Fix depth issues in multiple games

This should be the proper fix for depth issues .It renders depth correctly in those games that have issues problem .

1. Ridge Race 2 (no car invisible issue)
![screen00032](https://f.cloud.github.com/assets/3000282/730896/b11d4430-e25f-11e2-894e-cc1cf9fd85c7.jpg)

2. Gundam AGE Universe (character visible)
![screen00031](https://f.cloud.github.com/assets/3000282/730899/b43e236e-e25f-11e2-8ac9-008474a21989.jpg)

3. Saint Seiya Omega (character visible)
![screen00033](https://f.cloud.github.com/assets/3000282/730904/b77af070-e25f-11e2-878c-974484239e5f.jpg)