[core] only index features within tile boundaries

Previously we relied on tile buffers for querying features who's
rendered representations cross tile boundaries. Now we query multiple
tiles making it unnecessary to index features that are completely
outside a tile's boundaries.

src/mbgl/geometry/feature_index.cpp

@@ -28,8 +28,13 @@ void FeatureIndex::insert(const GeometryCollection& geometries,
                           const std::string& bucketName) {
     for (const auto& ring : geometries) {
         auto envelope = mapbox::geometry::envelope(ring);
-        grid.insert(IndexedSubfeature(index, sourceLayerName, bucketName, sortIndex++),
-                    {convertPoint<float>(envelope.min), convertPoint<float>(envelope.max)});
+        if (envelope.min.x < util::EXTENT &&
+            envelope.min.y < util::EXTENT &&
+            envelope.max.x >= 0 &&
+            envelope.max.y >= 0) {
+            grid.insert(IndexedSubfeature(index, sourceLayerName, bucketName, sortIndex++),
+                        {convertPoint<float>(envelope.min), convertPoint<float>(envelope.max)});
+        }
     }
 }
 
@@ -106,7 +111,8 @@ std::unordered_map<std::string, std::vector<Feature>> FeatureIndex::lookupSymbol
     });
 
     for (const auto& symbolFeature : sortedFeatures) {
-        addFeature(result, symbolFeature, queryOptions, tileID.canonical, layers, GeometryCoordinates(), {}, 0, {});
+        mat4 unusedMatrix;
+        addFeature(result, symbolFeature, queryOptions, tileID.canonical, layers, GeometryCoordinates(), {}, 0, unusedMatrix);
     }
     return result;
 }

src/mbgl/renderer/layers/render_circle_layer.cpp

@@ -131,7 +131,7 @@ bool RenderCircleLayer::queryIntersectsFeature(
     auto stroke = evaluated.evaluate<style::CircleStrokeWidth>(zoom, feature);
     auto size = radius + stroke;
 
-	// For pitch-alignment: map, compare feature geometry to query geometry in the plane of the tile
+    // For pitch-alignment: map, compare feature geometry to query geometry in the plane of the tile
     // Otherwise, compare geometry in the plane of the viewport
     // A circle with fixed scaling relative to the viewport gets larger in tile space as it moves into the distance
     // A circle with fixed scaling relative to the map gets smaller in viewport space as it moves into the distance

src/mbgl/tile/geometry_tile.cpp

@@ -205,7 +205,7 @@ float GeometryTile::getQueryPadding(const std::vector<const RenderLayer*>& layer
     float queryPadding = 0;
     for (const RenderLayer* layer : layers) {
         auto bucket = getBucket(*layer->baseImpl);
-        if (bucket) {
+        if (bucket && bucket->hasData()) {
             queryPadding = std::max(queryPadding, bucket->getQueryRadius(*layer));
         }
     }