surfel_render_data.h

#pragma once
 
#include "surfel_renderer.h"
#include "render_data_base.h"
 
namespace cgv {
namespace render {
 
template <typename ColorType = rgb>
class surfel_render_data : public render_data_base<surfel_renderer, surfel_render_style, ColorType> {
private:
    // Base class we're going to use virtual functions from
    typedef render_data_base<surfel_renderer, surfel_render_style, ColorType> super;
 
    surfel_renderer& ref_renderer_singleton(context& ctx, int ref_count_change = 0) override {
        return ref_surfel_renderer(ctx, ref_count_change);
    }
    
protected:
    bool transfer(context& ctx, surfel_renderer& r) override {
        if(super::transfer(ctx, r)) {
            CGV_RDB_TRANSFER_ARRAY(normal, normals);
            CGV_RDB_TRANSFER_ARRAY(point_size, diameters);
            return true;
        }
        return false;
    }
 
public:
    std::vector<vec3> normals;
    std::vector<float> diameters;
 
    void clear() {
        super::clear();
        normals.clear();
        diameters.clear();
    }
 
    void add_normal(const vec3& normal) {
        normals.push_back(normal);
    }
 
    void add_diameter(const float diameter) {
        diameters.push_back(diameter);
    }
 
    // Explicitly use add from the base class since it is shadowed by the overloaded versions
    using super::add;
 
    void add(const vec3& position, const float diameter) {
        super::add_position(position);
        add_diameter(diameter);
    }
 
    void add(const vec3& position, const vec3& normal) {
        super::add_position(position);
        add_normal(normal);
    }
 
    void add(const vec3& position, const vec3& normal, const float diameter) {
        super::add_position(position);
        add_normal(normal);
        add_diameter(diameter);
    }
 
    void add(const vec3& position, const ColorType& color, const float diameter) {
        super::add(position, color);
        add_diameter(diameter);
    }
 
    void fill_normals(const vec3& normal) {
        super::fill(normals, normal);
    }
 
    void fill_diameters(const float diameter) {
        super::fill(diameters, diameter);
    }
};
 
}
}