From 685aa01043e765eb9b0a176fea6524a5b0ac0f6e Mon Sep 17 00:00:00 2001
From: "Justin R. Miller" <incanus@codesorcery.net>
Date: Fri, 6 Mar 2015 16:53:11 -0800
Subject: [PATCH] pass actual feature pbf when filtering layer features

---
 src/mbgl/map/vector_tile.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/mbgl/map/vector_tile.cpp b/src/mbgl/map/vector_tile.cpp
index 72142f0a0..235a4151d 100644
--- a/src/mbgl/map/vector_tile.cpp
+++ b/src/mbgl/map/vector_tile.cpp
@@ -179,13 +179,14 @@ template bool mbgl::evaluate(const FilterExpression&, const GeometryTileTagExtra
 
 util::ptr<GeometryTileFeature> FilteredVectorTileLayer::nextMatchingFeature() {
     while (feature_pbf.next(2)) {
-        pbf current_feature_pbf = feature_pbf.message();
+        pbf matching_feature_pbf = feature_pbf.message();
+        pbf current_feature_pbf = matching_feature_pbf;
 
         GeometryTileTagExtractor<pbf> extractor(layer);
 
         while (current_feature_pbf.next()) {
             if (current_feature_pbf.tag == 2) { // tags
-                extractor.setTags(current_feature_pbf);
+                extractor.setTags(current_feature_pbf.message());
             } else if (current_feature_pbf.tag == 3) { // geometry type
                 extractor.setType(GeometryFeatureType(current_feature_pbf.varint()));
             } else {
@@ -194,7 +195,7 @@ util::ptr<GeometryTileFeature> FilteredVectorTileLayer::nextMatchingFeature() {
         }
 
         if (evaluate(filterExpression, extractor)) {
-            return std::move(std::make_shared<VectorTileFeature>(current_feature_pbf.message(), layer));
+            return std::move(std::make_shared<VectorTileFeature>(matching_feature_pbf, layer));
         }
     }