[core] sizeof(SymbolBucket) 2312 -> 2296

src/mbgl/renderer/buckets/symbol_bucket.cpp

@@ -25,10 +25,16 @@ SymbolBucket::SymbolBucket(style::SymbolLayoutProperties::PossiblyEvaluated layo
                            const std::vector<SymbolInstance>&& symbolInstances_,
                            float tilePixelRatio_)
     : layout(std::move(layout_)),
+      bucketLeaderID(std::move(bucketName_)),
       sdfIcons(sdfIcons_),
       iconsNeedLinear(iconsNeedLinear_ || iconSize.isDataDriven() || !iconSize.isZoomConstant()),
       sortFeaturesByY(sortFeaturesByY_),
-      bucketLeaderID(std::move(bucketName_)),
+      staticUploaded(false),
+      placementChangesUploaded(false),
+      dynamicUploaded(false),
+      sortUploaded(false),
+      justReloaded(false),
+      hasVariablePlacement(false),
       symbolInstances(std::move(symbolInstances_)),
       textSizeBinder(SymbolSizeBinder::create(zoom, textSize, TextSize::defaultValue())),
       iconSizeBinder(SymbolSizeBinder::create(zoom, iconSize, IconSize::defaultValue())),
@@ -170,8 +176,9 @@ void SymbolBucket::sortFeatures(const float angle) {
     if (!sortFeaturesByY) {
         return;
     }
+    assert (angle != std::numeric_limits<float>::max());
 
-    if (sortedAngle && *sortedAngle == angle) {
+    if (sortedAngle == angle) {
         return;
     }
 

src/mbgl/renderer/buckets/symbol_bucket.hpp

@@ -73,18 +73,19 @@ public:
     std::vector<std::reference_wrapper<SymbolInstance>> getSortedSymbols(const float angle);
 
     const style::SymbolLayoutProperties::PossiblyEvaluated layout;
-    const bool sdfIcons;
-    const bool iconsNeedLinear;
-    const bool sortFeaturesByY;
-
     const std::string bucketLeaderID;
+    float sortedAngle = std::numeric_limits<float>::max();
 
-    optional<float> sortedAngle;
-
-    bool staticUploaded = false;
-    bool placementChangesUploaded = false;
-    bool dynamicUploaded = false;
-    bool sortUploaded = false;
+    // Flags
+    const bool sdfIcons : 1;
+    const bool iconsNeedLinear : 1;
+    const bool sortFeaturesByY : 1;
+    bool staticUploaded : 1;
+    bool placementChangesUploaded : 1;
+    bool dynamicUploaded : 1;
+    bool sortUploaded : 1;
+    bool justReloaded : 1;
+    bool hasVariablePlacement : 1;
 
     std::vector<SymbolInstance> symbolInstances;
 
@@ -137,8 +138,7 @@ public:
 
     const float tilePixelRatio;
     uint32_t bucketInstanceId;
-    bool justReloaded = false;
-    bool hasVariablePlacement = false;
+
     mutable optional<bool> hasFormatSectionOverrides_;
 
     std::shared_ptr<std::vector<size_t>> featureSortOrder;