ATI glitch found, workaround in progress
Apparently, most (all?) recent ATI cards’ OpenGL drivers have a bug where if a program specifies that it requires a hardware-accelerated OpenGL context, then ATI gives you the default software-implemented Microsoft GDI-based OpenGL v1.1 renderer, instead. On the other hand, if you don’t tell it that you need an accelerated context, then it will give…