[core] split off render layers

1 files changed, 29 insertions, 0 deletions

diff --git a/src/mbgl/renderer/render_custom_layer.hpp b/src/mbgl/renderer/render_custom_layer.hpp
new file mode 100644
index 0000000000..3c6c06ff7c
--- /dev/null
+++ b/src/mbgl/renderer/render_custom_layer.hpp
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <mbgl/renderer/render_layer.hpp>
+#include <mbgl/style/layers/custom_layer.hpp>
+
+namespace mbgl {
+
+class RenderCustomLayer: public RenderLayer {
+public:
+
+    RenderCustomLayer(const style::CustomLayer::Impl&);
+    ~RenderCustomLayer() final = default;
+
+    std::unique_ptr<RenderLayer> clone() const override;
+
+    void cascade(const style::CascadeParameters&) final {}
+    bool evaluate(const style::PropertyEvaluationParameters&) final;
+
+    std::unique_ptr<Bucket> createBucket(const BucketParameters&, const std::vector<const RenderLayer*>&) const final;
+
+    const style::CustomLayer::Impl* const impl;
+};
+
+template <>
+inline bool RenderLayer::is<RenderCustomLayer>() const {
+    return type == style::LayerType::Custom;
+}
+
+}