1 files changed, 88 insertions, 0 deletions
diff --git a/include/mbgl/renderer/fill_bucket.hpp b/include/mbgl/renderer/fill_bucket.hpp
new file mode 100644
index 0000000000..9193b09149
--- /dev/null
+++ b/include/mbgl/renderer/fill_bucket.hpp
@@ -0,0 +1,88 @@
+#ifndef MBGL_RENDERER_FILLBUCKET
+#define MBGL_RENDERER_FILLBUCKET
+
+#include <mbgl/renderer/bucket.hpp>
+#include <mbgl/geometry/elements_buffer.hpp>
+#include <mbgl/geometry/fill_buffer.hpp>
+#include <mbgl/style/style_bucket.hpp>
+
+#include <clipper/clipper.hpp>
+#include <libtess2/tesselator.h>
+
+#include <vector>
+#include <memory>
+
+#ifndef BUFFER_OFFSET
+#define BUFFER_OFFSET(i) ((char *)nullptr + (i))
+#endif
+
+namespace mbgl {
+
+class Style;
+class FillVertexBuffer;
+class TriangleElementsBuffer;
+class LineElementsBuffer;
+class BucketDescription;
+class OutlineShader;
+class PlainShader;
+class PatternShader;
+struct pbf;
+
+class FillBucket : public Bucket {
+
+    static void *alloc(void *data, unsigned int size);
+    static void *realloc(void *data, void *ptr, unsigned int size);
+    static void free(void *userData, void *ptr);
+
+
+    typedef ElementGroup triangle_group_type;
+    typedef ElementGroup line_group_type;
+public:
+    FillBucket(FillVertexBuffer& vertexBuffer,
+               TriangleElementsBuffer& triangleElementsBuffer,
+               LineElementsBuffer& lineElementsBuffer,
+               const StyleBucketFill& properties);
+    ~FillBucket();
+
+    virtual void render(Painter& painter, std::shared_ptr<StyleLayer> layer_desc, const Tile::ID& id);
+    virtual bool hasData() const;
+
+    void addGeometry(pbf& data);
+    void tessellate();
+
+    void drawElements(PlainShader& shader);
+    void drawElements(PatternShader& shader);
+    void drawVertices(OutlineShader& shader);
+
+public:
+    const StyleBucketFill &properties;
+
+private:
+    TESSalloc *allocator;
+    TESStesselator *tesselator;
+    ClipperLib::Clipper clipper;
+
+    FillVertexBuffer& vertexBuffer;
+    TriangleElementsBuffer& triangleElementsBuffer;
+    LineElementsBuffer& lineElementsBuffer;
+
+    // hold information on where the vertices are located in the FillBuffer
+    const size_t vertex_start;
+    const size_t triangle_elements_start;
+    const size_t line_elements_start;
+    VertexArrayObject array;
+
+    std::vector<triangle_group_type> triangleGroups;
+    std::vector<line_group_type> lineGroups;
+
+    std::vector<ClipperLib::IntPoint> line;
+    bool hasVertices = false;
+
+    static const int vertexSize = 2;
+    static const int stride = sizeof(TESSreal) * vertexSize;
+    static const int vertices_per_group = 3;
+};
+
+}
+
+#endif