VertexBuffer.hpp

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#ifndef GALAXY_GRAPHICS_GL_VERTEXBUFFER_HPP_
#define GALAXY_GRAPHICS_GL_VERTEXBUFFER_HPP_
 
#include <span>
 
#include "galaxy/graphics/gl/Vertex.hpp"
 
namespace galaxy
{
    namespace graphics
    {
        class VertexBuffer final
        {
        public:
            VertexBuffer();
 
            VertexBuffer(VertexBuffer&&);
 
            VertexBuffer& operator=(VertexBuffer&&);
 
            ~VertexBuffer();
 
            void buffer(std::span<Vertex> vertices, std::span<unsigned int> indicies);
 
            void buffer(const int vertex_count, std::span<unsigned int> indicies);
 
            void sub_buffer(const unsigned int index, std::span<Vertex> vertices);
 
            void clear();
 
            [[nodiscard]]
            int count() const;
 
            [[nodiscard]]
            void* offset();
 
            [[nodiscard]]
            unsigned int id() const;
 
        private:
            VertexBuffer(const VertexBuffer&) = delete;
            VertexBuffer& operator=(const VertexBuffer&) = delete;
 
        private:
            unsigned int m_id;
 
            std::size_t m_offset;
 
            int m_count;
        };
    } // namespace graphics
} // namespace galaxy
 
#endif