Hey while this is a good job dropping OpenGL in there, it still appears it might've been broken during refactoring. Looks like normals aren't being merged (a common issue with Major's refactored client) and certain textures aren't being used when they should.
GPU Mode:
https://dane.s-ul.eu/6TEU74VC
CPU Mode
https://dane.s-ul.eu/baPIQat8