diff options
| -rw-r--r-- | intern/cycles/util/util_math.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h index ce2e4e5c30d..b9594f7ec69 100644 --- a/intern/cycles/util/util_math.h +++ b/intern/cycles/util/util_math.h @@ -462,12 +462,13 @@ ccl_device_inline float3 operator*(const float f, const float3& a) ccl_device_inline float3 operator/(const float f, const float3& a) { -#ifdef __KERNEL_SSE__ - __m128 rc = _mm_rcp_ps(a.m128); - return float3(_mm_mul_ps(_mm_set1_ps(f),rc)); -#else + /* TODO(sergey): Currently disabled, gives speedup but makes intersection tets non-watertight. */ +// #ifdef __KERNEL_SSE__ +// __m128 rc = _mm_rcp_ps(a.m128); +// return float3(_mm_mul_ps(_mm_set1_ps(f),rc)); +// #else return make_float3(f / a.x, f / a.y, f / a.z); -#endif +// #endif } ccl_device_inline float3 operator/(const float3& a, const float f) |