diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_math.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_math.osl | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/intern/cycles/kernel/shaders/node_math.osl b/intern/cycles/kernel/shaders/node_math.osl index c5fcbc311d3..aa9f6e671c3 100644 --- a/intern/cycles/kernel/shaders/node_math.osl +++ b/intern/cycles/kernel/shaders/node_math.osl @@ -40,6 +40,18 @@ float safe_modulo(float a, float b) return result; } +float safe_sqrt(float a) +{ + float result; + + if (a > 0.0) + result = sqrt(a); + else + result = 0.0; + + return result; +} + float safe_log(float a, float b) { if (a < 0.0 || b < 0.0) @@ -97,6 +109,14 @@ shader node_math( Value = fabs(Value1); else if (type == "arctan2") Value = atan2(Value1, Value2); + else if (type == "floor") + Value = floor(Value1); + else if (type == "ceil") + Value = ceil(Value1); + else if (type == "fract") + Value = Value1 - floor(Value1); + else if (type == "sqrt") + Value = safe_sqrt(Value1); if (use_clamp) Value = clamp(Value, 0.0, 1.0); |