using StgSharp;
using StgSharp.Math;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace StgSharp
{
    internal static unsafe partial class internalIO
    {

        #region add_mat4

#if NET7_0_OR_GREATER
#else
        [DllImport("StgSharpGraphic.dll", EntryPoint = "addmat4",
#endif
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static extern unsafe StgSharp.Math.Mat4* add_mat4(
            ref StgSharp.Math.Mat4 mat1, ref StgSharp.Math.Mat4 Mat2);

        [DllImport("StgSharpGraphic.dll", EntryPoint = "addmat4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static extern unsafe StgSharp.Math.Mat4* add_mat4(
            StgSharp.Math.Mat4* mat1, StgSharp.Math.Mat4* Mat2);

        #endregion

        #region sub_mat4

        [DllImport("StgSharpGraphic.dll", EntryPoint = "sub_mat4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static unsafe extern StgSharp.Math.Mat4* sub_mat4(
            ref StgSharp.Math.Mat4 mat1, ref StgSharp.Math.Mat4 Mat2);

        [DllImport("StgSharpGraphic.dll", EntryPoint = "StgSharp.Math.Mat4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static unsafe extern StgSharp.Math.Mat4* sub_mat4(
            StgSharp.Math.Mat4* mat1, StgSharp.Math.Mat4* Mat2);


        #endregion

        #region mul

        [DllImport("StgSharpGraphic.dll", EntryPoint = "mul_const",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static unsafe extern StgSharp.Math.Mat4* mul_const(
            StgSharp.Math.Mat4* mat, float value);

        [DllImport("StgSharpGraphic.dll", EntryPoint = "mul_const",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static unsafe extern StgSharp.Math.Mat4* mul_const(
            ref StgSharp.Math.Mat4 mat, float value);

        [DllImport("StgsharpGraphic", EntryPoint = "mul_4_4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static extern unsafe Mat4* mul_4_4(Mat4* left, Mat4* right);

        #endregion

        #region transpose

        [DllImport("StgsharpGraphic.dll", EntryPoint = "transpose4to4",
            CallingConvention = CallingConvention.Cdecl)]
        internal static extern unsafe void Transpose4to4_internal(Mat4* source, Mat4* target);

        [DllImport("StgsharpGraphic.dll", EntryPoint = "transpose4to4",
            CallingConvention = CallingConvention.Cdecl)]
        internal static extern unsafe void Transpose4to4_internal(ref Mat4* source, ref Mat4* target);


        #endregion

        #region det

        [DllImport("StgsharpGraphic", EntryPoint = "det_mat4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static unsafe extern float det_mat4(Matrix4x4* matPtr);

        #endregion

        #region deinit_mat4

        [DllImport("StgSharpGraphic.dll", EntryPoint = "deinit_mat4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static extern void deinit_mat4(ref StgSharp.Math.Mat4 mat);

        [DllImport("StgSharpGraphic.dll", EntryPoint = "deinit_mat4",
            CallingConvention = CallingConvention.Cdecl)]
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static extern void deinit_mat4(StgSharp.Math.Mat4* mat);

        #endregion



    }
}
namespace StgSharp.Math
{


    [StructLayout(LayoutKind.Explicit, Size = 16 * sizeof(float))]
    public struct Mat4
    {
        [FieldOffset(0)] internal M128 colum0;
        [FieldOffset(16)] internal M128 colum1;
        [FieldOffset(32)] internal M128 colum2;
        [FieldOffset(48)] internal M128 colum3;

        [FieldOffset(0)] public float a00;
        [FieldOffset(4)] public float a10;
        [FieldOffset(8)] public float a20;
        [FieldOffset(12)] public float a30;

        [FieldOffset(16)] public float a01;
        [FieldOffset(20)] public float a11;
        [FieldOffset(24)] public float a21;
        [FieldOffset(28)] public float a31;

        [FieldOffset(32)] public float a02;
        [FieldOffset(36)] public float a12;
        [FieldOffset(40)] public float a22;
        [FieldOffset(44)] public float a32;

        [FieldOffset(48)] public float a03;
        [FieldOffset(52)] public float a13;
        [FieldOffset(56)] public float a23;
        [FieldOffset(60)] public float a33;

    }
}