gl_FragCoord not working

Available only in the fragment language, gl_FragCoord is an input variable that contains the wind...

I'm playing with ranges and division based on resolution and fragment size/position, but couldn't...

The x and y components of gl_FragCoord represent the fragment's ... equation takes a depth value ...

screen, and gl_FragCoord.z contains the normalized z value in the range of [0, 1]. This is calcul...