GLX_ARB_create_context_robustness
http://www.opengl.org/registry/specs/ARB/glx_create_context_robustness.txt
GLX_ARB_create_context_robustness
	GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
	GLX_LOSE_CONTEXT_ON_RESET_ARB 0x8252
	GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
	GLX_NO_RESET_NOTIFICATION_ARB 0x8261
