diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-28 06:36:55 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-28 22:11:53 +0300 |
| commit | 8cc7f48581d5702925b6bb9c53dee74c5c2742a4 (patch) | |
| tree | 623f16515d3ed3c094a3fed337e7768b72ddd33c /intern/cycles/util | |
| parent | 4762c099d75b12cfbd1d86000cc01c2bce57414b (diff) | |
Cycles: principled absorption color now has more effect at lower values.
Diffstat (limited to 'intern/cycles/util')
| -rw-r--r-- | intern/cycles/util/util_math_float3.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/intern/cycles/util/util_math_float3.h b/intern/cycles/util/util_math_float3.h index e0a89b539b0..a0a62ae95df 100644 --- a/intern/cycles/util/util_math_float3.h +++ b/intern/cycles/util/util_math_float3.h @@ -57,6 +57,7 @@ ccl_device_inline float3 clamp(const float3& a, const float3& mn, const float3& ccl_device_inline float3 fabs(const float3& a); ccl_device_inline float3 mix(const float3& a, const float3& b, float t); ccl_device_inline float3 rcp(const float3& a); +ccl_device_inline float3 sqrt(const float3& a); #endif /* !__KERNEL_OPENCL__ */ ccl_device_inline float min3(float3 a); @@ -270,6 +271,15 @@ ccl_device_inline float3 fabs(const float3& a) #endif } +ccl_device_inline float3 sqrt(const float3& a) +{ +#ifdef __KERNEL_SSE__ + return float3(_mm_sqrt_ps(a)); +#else + return make_float3(sqrtf(a.x), sqrtf(a.y), sqrtf(a.z)); +#endif +} + ccl_device_inline float3 mix(const float3& a, const float3& b, float t) { return a + t*(b - a); |