- a/src/mbgl/text/cross_tile_symbol_index.hpp
+++ b/src/mbgl/text/cross_tile_symbol_index.hpp
@@ -45,18 +45,20 @@ public:
     CrossTileSymbolLayerIndex();
     bool addBucket(const OverscaledTileID&, SymbolBucket&, uint32_t& maxCrossTileID);
     bool removeStaleBuckets(const std::unordered_set<uint32_t>& currentIDs);
+    void handleWrapJump(float newLng);
 private:
     void removeBucketCrossTileIDs(uint8_t zoom, const TileLayerIndex& removedBucket);
 
     std::map<uint8_t, std::map<OverscaledTileID,TileLayerIndex>> indexes;
     std::map<uint8_t, std::set<uint32_t>> usedCrossTileIDs;
+    float lng = 0;
 };
 
 class CrossTileSymbolIndex {
 public:
     CrossTileSymbolIndex();
 
-    bool addLayer(RenderSymbolLayer&);
+    bool addLayer(RenderSymbolLayer&, float lng);
     void pruneUnusedLayers(const std::set<std::string>&);
 
     void reset();