cant find the stinking button....

In this video:
the guy clicks a button (on the top of the screen) that enables glsl or something like that, so you can see it realtime.

(it is at 1:27 in the video)

i am in the apricot buiild also and it is not there! help please!

Are you using the latest build? I believe. Look for the latest build.

Oh to enable glsl you hit Game > use GLSL

That may be an old build.