[core] Remove RenderLayer's is<> as<> methods

src/mbgl/renderer/layers/render_background_layer.hpp

@@ -29,9 +29,4 @@ private:
     CrossfadeParameters crossfade;
 };
 
-template <>
-inline bool RenderLayer::is<RenderBackgroundLayer>() const {
-    return type == style::LayerType::Background;
-}
-
 } // namespace mbgl

src/mbgl/renderer/layers/render_circle_layer.hpp

@@ -34,11 +34,6 @@ public:
     const style::CircleLayer::Impl& impl() const;
 };
 
-template <>
-inline bool RenderLayer::is<RenderCircleLayer>() const {
-    return type == style::LayerType::Circle;
-}
-
 inline const RenderCircleLayer* toRenderCircleLayer(const RenderLayer* layer) {
     return static_cast<const RenderCircleLayer*>(layer);
 }

src/mbgl/renderer/layers/render_custom_layer.hpp

@@ -26,9 +26,4 @@ private:
     std::shared_ptr<style::CustomLayerHost> host;
 };
 
-template <>
-inline bool RenderLayer::is<RenderCustomLayer>() const {
-    return type == style::LayerType::Custom;
-}
-
 } // namespace mbgl

src/mbgl/renderer/layers/render_fill_extrusion_layer.hpp

@@ -51,11 +51,6 @@ private:
     CrossfadeParameters crossfade;
 };
 
-template <>
-inline bool RenderLayer::is<RenderFillExtrusionLayer>() const {
-    return type == style::LayerType::FillExtrusion;
-}
-
 inline const RenderFillExtrusionLayer* toRenderFillExtrusionLayer(const RenderLayer* layer) {
     return static_cast<const RenderFillExtrusionLayer*>(layer);
 }

src/mbgl/renderer/layers/render_fill_layer.hpp

@@ -46,11 +46,6 @@ private:
 
 };
 
-template <>
-inline bool RenderLayer::is<RenderFillLayer>() const {
-    return type == style::LayerType::Fill;
-}
-
 inline const RenderFillLayer* toRenderFillLayer(const RenderLayer* layer) {
     return static_cast<const RenderFillLayer*>(layer);
 }

src/mbgl/renderer/layers/render_heatmap_layer.hpp

@@ -44,11 +44,6 @@ private:
     void updateColorRamp();
 };
 
-template <>
-inline bool RenderLayer::is<RenderHeatmapLayer>() const {
-    return type == style::LayerType::Heatmap;
-}
-
 inline const RenderHeatmapLayer* toRenderHeatmapLayer(const RenderLayer* layer) {
     return static_cast<const RenderHeatmapLayer*>(layer);
 }

src/mbgl/renderer/layers/render_hillshade_layer.hpp

@@ -31,9 +31,4 @@ private:
     const std::array<float, 2> getLight(const PaintParameters& parameters);
 };
 
-template <>
-inline bool RenderLayer::is<RenderHillshadeLayer>() const {
-    return type == style::LayerType::Hillshade;
-}
-
 } // namespace mbgl

src/mbgl/renderer/layers/render_line_layer.hpp

@@ -66,11 +66,6 @@ private:
     optional<gl::Texture> colorRampTexture;
 };
 
-template <>
-inline bool RenderLayer::is<RenderLineLayer>() const {
-    return type == style::LayerType::Line;
-}
-
 inline const RenderLineLayer* toRenderLineLayer(const RenderLayer* layer) {
     return static_cast<const RenderLineLayer*>(layer);
 }

src/mbgl/renderer/layers/render_raster_layer.hpp

@@ -27,9 +27,4 @@ public:
     const style::RasterLayer::Impl& impl() const;
 };
 
-template <>
-inline bool RenderLayer::is<RenderRasterLayer>() const {
-    return type == style::LayerType::Raster;
-}
-
 } // namespace mbgl

src/mbgl/renderer/layers/render_symbol_layer.hpp

@@ -101,11 +101,6 @@ protected:
     void sortRenderTiles(const TransformState&) final;
 };
 
-template <>
-inline bool RenderLayer::is<RenderSymbolLayer>() const {
-    return type == style::LayerType::Symbol;
-}
-
 inline const RenderSymbolLayer* toRenderSymbolLayer(const RenderLayer* layer) {
     return static_cast<const RenderSymbolLayer*>(layer);
 }

src/mbgl/renderer/render_layer.hpp

@@ -47,21 +47,6 @@ public:
     // Returns instance of RenderLayerSymbolInterface if RenderLayer supports it.
     virtual const RenderLayerSymbolInterface* getSymbolInterface() const;
 
-    // Check whether this layer is of the given subtype.
-    template <class T>
-    bool is() const;
-
-    // Dynamically cast this layer to the given subtype.
-    template <class T>
-    T* as() {
-        return is<T>() ? reinterpret_cast<T*>(this) : nullptr;
-    }
-
-    template <class T>
-    const T* as() const {
-        return is<T>() ? reinterpret_cast<const T*>(this) : nullptr;
-    }
-
     const std::string& getID() const;
 
     // Checks whether this layer needs to be rendered in the given render pass.