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author | Chris Loer <chris.loer@gmail.com> | 2018-05-01 13:05:51 -0700 |
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committer | Chris Loer <chris.loer@mapbox.com> | 2018-05-02 09:42:03 -0700 |
commit | a96fe6ad87d386f25a57a2a7a6632382951733f0 (patch) | |
tree | db6c214533085eedaa947d8e23c76df788bf5958 /src | |
parent | 5a147f6335314defeed26c570ebcfe217e2af5d9 (diff) | |
download | qtlocation-mapboxgl-a96fe6ad87d386f25a57a2a7a6632382951733f0.tar.gz |
[core] Don't copy TileLayerIndexes on every frame.
Fixes issue #11811 (too much CPU time spent in CrossTileSymbolIndex).
Diffstat (limited to 'src')
-rw-r--r-- | src/mbgl/text/cross_tile_symbol_index.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mbgl/text/cross_tile_symbol_index.cpp b/src/mbgl/text/cross_tile_symbol_index.cpp index f88bab9d6f..01a4a02b4e 100644 --- a/src/mbgl/text/cross_tile_symbol_index.cpp +++ b/src/mbgl/text/cross_tile_symbol_index.cpp @@ -62,7 +62,7 @@ CrossTileSymbolLayerIndex::CrossTileSymbolLayerIndex() { } bool CrossTileSymbolLayerIndex::addBucket(const OverscaledTileID& tileID, SymbolBucket& bucket, uint32_t& maxCrossTileID) { - auto thisZoomIndexes = indexes[tileID.overscaledZ]; + const auto& thisZoomIndexes = indexes[tileID.overscaledZ]; auto previousIndex = thisZoomIndexes.find(tileID); if (previousIndex != thisZoomIndexes.end()) { if (previousIndex->second.bucketInstanceId == bucket.bucketInstanceId) { |