gl_vertex_array.h

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/*!****************************************************************//*!*
 * \file   mesh.h
 * \brief  OpenGL mesh (vertex_array) class definition module.
 *         Mesh stores vertex and index buffer and implement their binding during render.
 *
 * \author Sabitov Kirill
 * \date   27 June 2022
 *********************************************************************/
 
#pragma once
 
#include "gl.h"
#include "core/render/primitives/vertex_array.h"
 
namespace scl
{
    class gl_vertex_array: public vertex_array
    {
    private: 
        GLuint Id {};
 
        /*!*
         * Convert abstract shader variable type to OpenGL specific.
         *
         * \param Type - shader variable type to convert to OpenGL specific.
         * \return OpenGL specific shader variable type.
         */
        inline constexpr static GLenum GetGLShaderVariableType(shader_variable_type Type);
 
    public: 
        render_primitive::handle GetHandle() const override { return Id; }
 
        void SetVertexBuffer(const shared<vertex_buffer> &VertexBuffer);
        void SetIndexBuffer(const shared<index_buffer> &IndexBuffer);
 
        /*!*
         * Vertex buffer default constructor.
         *
         * \param Type - creating mesh type.
         * \param VertexBuffer - vertex buffer to be linked to vertex array.
         * \param IndexBuffer - index array to be linked to vertex array.
         */
        gl_vertex_array(mesh_type MeshType);
 
        ~gl_vertex_array();
 
        /*!*
         * Bind vertex array to current render stage function.
         *
         * \param None.
         * \return None.
         */
        void Bind() const override;
 
        /*!*
         * Unbind vertex array from current render stage function.
         *
         * \param None.
         * \return None.
         */
        void Unbind() const override;
    };
}