88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
#ifndef MBGL_MAP_TILE_WORKER
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#define MBGL_MAP_TILE_WORKER
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#include <mbgl/util/variant.hpp>
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#include <mbgl/map/tile_data.hpp>
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#include <mbgl/geometry/elements_buffer.hpp>
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#include <mbgl/geometry/fill_buffer.hpp>
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#include <mbgl/geometry/line_buffer.hpp>
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#include <mbgl/util/noncopyable.hpp>
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#include <mbgl/util/ptr.hpp>
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#include <mbgl/style/filter_expression.hpp>
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#include <string>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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namespace mbgl {
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class CollisionTile;
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class GeometryTile;
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class Style;
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class Bucket;
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class StyleLayer;
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class StyleBucket;
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class GeometryTileLayer;
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using TileParseResult = mapbox::util::variant<
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TileData::State, // success
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std::string>; // error
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class TileWorker : public util::noncopyable {
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public:
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TileWorker(const TileID&,
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Style&,
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std::vector<util::ptr<StyleLayer>>,
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const uint16_t maxZoom,
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const std::atomic<TileData::State>&,
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std::unique_ptr<CollisionTile>);
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~TileWorker();
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Bucket* getBucket(const StyleLayer&) const;
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size_t countBuckets() const;
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TileParseResult parse(const GeometryTile&);
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void redoPlacement(float angle, bool collisionDebug);
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std::vector<util::ptr<StyleLayer>> layers;
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private:
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void parseLayer(const StyleLayer&, const GeometryTile&);
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std::unique_ptr<Bucket> createFillBucket(const GeometryTileLayer&, const StyleBucket&);
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std::unique_ptr<Bucket> createLineBucket(const GeometryTileLayer&, const StyleBucket&);
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std::unique_ptr<Bucket> createSymbolBucket(const GeometryTileLayer&, const StyleBucket&);
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template <class Bucket>
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void addBucketGeometries(Bucket&, const GeometryTileLayer&, const FilterExpression&);
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Style& style;
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const TileID id;
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const uint16_t maxZoom;
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const std::atomic<TileData::State>& state;
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bool partialParse = false;
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FillVertexBuffer fillVertexBuffer;
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LineVertexBuffer lineVertexBuffer;
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TriangleElementsBuffer triangleElementsBuffer;
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LineElementsBuffer lineElementsBuffer;
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std::unique_ptr<CollisionTile> collision;
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// Contains all the Bucket objects for the tile. Buckets are render
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// objects and they get added to this map as they get processed.
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// Tiles partially parsed can get new buckets at any moment but are
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// also fit for rendering. That said, access to this list needs locking
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// unless the tile is completely parsed.
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std::unordered_map<std::string, std::unique_ptr<Bucket>> buckets;
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mutable std::mutex bucketsMutex;
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};
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}
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#endif
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