1 files changed, 31 insertions, 0 deletions
diff --git a/include/mbgl/renderer/renderer_frontend.hpp b/include/mbgl/renderer/renderer_frontend.hpp
new file mode 100644
index 0000000000..f72b0ccdde
--- /dev/null
+++ b/include/mbgl/renderer/renderer_frontend.hpp
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <memory>
+
+namespace mbgl {
+
+class RendererObserver;
+class UpdateParameters;
+
+// The RenderFrontend is the bridge between the Map and
+// platform used to update and observer the Renderer
+//
+// It hides any threading specifics and always replies on
+// the original thread.
+class RendererFrontend {
+public:
+
+    virtual ~RendererFrontend() = default;
+
+    // Must synchronously clean up the Renderer if set
+    virtual void reset() = 0;
+
+    // Implementer must bind the renderer observer to the renderer in a
+    // appropriate manner so that the callbacks occur on the main thread
+    virtual void setObserver(RendererObserver&) = 0;
+
+    // Coalescing updates is up to the implementer
+    virtual void update(std::shared_ptr<UpdateParameters>) = 0;
+};
+
+} // namespace mbgl