using System;
using System.Collections.Generic;
using System.Text;

namespace StgSharp.Graphics
{
    internal unsafe struct VertexArray : IDisposable
    {
        internal uint _bufferID;

        public VertexArray()
        {
            fixed (uint* id = &_bufferID)
            {
                Graphic.glGenVertexArrays(1, id);
            }
            Graphic.glBindBuffer(GLFW.GL_ARRAY_BUFFER, _bufferID);
        }

        public VertexArray(int n)
        {
            fixed (uint* id = &_bufferID)
            {
                Graphic.glGenVertexArrays(n, id);
            }
            Graphic.glBindBuffer(GLFW.GL_ARRAY_BUFFER, _bufferID);
        }

        public void Bind()
        {
            Graphic.glBindVertexArray(_bufferID);
        }

        public void Dispose()
        {
            fixed (uint* id = &_bufferID)
            {
                Graphic.glDeleteVertexArrays(1, id);
            }
        }
    }
}