#ifndef RENDERER_H
#define RENDERER_H

#include <memory>
#include "math/vector.h"
#include "o3d/tri.h"
#include "o3d/tri_deriv.h"

namespace engine {

using math::Vector3, o3d::Triangle;

template<typename FrameBuffer>
class Renderer {
    public:
        FrameBuffer fb;

        template<typename FBArg>
        Renderer(FBArg&& fb);

        void resize(unsigned int w, unsigned int h);
        void clear();
        void draw_triangle(const Triangle& triangle);

        constexpr unsigned int width() const & {
            return fb.width();
        }

        constexpr unsigned int height() const & {
            return fb.height();
        }

    private:
        std::vector<float> depth_buf;

        void _draw_cropped_triangle(const o3d::Triangle& root, const o3d::TriangleDerived& triangle);
};

}

#endif // RENDERER_H