145 lines
5.0 KiB
C#
145 lines
5.0 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="mat2.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using StgSharp.Math;
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using System;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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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 add
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[DllImport(InternalIO.SSC_libName, EntryPoint = "add_Mat2",
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CallingConvention = CallingConvention.Cdecl)]
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal static extern Mat2* add_mat2(Mat2* left, Mat2* right);
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#endregion
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#region deinit mat2
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[DllImport(InternalIO.SSC_libName, EntryPoint = "deinit_mat2",
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CallingConvention = CallingConvention.Cdecl)]
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal static extern unsafe void deinit_mat2(Mat2* mat);
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#endregion
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#region sub
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[DllImport(InternalIO.SSC_libName, EntryPoint = "sub_mat2",
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CallingConvention = CallingConvention.Cdecl)]
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal static extern unsafe Mat2* sub_mat2(Mat2* left, Mat2* right);
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#endregion
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#region transpose
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[DllImport(InternalIO.SSC_libName, EntryPoint = "transpose2to4",
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CallingConvention = CallingConvention.Cdecl)]
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal static extern unsafe void Transpose2to4_internal(Mat2* source, Mat4* target);
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[DllImport(InternalIO.SSC_libName, EntryPoint = "transpose2to3",
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CallingConvention = CallingConvention.Cdecl)]
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal static extern unsafe void Transpose2to3_internal(Mat2* source, Mat3* 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 Mat2 : IEquatable<Mat2>
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{
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[FieldOffset(0 * sizeof(float))] internal float m00;
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[FieldOffset(4 * sizeof(float))] internal float m01;
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[FieldOffset(1 * sizeof(float))] internal float m10;
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[FieldOffset(5 * sizeof(float))] internal float m11;
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[FieldOffset(2 * sizeof(float))] internal float m20;
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[FieldOffset(6 * sizeof(float))] internal float m21;
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[FieldOffset(3 * sizeof(float))] internal float m30;
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[FieldOffset(7 * sizeof(float))] internal float m31;
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[FieldOffset(0)] internal Vector4 colum0;
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[FieldOffset(4 * sizeof(float))] internal Vector4 colum1;
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internal Mat2(
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Vector4 c0,
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Vector4 c1
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)
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{
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colum0 = c0;
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colum1 = c1;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public override bool Equals(object? obj)
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{
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return (obj is Mat2 mat) && Equals(mat);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool Equals(Mat2 other)
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{
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return colum0.Equals(other.colum0) &&
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colum1.Equals(other.colum1);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool operator !=(Mat2 left, Mat2 right)
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{
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return !(left == right);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool operator ==(Mat2 left, Mat2 right)
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{
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return left.Equals(right);
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}
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}
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}
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