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#pragma once
#include <mbgl/renderer/bucket.hpp>
#include <mbgl/renderer/element_group.hpp>
#include <mbgl/map/mode.hpp>
#include <mbgl/gl/vertex_buffer.hpp>
#include <mbgl/gl/index_buffer.hpp>
#include <mbgl/shader/symbol_vertex.hpp>
#include <mbgl/shader/collision_box_vertex.hpp>
#include <mbgl/text/glyph_range.hpp>
#include <mbgl/style/layers/symbol_layer_properties.hpp>
#include <memory>
#include <vector>
namespace mbgl {
class SymbolSDFShader;
class SymbolIconShader;
class CollisionBoxShader;
class SymbolBucket : public Bucket {
public:
SymbolBucket(const MapMode,
style::SymbolLayoutProperties,
bool sdfIcons,
bool iconsNeedLinear);
void upload(gl::Context&) override;
void render(Painter&, PaintParameters&, const style::Layer&, const RenderTile&) override;
bool hasData() const override;
bool hasTextData() const;
bool hasIconData() const;
bool hasCollisionBoxData() const;
bool needsClipping() const override;
void drawGlyphs(SymbolSDFShader&, gl::Context&, PaintMode);
void drawIcons(SymbolSDFShader&, gl::Context&, PaintMode);
void drawIcons(SymbolIconShader&, gl::Context&, PaintMode);
void drawCollisionBoxes(CollisionBoxShader&, gl::Context&);
const MapMode mode;
const style::SymbolLayoutProperties layout;
const bool sdfIcons;
const bool iconsNeedLinear;
private:
friend class SymbolLayout;
struct TextBuffer {
std::vector<SymbolVertex> vertices;
std::vector<gl::Triangle> triangles;
std::vector<ElementGroup<SymbolSDFShader>> groups;
optional<gl::VertexBuffer<SymbolVertex>> vertexBuffer;
optional<gl::IndexBuffer<gl::Triangle>> indexBuffer;
} text;
struct IconBuffer {
std::vector<SymbolVertex> vertices;
std::vector<gl::Triangle> triangles;
std::vector<ElementGroup<SymbolSDFShader, SymbolIconShader>> groups;
optional<gl::VertexBuffer<SymbolVertex>> vertexBuffer;
optional<gl::IndexBuffer<gl::Triangle>> indexBuffer;
} icon;
struct CollisionBoxBuffer {
std::vector<CollisionBoxVertex> vertices;
std::vector<gl::Line> lines;
std::vector<ElementGroup<CollisionBoxShader>> groups;
optional<gl::VertexBuffer<CollisionBoxVertex>> vertexBuffer;
optional<gl::IndexBuffer<gl::Line>> indexBuffer;
} collisionBox;
};
} // namespace mbgl
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