[core] RenderLayerSymbolInterface is not used in CrossTileSymbolIndex

2 files changed, 10 insertions, 1 deletions

diff --git a/src/mbgl/renderer/layers/render_symbol_layer.cpp b/src/mbgl/renderer/layers/render_symbol_layer.cpp
index 576bdd92d8..53b141816d 100644
--- a/src/mbgl/renderer/layers/render_symbol_layer.cpp
+++ b/src/mbgl/renderer/layers/render_symbol_layer.cpp
@@ -681,6 +681,15 @@ void RenderSymbolLayer::setRenderTiles(RenderTiles tiles, const TransformState&
 
         return std::tie(b.get().id.canonical.z, par.y, par.x) < std::tie(a.get().id.canonical.z, pbr.y, pbr.x);
     });
+
+    placementData.clear();
+    for (RenderTile& renderTile : renderTiles) {
+        auto bucket = renderTile.tile.getBucket<SymbolBucket>(*baseImpl);
+        if (bucket && bucket->bucketLeaderID == getID()) {
+            // Only place this layer if it's the "group leader" for the bucket
+            placementData.push_back({*bucket, renderTile});
+        }
+    }
 }
 
 } // namespace mbgl
diff --git a/src/mbgl/renderer/layers/render_symbol_layer.hpp b/src/mbgl/renderer/layers/render_symbol_layer.hpp
index 67b8a58314..ca9b42728c 100644
--- a/src/mbgl/renderer/layers/render_symbol_layer.hpp
+++ b/src/mbgl/renderer/layers/render_symbol_layer.hpp
@@ -69,7 +69,7 @@ private:
     void upload(gfx::UploadPass&, UploadParameters&) override;
     void render(PaintParameters&, RenderSource*) override;
     void setRenderTiles(RenderTiles, const TransformState&) override;
-
+    
     // RenderLayerSymbolInterface overrides
     const RenderLayerSymbolInterface* getSymbolInterface() const override;
     const std::string& layerID() const override;