Speedtree node bug
Import a speedtree tree.
The "Speedtree" node is connected to the world position offset.
Now create a texture coordinate node
And connect it to something that plugs into the base color.
You will see this error:
Disconnecting the "Speedtree" node from the world position offset fixes the problem.
I used it before and it worked fine, so this is a new bug in 4.15P1.
asked Jan 23 '17 at 11:48 PM in Bug Reports
This was caused by a really weird bug in the Microsoft HLSL compiler: https://social.msdn.microsoft.com/Forums/en-US/50f90e42-acb5-435c-907f-2979e6ca2043/why-is-this-function-call-ambiguous-when-compiling-my-d3d-shader?forum=windowssdk
We've worked around it in the final 4.15 release. Great catch!
answered Jan 25 '17 at 11:16 PM
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