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fixed a bug in matrix3_transpose - rotate the vector, don't transform the vector

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jp9000 2013-11-26 22:24:10 -07:00
parent 56034fd9ac
commit 32e34ffe25
1 changed files with 6 additions and 6 deletions
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12
libobs/graphics/matrix3.c
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@ -111,14 +111,14 @@ void matrix3_scale(struct matrix3 *dst, const struct matrix3 *m,
void matrix3_transpose(struct matrix3 *dst, const struct matrix3 *m)
{
__m128 tmp1, tmp2;
vec3_transform(&dst->t, &m->t, m);
vec3_rotate(&dst->t, &m->t, m);
vec3_neg(&dst->t, &dst->t);
tmp1 = _mm_movelh_ps(m->x.m, m->y.m);
tmp2 = _mm_movehl_ps(m->y.m, m->x.m);
dst->x.m = _mm_shuffle_ps(tmp1, m->z.m, _MM_SHUFFLE(3, 0, 2, 0));
dst->y.m = _mm_shuffle_ps(tmp1, m->z.m, _MM_SHUFFLE(3, 1, 3, 1));
dst->z.m = _mm_shuffle_ps(tmp2, m->z.m, _MM_SHUFFLE(3, 2, 2, 0));
tmp1 = _mm_movelh_ps(m->x.m, m->y.m);
tmp2 = _mm_movehl_ps(m->y.m, m->x.m);
dst->x.m = _mm_shuffle_ps(tmp1, m->z.m, _MM_SHUFFLE(3, 0, 2, 0));
dst->y.m = _mm_shuffle_ps(tmp1, m->z.m, _MM_SHUFFLE(3, 1, 3, 1));
dst->z.m = _mm_shuffle_ps(tmp2, m->z.m, _MM_SHUFFLE(3, 2, 2, 0));
}
void matrix3_inv(struct matrix3 *dst, const struct matrix3 *m)