#version 420 core

in vec2 _f_texture;

layout (binding = 0) uniform sampler2D text;
uniform vec4 _u_colour; 

out vec4 _o_colour;

void main() {
    float alpha = texture(text, _f_texture).r;
    _o_colour = vec4(_u_colour.rgb, alpha * _u_colour.a);
}