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feat(mat4): add x86 transpose function

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This commit is contained in:
Loïc GUEZO
2025-08-07 08:07:17 +02:00
parent bff9c46bb0
commit 2b1e00305c
4 changed files with 61 additions and 12 deletions
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34
src/math/mat4.c
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@@ -227,22 +227,48 @@ Mat4f_t mat4_mul(const Mat4f_t* m1, const Mat4f_t* m2)
return mout;
}
Mat4f_t* mat4_tpo_r(Mat4f_t *__restrict out)
Mat4f_t* mat4f_tpo_r(Mat4f_t *__restrict out)
{
Mat4f_t clone = mat4f_clone(out);
for(int i = 0; i < MAT_DIM; i++) {
#if defined (SIMD_X86)
#if defined (SIMD_X86)
__m128 res[4];
for (int i=0; i<MAT_DIM; i++) {
__m128 mrow = _mm_load_ps(&clone.m[i*MAT_DIM]);
}
__m128 t0 = _mm_unpacklo_ps(row[0], row[1]);
__m128 t1 = _mm_unpackhi_ps(row[0], row[1]);
__m128 t2 = _mm_unpacklo_ps(row[2], row[3]);
__m128 t3 = _mm_unpackhi_ps(row[2], row[3]);
__m128 r0 = _mm_movelh_ps(t0, t2);
__m128 r1 = _mm_movehl_ps(t2, t0);
__m128 r2 = _mm_movelh_ps(t1, t3);
__m128 r3 = _mm_movehl_ps(t3, t1);
_mm_store_ps(&out->m[0 * MAT_DIM], r0);
_mm_store_ps(&out->m[1 * MAT_DIM], r1);
_mm_store_ps(&out->m[2 * MAT_DIM], r2);
_mm_store_ps(&out->m[3 * MAT_DIM], r3);
#elif defined (SIMD_ARCH)
#else
for(int i = 0; i < MAT_DIM; i++) {
int dim_i = i * MAT_DIM;
for (int j = 0; j < MAT_DIM; j++) {
out->m[dim_i + j] = clone.m[(j * MAT_DIM) + i];
}
#endif
}
#endif
return out;
}
Mat4f_t mat4f_tpo(const Mat4f_t *restrict m)
{
Mat4f_t res = mat4f_clone(m);
mat4f_clone(&res);
return res;
}