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[1.12] Strange lighting with PBR

Posted: Wed May 15, 2019 1:54 pm
by FloydPepper
Ogre Version: 1.12
Operating System: Windows 10
Render System: OpenGL and D3D9


I have noticed a strange phenomenon with PBR lighting :

Here the mesh is upside down, the normals points downward. I Have only one point light which is below the mesh. So, from the camera point of view, the mesh should not be illuminated like that, it should be in shadows. The other mesh's side is correctly illuminated.

Is this result normal ?

Thank you