60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
using StgSharp.Math;
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using StgSharp.StgSharp.Math;
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using System;
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using System.Numerics;
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using System.Runtime.InteropServices;
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namespace StgSharp
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{
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internal static unsafe partial class internalIO
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{
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#region transpose
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[DllImport("StgsharpGraphic", EntryPoint = "transpose3to4",
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CallingConvention = CallingConvention.Cdecl)]
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internal static extern unsafe void Transpose3to4_internal(Mat3* source, Mat4* target);
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[DllImport("StgsharpGra[hic", EntryPoint = "transpose3to4",
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CallingConvention = CallingConvention.Cdecl)]
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internal static extern unsafe void Transpose3to3_internal(Mat3* source, Mat3* target);
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[DllImport("StgsharpGra[hic", EntryPoint = "transpose3to2",
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CallingConvention = CallingConvention.Cdecl)]
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internal static extern unsafe void Transpose3to2_internal(Mat3* source, Mat2* target);
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#endregion
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}
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}
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namespace StgSharp.Math
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{
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[StructLayout(LayoutKind.Explicit, Size = 12 * sizeof(float), Pack = 16)]
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internal struct Mat3
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{
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[FieldOffset(0)] internal Vector4 colum0;
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[FieldOffset(4 * sizeof(float))] internal Vector4 colum1;
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[FieldOffset(8 * sizeof(float))] internal Vector4 colum2;
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[FieldOffset(0 * sizeof(float))] internal float m00;
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[FieldOffset(1 * sizeof(float))] internal float m10;
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[FieldOffset(2 * sizeof(float))] internal float m20;
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[FieldOffset(3 * sizeof(float))] internal float m30;
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[FieldOffset(4 * sizeof(float))] internal float m01;
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[FieldOffset(5 * sizeof(float))] internal float m11;
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[FieldOffset(6 * sizeof(float))] internal float m21;
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[FieldOffset(7 * sizeof(float))] internal float m31;
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[FieldOffset(8 * sizeof(float))] internal float m02;
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[FieldOffset(9 * sizeof(float))] internal float m12;
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[FieldOffset(10 * sizeof(float))] internal float m22;
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[FieldOffset(11 * sizeof(float))] internal float m32;
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}
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