https://bugs.winehq.org/show_bug.cgi?id=11718 Bug 11718 depends on bug 15232, which changed state.
Bug 15232 Summary: Button in simple OpenGL application gets overdrawn https://bugs.winehq.org/show_bug.cgi?id=15232
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED