Commit 074f6a512dcd9f8bb6fe6203a2a0b6dca78d6b5c
2019-10-14T00:51:53
macOS: Fix the initial window background not being black since macOS 10.14.2 or so, when OpenGL is used (bug #4810). Also fixes "CGContext: invalid context 0x0" errors when an OpenGL window is created (bug #4470).