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Tesselation doesn't work on linux cooked version

Tesselation on linux works very well with UE4 Editor in Selected Viewport, New Editor Windows and Standalone Game with opengl 4

However when the game is cooked UE4 failed to loas material using tesselation with this kind or errors :

 LogStaticMesh:Warning: Adjacency information not built for static mesh with a material that requires it. Using default material instead.

The adjacency information seem correct and it works on windows cooked version. The cooked version use the correct Opengl version :

 LogRHI:   GL_VERSION: 4.3.0 NVIDIA 352.63
 LogRHI:   GL_ARB_tessellation_shader

Cooked version full log : http://pastebin.com/ZmuSsvU0

Editor version, tesselation working :

alt text alt text

Cooked version, tesselation not working :

alt text

Product Version: UE 4.10
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asked Nov 25 '15 at 07:55 PM in Bug Reports

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avatar image StrangerGwenn Dec 03 '15 at 10:01 AM

Upping this issue, as it hasn't been answered in one week.

avatar image Doug E ♦♦ STAFF Dec 03 '15 at 05:51 PM

Hey Gwenn-

If you are using OpenGL4 / Tessellation inside the editor then when you run the cooked game you will need to run OpenGL4 there as well.


Doug Wilson

avatar image StrangerGwenn Dec 03 '15 at 05:56 PM

We are aware of that. Please check out the attached log file - we start the cooked game with "-opengl4" and the logs seem to indicate GL 4.3.

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Hey Gwenn-

I was able to create a test project and had the same results in a packaged project as shown in your screenshots. This tessellation problem has been bugged (UE-24301) for further investigation.


Doug Wilson

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answered Dec 09 '15 at 11:08 PM

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