Baked Orzo with Shrimp, Tomato Sauce, and Feta

3 garlic cloves, minced

1/2 teaspoon dried oregano , crumbled

1/4 teaspoon dried hot red pepper flakes

2 tablespoons olive oil

1/2 cup dry white wine

1 (28- to 32-oz) can crushed tomato es

1 teaspoon salt

1 1/2 lb large shrimp (about 36), shelled and deveined

1 lb orzo (rice-shaped pasta)

1/2 cup Kalamata or other brine-cured black olive s, pitted and chopped

1 lb feta , patted dry and crumbled (3 cups)