Dgame revived

[Namespace via Digitalmars-d-announce]

> On OSX you can load either "legacy" version of OpenGL so 
> 1.x/2.x or 3.x+. Not both. I found this out for 
> Devisualization.Window. Most likely dgame by default is loading 
> it in legacy mode.

Derelict GL is loading in legacy mode. You have to call 'reload' 
after creating a valid GL Context to update your OpenGL to the 
highest possible version. Maybe that doesn't work on Mac?