Lots of optimizations, support for explicit tangents information in glTF and X3D, X3D

[DP News-Robot]

As I mentioned in the news post 2 weeks ago, lately I’ve been following a trail of reworking and optimizing some renderer code. In particular this is important if you do skinned animation in glTF with bump mapping — which is a very common use-case. New features / optimizations: We support now explicit tangent vectors …