using StgSharp.Controlling;
using System;
using System.Runtime.InteropServices;

namespace StgSharp.Graphics
{
    public static unsafe partial class Graphic
    {



        /// <summary>
        /// Init an instance of OpenGL program,
        /// This method should be called before other 
        /// graphic methods, after LoadGL method.
        /// </summary>
        public static void InitGL(int majorVersion, int minorVersion)
        {

            if (InternalIO.glfw_Init == null)
            {
                GL.glfw = new GLFWapi();
                IntPtr ret;
                fixed (GLFWapi* ptr = &GL.glfw)
                    ret = InternalIO.InternalInitGL(majorVersion, minorVersion, ptr);
                InternalIO.InternalWriteLog(ret.ToString(), LogType.Info);
            }
            else
            {
                throw new Exception("Do not init GL twice");
            }
        }





    }
}