2D Pixel collision detection

Hello everyone, my previous game which is using cocos v3x was using pixel collision detection from this post : Pixel collision detection for v3.x . Its works nice and properly.
But now i want to upgrade my game into v4, so far i know Cocos remove GlProgram to Program. So i tried to upgrade it by looking cocos2dx reference v4, but now im ran out of idea how to do it in v4. I mean the new Program Class doesnt have class that supposed to be as the GlProgram class be, Its totaly change. i’ve took a look at cocos2dx …