GE Dishwasher Not cleaning Dishes

Hello, I have the above model Dishwasher for the past 2-3 years. I am having problems getting the dishes cleaned. There are small white particles left on the dishes, some are getting a white film. Also, he glasses become fogged over time. I do have a water softener, use less soap because of that, and I have jet dry in the dispenser. The biggest problem overall, however, is the dishes are not getting cleaned. Please help.