WGL_ARB_create_context_profile
http://www.opengl.org/registry/specs/gl/ARB/wgl_create_context.txt
WGL_ARB_create_context_profile
	WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
	WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
	WGL_CONTEXT_PROFILE_MASK_ARB 0x9126