hrydgard/ppsspp — pull request #4150 by raven02 (2013-10-13 02:20:03+00:00)
Title: Set stencil ref value to 0xFF when format is 5650 which is no alpha

Tested with following games that affected by stencil testing

1. Brave Story
2. Outrun 2006
3. Star Ocean
4. FF4