The problem is that we cannot read raw mouse input on Macs; The Mac acceleration is applied before cxgames gets the values. So you'll have to disable the mouse acceleration in the OSX settings(and reenable it after playing since this will make the mouse unusable for day-to-day operations...
Make a dxvk.conf and add this line of code to it "dxgi.syncInterval = 0". This should smooth out the gameplay and make it no longer slow down when entering or leaving a area. Performance:Slight Performance Problems Would slow down even harder in specific areas where the game would usuall...