gui_gl_vertex_cache.hpp

#ifndef LXGUI_GUI_GL_VERTEX_CACHE_HPP
#define LXGUI_GUI_GL_VERTEX_CACHE_HPP
 
#include "lxgui/gui_vertex_cache.hpp"
#include "lxgui/utils.hpp"
 
#include <cstdint>
#include <limits>
#include <memory>
 
namespace lxgui::gui::gl {
 
class vertex_cache final : public gui::vertex_cache {
public:
    explicit vertex_cache(type t);
 
    ~vertex_cache() override;
 
    void update_data(const vertex* vertex_data, std::size_t num_vertex);
 
    void update_indices(const std::uint32_t* vertex_indices, std::size_t num_indices);
 
    void update_indices_if_grow(const std::uint32_t* vertex_indices, std::size_t num_indices);
 
    void update(const vertex* vertex_data, std::size_t num_vertex) override;
 
    void render() const;
 
private:
    std::size_t   current_size_vertex_     = 0u;
    std::size_t   current_size_index_      = 0u;
    std::size_t   current_capacity_vertex_ = 0u;
    std::size_t   current_capacity_index_  = 0u;
    std::uint32_t vertex_array_            = std::numeric_limits<std::uint32_t>::max();
    std::uint32_t vertex_buffer_           = std::numeric_limits<std::uint32_t>::max();
    std::uint32_t index_buffer_            = std::numeric_limits<std::uint32_t>::max();
};
 
} // namespace lxgui::gui::gl
 
#endif