From 8cc7f48581d5702925b6bb9c53dee74c5c2742a4 Mon Sep 17 00:00:00 2001 From: Brecht Van Lommel Date: Wed, 28 Feb 2018 04:36:55 +0100 Subject: Cycles: principled absorption color now has more effect at lower values. --- intern/cycles/util/util_math_float3.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'intern/cycles/util') 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); -- cgit v1.2.3