

uniform vec4 knob1;
uniform vec4 knob2;
uniform vec4 knob3;
uniform vec4 knob4;
uniform vec4 knob5;
uniform vec4 knob6;
uniform vec4 knob7;
uniform vec4 knob8;
uniform vec4 knob9;
uniform vec4 knob10;
uniform ivec4 intKnob;