#version 310

// A+B
// ------------
// IN: 3 (FX A)
// IN: 4 (FX B)
// OUT: 6 (MFX)

in vec2 vUV;
out vec4 fragColor;

#include inc_magic.glsl
#include inc_functions.glsl

uniform int iDemo;
uniform sampler2D iTex3;
uniform sampler2D iTex4;
uniform int iSeed5;
uniform vec3 iGroup3_1[2];

void main() {
    float mix_value = magic(iGroup3_1[1].xy, vec3(1, 0, 0), iSeed5);
    bool mix_type = magic_trigger(vec3(iGroup3_1[0].x, 0, 0), iSeed5 + 10);

    vec4 color_a = texture(iTex3, vUV);
    vec4 color_b = texture(iTex4, vUV);

    float k = mean(color_a);

    mix_value = mix(mix_value, mix_value * .9 + .05, iDemo);

    if (mix_type) {
        fragColor = mix(color_a, color_b, step(mix_value, k));
    } else {
        fragColor = mix(color_b, color_a, mix_value);
    }
}