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#pragma once
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/util/clip_id.hpp>
#include <unordered_set>
#include <vector>
#include <unordered_map>
namespace mbgl {
namespace algorithm {
class ClipIDGenerator {
private:
struct Leaf {
Leaf(ClipID&);
void add(const CanonicalTileID &p);
bool operator==(const Leaf &other) const;
std::unordered_set<CanonicalTileID> children;
ClipID& clip;
};
uint8_t bit_offset = 0;
std::unordered_multimap<UnwrappedTileID, Leaf> pool;
public:
template <typename Renderables>
void update(Renderables& renderables);
std::map<UnwrappedTileID, ClipID> getStencils() const;
};
} // namespace algorithm
} // namespace mbgl
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