Program Listing for File Mesh.ixx

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module;

#include <glad/glad.h>
#include <glm/glm.hpp>
#include <limits>
#include <vector>

#include "host_device/GlobalValues.hpp"

export module kataglyphis.opengl.mesh;

import kataglyphis.shared.scene.vertex;

export class Mesh
{
  public:
    Mesh(std::vector<Vertex> &vertices, std::vector<unsigned int> &indices);

    Mesh();

    Mesh(const Mesh &) = delete;
    Mesh &operator=(const Mesh &) = delete;
    Mesh(Mesh &&) = delete;
    Mesh &operator=(Mesh &&) = delete;

    void render() const;

    const std::vector<Vertex> &get_vertices() const { return this->vertices; }
    const std::vector<unsigned int> &get_indices() const { return this->indices; }

    ~Mesh();

  private:
    //  render data
    // unsigned int VAO, VBO, EBO;
    enum {
        POSITION = 0,
        NORMAL = 1,
        COLOR = 2,
        TEXTURECOORD = 3

    };

    enum { POSITION_VB, NUM_BUFFERS };

    // Vertex Array Object — sentinel value means "not yet created by GL".
    static constexpr GLuint INVALID_GL_NAME = std::numeric_limits<GLuint>::max();
    GLuint vao{INVALID_GL_NAME}, ibo{INVALID_GL_NAME};
    // Vertex array buffer
    GLuint vab[NUM_BUFFERS]{INVALID_GL_NAME};

    uint32_t draw_count;
    std::vector<Vertex> vertices;
    std::vector<uint32_t> indices;
};