It's a known issue that touch will keep rendering all surfaces, even background ones. I'm going to assume this is a duplicate of bug 1227739 unless proven otherwise...
Also, maguro has known performance problems: bug 1182930
It's a known issue that touch will keep rendering all surfaces, even background ones. I'm going to assume this is a duplicate of bug 1227739 unless proven otherwise...
Also, maguro has known performance problems: bug 1182930