What steps will reproduce the problem? 1. There is no way to use glBlendFuncSeparate through ccGLStateCache

What is the expected output? What do you see instead? Being able to set separate blend parameters for color and alpha

What cocos2d version are you using ? 2.1

What iOS / Mac SDK are you using ? iOS

Debug or Release ? Both

Which target device / target OS are you using ? All

iOS only: Does this happens on device ? or on the simulator ? or on both ? Both

Please provide any additional information below.

Pull request submitted... https://github.com/cocos2d/cocos2d-iphone/pull/321