Rationalize *RenderingMap notifications

2 files changed, 15 insertions, 3 deletions

diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index 59f23fe2b2..e1dd4671b2 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -156,9 +156,18 @@ public:
     bool isFullyLoaded() const;
 
 private:
+    View& view;
     const std::unique_ptr<Transform> transform;
     const std::unique_ptr<MapData> data;
     const std::unique_ptr<util::Thread<MapContext>> context;
+
+    enum class RenderState {
+        never,
+        partial,
+        fully
+    };
+
+    RenderState renderState = RenderState::never;
     bool paused = false;
 };
 
diff --git a/include/mbgl/map/view.hpp b/include/mbgl/map/view.hpp
index e3b0810c45..575d0df015 100644
--- a/include/mbgl/map/view.hpp
+++ b/include/mbgl/map/view.hpp
@@ -20,9 +20,12 @@ enum MapChange : uint8_t {
     MapChangeWillStartLoadingMap = 5,
     MapChangeDidFinishLoadingMap = 6,
     MapChangeDidFailLoadingMap = 7,
-    MapChangeWillStartRenderingMap = 8,
-    MapChangeDidFinishRenderingMap = 9,
-    MapChangeDidFinishRenderingMapFullyRendered = 10
+    MapChangeWillStartRenderingFrame = 8,
+    MapChangeDidFinishRenderingFrame = 9,
+    MapChangeDidFinishRenderingFrameFullyRendered = 10,
+    MapChangeWillStartRenderingMap = 11,
+    MapChangeDidFinishRenderingMap = 12,
+    MapChangeDidFinishRenderingMapFullyRendered = 13,
 };
 
 class View {