diff options
Diffstat (limited to 'intern/cycles/util/util_math_float3.h')
| -rw-r--r-- | intern/cycles/util/util_math_float3.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/intern/cycles/util/util_math_float3.h b/intern/cycles/util/util_math_float3.h index dd2010715ba..162bc900d9f 100644 --- a/intern/cycles/util/util_math_float3.h +++ b/intern/cycles/util/util_math_float3.h @@ -91,6 +91,20 @@ ccl_device_inline bool isequal_float3(const float3 a, const float3 b); * Definition. */ +ccl_device_inline float3 zero_float3() +{ +#ifdef __KERNEL_SSE__ + return float3(_mm_setzero_ps()); +#else + return make_float3(0.0f, 0.0f, 0.0f); +#endif +} + +ccl_device_inline float3 one_float3() +{ + return make_float3(1.0f, 1.0f, 1.0f); +} + #ifndef __KERNEL_OPENCL__ ccl_device_inline float3 operator-(const float3 &a) { @@ -373,8 +387,7 @@ ccl_device_inline float3 reflect(const float3 incident, const float3 normal) ccl_device_inline float3 project(const float3 v, const float3 v_proj) { float len_squared = dot(v_proj, v_proj); - return (len_squared != 0.0f) ? (dot(v, v_proj) / len_squared) * v_proj : - make_float3(0.0f, 0.0f, 0.0f); + return (len_squared != 0.0f) ? (dot(v, v_proj) / len_squared) * v_proj : zero_float3(); } ccl_device_inline float3 saturate3(float3 a) @@ -410,7 +423,7 @@ ccl_device_inline float3 safe_divide_float3_float3(const float3 a, const float3 ccl_device_inline float3 safe_divide_float3_float(const float3 a, const float b) { - return (b != 0.0f) ? a / b : make_float3(0.0f, 0.0f, 0.0f); + return (b != 0.0f) ? a / b : zero_float3(); } ccl_device_inline float3 interp(float3 a, float3 b, float t) |