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#pragma once
#include <mbgl/renderer/render_source.hpp>
#include <mbgl/renderer/tile_pyramid.hpp>
#include <mbgl/style/sources/vector_source_impl.hpp>
namespace mbgl {
/**
* @brief Base class for render sources that provide render tiles.
*/
class RenderTileSource : public RenderSource {
public:
~RenderTileSource() override;
bool isLoaded() const override;
std::unique_ptr<RenderItem> createRenderItem() override;
void prepare(const SourcePrepareParameters&) override;
void updateFadingTiles() override;
bool hasFadingTiles() const override;
RenderTiles getRenderTiles() const override;
RenderTiles getRenderTilesSortedByYPosition() const override;
const Tile* getRenderedTile(const UnwrappedTileID&) const override;
std::unordered_map<std::string, std::vector<Feature>>
queryRenderedFeatures(const ScreenLineString& geometry,
const TransformState& transformState,
const std::unordered_map<std::string, const RenderLayer*>& layers,
const RenderedQueryOptions& options,
const mat4& projMatrix) const override;
std::vector<Feature>
querySourceFeatures(const SourceQueryOptions&) const override;
void reduceMemoryUse() override;
void dumpDebugLogs() const override;
protected:
RenderTileSource(Immutable<style::Source::Impl>);
TilePyramid tilePyramid;
Immutable<std::vector<RenderTile>> renderTiles;
mutable RenderTiles filteredRenderTiles;
mutable RenderTiles renderTilesSortedByY;
float bearing = 0.0f;
};
/**
* @brief Base class for render sources that use tile sets.
*/
class RenderTileSetSource : public RenderTileSource {
protected:
RenderTileSetSource(Immutable<style::Source::Impl>);
~RenderTileSetSource() override;
virtual void updateInternal(const Tileset&,
const std::vector<Immutable<style::LayerProperties>>&,
bool needsRendering,
bool needsRelayout,
const TileParameters&) = 0;
// Returns tileset from the current impl.
virtual const optional<Tileset>& getTileset() const = 0;
private:
uint8_t getMaxZoom() const final;
void update(Immutable<style::Source::Impl>,
const std::vector<Immutable<style::LayerProperties>>&,
bool needsRendering,
bool needsRelayout,
const TileParameters&) final;
optional<Tileset> cachedTileset;
};
} // namespace mbgl
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