fix asm mat4 multiply

This commit is contained in:
Matthew 2025-10-25 13:21:31 +11:00
parent a97309cb04
commit f5fdd05336

23
math.d
View File

@ -521,7 +521,7 @@ align(16) struct Matrix(T, int D)
Matrix result;
MatZero(&result);
glm_mat4_mul(glm_mat.ptr, x.glm_mat.ptr, result.glm_mat.ptr);
Mat4MulASM(&this, &x, &result);
return result;
}
@ -583,21 +583,14 @@ struct Quat
}
}
Mat4
Mat4MulASM(Mat4 l, Mat4 r)
void
Mat4MulASM(Mat4* l, Mat4* r, Mat4* result)
{
Mat4 result;
auto lp = &l;
auto rp = &r;
auto res = &result;
// TODO: fix this
asm @trusted
{
mov R8, lp;
mov R9, rp;
mov R10, res;
mov R8, l;
mov R9, r;
mov R10, result;
movups XMM0, [R8];
movups XMM1, [R9+00];
@ -617,7 +610,7 @@ Mat4MulASM(Mat4 l, Mat4 r)
shufps XMM8, XMM8, 0;
mulps XMM8, XMM0; // XMM8 = col3;
movups XMM9, XMM3;
movups XMM9, XMM4;
shufps XMM9, XMM9, 0;
mulps XMM9, XMM0; // XMM9 = col4;
@ -692,8 +685,6 @@ Mat4MulASM(Mat4 l, Mat4 r)
movups [R10+32], XMM8;
movups [R10+48], XMM9;
}
return result;
}
pragma(inline) Mat4