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test/intern
Sergey Sharybin 5cf519ac51 OpenSubdiv: Better approximation of vertex normals
Use vertex varying data which gives better approximation of normals.
Still not ideal but should be closer for higher poly meshes to correct
normal.

The only way to have proper smooth normals seems to be to implement
patch evaluation in tessellation shader, but that's a bit PITA with
current GLSL usage in our draw code.
2015-08-25 13:16:55 +02:00
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