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fix asm mat4 multiply

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Matthew 2025-10-25 13:21:31 +11:00
parent a97309cb04
commit f5fdd05336
1 changed files with 36 additions and 45 deletions
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23
math.d
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@ -521,7 +521,7 @@ align(16) struct Matrix(T, int D)
Matrix result; Matrix result;
MatZero(&result); MatZero(&result);
glm_mat4_mul(glm_mat.ptr, x.glm_mat.ptr, result.glm_mat.ptr); Mat4MulASM(&this, &x, &result);
return result; return result;
} }
@ -583,21 +583,14 @@ struct Quat
} }
} }
Mat4 void
Mat4MulASM(Mat4 l, Mat4 r) Mat4MulASM(Mat4* l, Mat4* r, Mat4* result)
{ {
Mat4 result;
auto lp = &l;
auto rp = &r;
auto res = &result;
// TODO: fix this
asm @trusted asm @trusted
{ {
mov R8, lp; mov R8, l;
mov R9, rp; mov R9, r;
mov R10, res; mov R10, result;
movups XMM0, [R8]; movups XMM0, [R8];
movups XMM1, [R9+00]; movups XMM1, [R9+00];
@ -617,7 +610,7 @@ Mat4MulASM(Mat4 l, Mat4 r)
shufps XMM8, XMM8, 0; shufps XMM8, XMM8, 0;
mulps XMM8, XMM0; // XMM8 = col3; mulps XMM8, XMM0; // XMM8 = col3;
movups XMM9, XMM3; movups XMM9, XMM4;
shufps XMM9, XMM9, 0; shufps XMM9, XMM9, 0;
mulps XMM9, XMM0; // XMM9 = col4; mulps XMM9, XMM0; // XMM9 = col4;
@ -692,8 +685,6 @@ Mat4MulASM(Mat4 l, Mat4 r)
movups [R10+32], XMM8; movups [R10+32], XMM8;
movups [R10+48], XMM9; movups [R10+48], XMM9;
} }
return result;
} }
pragma(inline) Mat4 pragma(inline) Mat4