#version 410

uniform sampler2D texture1;
in vec2 uvV;

out vec4 fragColor;

// Simplest Texture render -- assign "texture1" from varying UV coords.
// Requires vertex shader with uvV output, only.
void main (void)
{
    fragColor = texture(texture1, uvV);
    
    fragColor.r = cos(fragColor.r * 6.7011) * 0.5 + 0.5;
    fragColor.g = cos(fragColor.g * 5.11) * 0.5 + 0.5;
    fragColor.b = cos(fragColor.b * 4.023948) * 0.5 + 0.5;
    
    float depth = 0.1;
    fragColor.rgb *= (1.0 - depth) + (sin(uvV.x) * depth / 2.0);
}