using System;
using System.Runtime.InteropServices;

namespace StgSharp.Control
{
    internal delegate void InternalInitGLDelegate();
    internal delegate IntPtr InternalGLcreateWindowDelegate
        (int width, int height, char[] tittle, IntPtr monitor, IntPtr share);
    internal delegate void InternalGLmakeContextCurrent(IntPtr window);
    internal delegate void InternalGLswapInterval(int interval);
    internal delegate void InternalGLclearColorDelegate
        (float red, float green, float blue, float alpha);
    internal delegate GLFWproc internalglGetProcAddress(char[] name);
    internal delegate int internalGLADloadGLloader(InternalGLADloadproc load);

    internal delegate void GLFWproc();
    internal unsafe delegate void* InternalGLADloadproc(byte[] name);



    [StructLayout(LayoutKind.Sequential)]
    internal struct GraphicIOPack
    {

        internal InternalGLcreateWindowDelegate InternalGLcreateWindow;
        internal InternalGLmakeContextCurrent InternalGLmakeContextCurrent;
        internal InternalGLswapInterval InternalGLswapInterval;
        internal InternalGLclearColorDelegate InternalGLclearColor;


        internal internalglGetProcAddress InternalGLGetProcAddress;
    }
}