2 files changed, 9 insertions, 3 deletions
diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index 9661bcc7bc..65f988b5bf 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -44,7 +44,8 @@ class Map : private util::noncopyable {
 
 public:
     explicit Map(View&, FileSource&,
-                 MapMode mode = MapMode::Continuous);
+                 MapMode mapMode = MapMode::Continuous,
+                 GLContextMode contextMode = GLContextMode::Unique);
     ~Map();
 
     // Pauses the render thread. The render thread will stop running but will not be terminated and will not lose state until resumed.
diff --git a/include/mbgl/map/mode.hpp b/include/mbgl/map/mode.hpp
index 4ade870d90..3e838dca99 100644
--- a/include/mbgl/map/mode.hpp
+++ b/include/mbgl/map/mode.hpp
@@ -10,6 +10,11 @@ enum class MapMode : uint8_t {
     Still, // a once-off still image
 };
 
-}
+enum class GLContextMode : uint8_t {
+    Unique,
+    Shared,
+};
+
+} // namespace mbgl
 
-#endif
-\ No newline at end of file
+#endif // MBGL_MAP_MODE