Make RenderLayer friend CrossTileSymbolIndex and Placement instead of making renderTiles entirely public.upstream/viewport-collision-small-stuff

1 files changed, 5 insertions, 1 deletions

diff --git a/src/mbgl/renderer/render_layer.hpp b/src/mbgl/renderer/render_layer.hpp
index aa5777a186..55831cb72c 100644
--- a/src/mbgl/renderer/render_layer.hpp
+++ b/src/mbgl/renderer/render_layer.hpp
@@ -81,10 +81,14 @@ public:
 
     friend std::string layoutKey(const RenderLayer&);
 
+protected:
+    // renderTiles are exposed directly to CrossTileSymbolIndex and Placement so they
+    // can update opacities in the symbol buckets immediately before rendering
+    friend class CrossTileSymbolIndex;
+    friend class Placement;
     // Stores current set of tiles to be rendered for this layer.
     std::vector<std::reference_wrapper<RenderTile>> renderTiles;
 
-protected:
     // Stores what render passes this layer is currently enabled for. This depends on the
     // evaluated StyleProperties object and is updated accordingly.
     RenderPass passes = RenderPass::None;