glEnable(0)

Could some explain it.
This didn’t helped me:
http://www.khronos.org/opengles/documentation/opengles1_0/html/glEnable.html

what exactly are you asking - glEnable(0) ?
That is not a valid enum for glEnable - the valid enums are given in the OpenGL 2.x/3.x/4.x specifications or the link to which you referred.