From 7f6530e5bdf88ddfaa52809acd1c0b88fe834b3e Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Mon, 3 Aug 2020 11:04:10 +0200 Subject: Cycles: Add finite checks for float4 and transforms Currently unused, preparing for an upcoming development. --- intern/cycles/util/util_math_float4.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'intern/cycles/util/util_math_float4.h') diff --git a/intern/cycles/util/util_math_float4.h b/intern/cycles/util/util_math_float4.h index cd4b3e3b74c..ec5328adb31 100644 --- a/intern/cycles/util/util_math_float4.h +++ b/intern/cycles/util/util_math_float4.h @@ -477,6 +477,24 @@ ccl_device_inline float4 safe_divide_float4_float(const float4 a, const float b) return (b != 0.0f) ? a / b : make_float4(0.0f, 0.0f, 0.0f, 0.0f); } +ccl_device_inline bool isfinite4_safe(float4 v) +{ + return isfinite_safe(v.x) && isfinite_safe(v.y) && isfinite_safe(v.z) && isfinite_safe(v.w); +} + +ccl_device_inline float4 ensure_finite4(float4 v) +{ + if (!isfinite_safe(v.x)) + v.x = 0.0f; + if (!isfinite_safe(v.y)) + v.y = 0.0f; + if (!isfinite_safe(v.z)) + v.z = 0.0f; + if (!isfinite_safe(v.w)) + v.w = 0.0f; + return v; +} + CCL_NAMESPACE_END #endif /* __UTIL_MATH_FLOAT4_H__ */ -- cgit v1.2.3