using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp
{
    public static unsafe partial class StgSharp
    {
        /// <summary>
        /// Init an instance of OpenGL program,
        /// This method should be called before any other StgSharp api.
        /// </summary>
        public static void InitGL(int majorVersion, int minorVersion)
        {
            if (API == default)
            {
                API = GraphicAPI.GL;
            }
            if (API != GraphicAPI.GL)
            {
                return;
            }
            InternalIO.InternalInitGL(majorVersion, minorVersion);
        }

        public static class GlobalSetting
        {
            private static bool vSyncActivated;

            public static bool VSyncActivated
            {
                get { return vsyncActivated; }
                set
                {
                    InternalIO.glfwSwapInterval(value ? 1 : 0);
                    vsyncActivated = value;
                }
            }
        }
    }
}