glxc->drawPriv will be NULL if the context is direct, or if it is current but without a bound drawable. Mesa's libGL won't normally emit protocol for direct contexts for these calls, but a malign client could still crash the server.
glxc->drawPriv will be NULL if the context is direct, or if it is current but without a bound drawable. Mesa's libGL won't normally emit protocol for direct contexts for these calls, but a malign client could still crash the server.