https://bugs.winehq.org/show_bug.cgi?id=39365
--- Comment #6 from Gijs Vermeulen gijsvrm@gmail.com --- (In reply to Andrey Gusev from comment #5)
Not reproducible for me. Same driver and I don't use MaxVersionGL.
Did you make sure ARB shaders were actually used? I got a message saying that ARB shaders are not supported in core contexts, which is why I set MaxVersionGL.