Feedback Node, OUT node redirected as an input to the node set.

CONTROLS :
        FPARAM0 : to shader fparams[0]
        FPARAM1 : to shader fparams[1]
        FPARAM2 : to shader fparams[2]

uniform sampler2D tex; // left input
uniform sampler2D tex2; // right input, feedback
if(iparams[0]==0) // display feedback

SETTINGS :

ACTIONS :
        Previous FRAG Shader
        Next FRAG Shader
        Random FRAG Shader
        Last FRAG Shader

        Clear Feedback

NOTES :
– NODES FBK1 and FBK2 are based on the FBK NODE