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Gradation bug using BSDF
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Gradation bug using BSDF
When replace with Diffuse is working as expected.

Please refer to the attached image and blend file.

Event Timeline

Joel Godin (FloridaJo) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.Dec 21 2017, 2:14 PM

seems to work allright when you enable osl on cpu render so it seems limited to SVM, however doing 2 viewport osl renders seems to make things extra unhappy but that's a different bug all together i suppose.

Hitting clamp on the multiply node inside the shader node group fixes it.... have a feeling it has something to do with the logic around >1 inputs into the mix shader node.

heres a simplified blend file. shader simplified. geometry on a flat plane.