1 files changed, 44 insertions, 0 deletions
diff --git a/src/mbgl/style/layers/custom_layer_impl.hpp b/src/mbgl/style/layers/custom_layer_impl.hpp
new file mode 100644
index 0000000000..00e576b6a3
--- /dev/null
+++ b/src/mbgl/style/layers/custom_layer_impl.hpp
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <mbgl/style/layer_impl.hpp>
+#include <mbgl/style/layers/custom_layer.hpp>
+
+namespace mbgl {
+
+class TransformState;
+
+namespace style {
+
+class CustomLayer::Impl : public Layer::Impl {
+public:
+    Impl(const std::string& id,
+         CustomLayerInitializeFunction,
+         CustomLayerRenderFunction,
+         CustomLayerDeinitializeFunction,
+         void* context);
+
+    Impl(const Impl&);
+    ~Impl() final;
+
+    void initialize();
+    void render(const TransformState&) const;
+
+private:
+    std::unique_ptr<Layer> clone() const override;
+
+    void parseLayout(const JSValue&) final {}
+    void parsePaints(const JSValue&) final {}
+
+    void cascade(const CascadeParameters&) final {}
+    bool recalculate(const CalculationParameters&) final;
+
+    std::unique_ptr<Bucket> createBucket(BucketParameters&) const final;
+
+    CustomLayerInitializeFunction initializeFn = nullptr;
+    CustomLayerRenderFunction renderFn = nullptr;
+    CustomLayerDeinitializeFunction deinitializeFn = nullptr;
+    void* context = nullptr;
+};
+
+} // namespace style
+} // namespace mbgl