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authorChris Loer <chris.loer@gmail.com>2018-05-01 13:05:51 -0700
committerChris Loer <chris.loer@mapbox.com>2018-05-01 15:25:26 -0700
commita6d70c2db73daf6b490be976b86a1c826a2edc3e (patch)
treefbbed7edda3a83e98d913dfada2d7b12b326f6ce
parentb820ca4686b923785f359d4e7054a2c47b5faff8 (diff)
downloadqtlocation-mapboxgl-a6d70c2db73daf6b490be976b86a1c826a2edc3e.tar.gz
[core] Don't copy TileLayerIndexes on every frame.
Fixes issue #11811 (too much CPU time spent in CrossTileSymbolIndex).
-rw-r--r--src/mbgl/text/cross_tile_symbol_index.cpp2
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) {