Material
specular_exponent
This was a duplicate of the `Material::shininess` variable.
FloatVector4
Same type, but more consistent with the rest of LibSoftGPU and LibGL.
glMaterialf{v}
These two functions have been turned from stubs into actually doing something. They now set the correspondingmaterial data member based on the value passed into the `pname`argument. Co-authored-by: Stephan Unverwerth <s.unverwerth@serenityos.org>
