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Getting Errors When I Turn On Tesselation

Hello, I've been trying to follow a tutorial on how to create a tesselated ice material. However, every time I change my tesselation mode off of 'None', I get a handful of errors in the same vein to this one.

"[SM5] /Engine/Private/DepthOnlyVertexShaader.usf(0): error: Unhandled output variable OutClipDistance [[SV_ClipDistance]] found in tesselation shader"

I truly have no idea how to address the issue other than to not use the tesselation, but it really takes away from what I was trying to learn. I'm not sure if it's limitations with my graphics card or what, but I'd love if anyone could point me in the right direction/shed some light on this issue.

Product Version: UE 4.18
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asked May 23 '18 at 06:56 PM in Blueprint Scripting

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buddhatrixie
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avatar image mcleary May 24 '18 at 01:08 PM

Can you confirm you have support for tesselation in your GPU? If I am not mistaken, you need full DirectX11 support on your GPU to use tesselation.

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