#version 330 /* This file is part of the MinGfx Project. Copyright (c) 2017,2018 Regents of the University of Minnesota. All Rights Reserved. Original Author(s) of this File: Dan Keefe, 2018, University of Minnesota Author(s) of Significant Updates/Modifications to the File: ... */ in vec2 uv; uniform vec4 color; uniform sampler2D font_atlas; out vec4 frag_color; void main() { frag_color = color * texture(font_atlas, uv); // frag_color.a = frag_color.r; }