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This commit is contained in:
Youmu Liu
2026-01-13 18:25:25 +08:00
parent ad3b2212fa
commit f133cc9147
11 changed files with 103 additions and 147 deletions
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StgSharp.Common/Mathematics/Graphic/Matrix44.cs
+6 -16
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@@ -36,8 +36,8 @@ using System.Runtime.InteropServices;
namespace StgSharp.Mathematics.Graphic
{
[StructLayout(LayoutKind.Explicit, Size = (2 * 16 * sizeof(float)) + sizeof(bool), Pack = 16)]
public unsafe struct Matrix44 : IEquatable<Matrix44>, IMatrix<float>, IEnumerable<Vec4>
[StructLayout(LayoutKind.Explicit, Size = (16 * sizeof(float)), Pack = 16)]
public unsafe struct Matrix44 : IEquatable<Matrix44>
{
[FieldOffset(0 * sizeof(float))] internal Column column;
@@ -223,8 +223,10 @@ namespace StgSharp.Mathematics.Graphic
Matrix44 right
)
{
Matrix44 transpose = left.Transpose;
return new Matrix44(Vector4.Dot(transpose.mat.colum0, right.mat.colum0), Vector4.Dot(transpose.mat.colum0, right.mat.colum1), Vector4.Dot(transpose.mat.colum0, right.mat.colum2), Vector4.Dot(transpose.mat.colum0, right.mat.colum3), Vector4.Dot(transpose.mat.colum1, right.mat.colum0), Vector4.Dot(transpose.mat.colum1, right.mat.colum1), Vector4.Dot(transpose.mat.colum1, right.mat.colum2), Vector4.Dot(transpose.mat.colum1, right.mat.colum3), Vector4.Dot(transpose.mat.colum2, right.mat.colum0), Vector4.Dot(transpose.mat.colum2, right.mat.colum1), Vector4.Dot(transpose.mat.colum2, right.mat.colum2), Vector4.Dot(transpose.mat.colum2, right.mat.colum3), Vector4.Dot(transpose.mat.colum3, right.mat.colum0), Vector4.Dot(transpose.mat.colum3, right.mat.colum1), Vector4.Dot(transpose.mat.colum3, right.mat.colum2), Vector4.Dot(transpose.mat.colum3, right.mat.colum3));
Matrix44 ret = new();
int f32 = (int)MatrixElementType.F32;
NativeIntrinsic.Context.mat[f32].kernel_fma(&left, &right, &ret);
return ret;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -247,18 +249,6 @@ namespace StgSharp.Mathematics.Graphic
return left.Equals(right);
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator<Vec4> IEnumerable<Vec4>.GetEnumerator()
{
for (int i = 0; i < 4; i++) {
yield return column[i];
}
}
[InlineArray(4)]
internal struct Column
{