Partially unroll template for grass shadow.
Move draw template function to render_geometry.cpp
Simplify material
More work.
Fix RSM
Raise one of ssao tolerance value.
Fix instanced and reenable displace.
Reenable normal map material.
Do not convert normal map to srgb.
Do not use srgb texture for splatting.
Fix material identification.
Reenable transparents.
Duplicate singleton code for abstract/non abstract cases
Use emplace_back instead of push_back(std::make_tuple())
Remove use of texture2d in rh.frag
Fixes shader errors reported by Auria
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lapnumber