// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License in the LICENSE-APACHE file or at:
// https://www.apache.org/licenses/LICENSE-2.0
#version 450
#extension GL_ARB_separate_shader_objects : enable
precision mediump float;
layout(location = 0) in vec2 tex_coord;
layout(location = 1) in vec4 col;
layout(location = 0) out vec4 outColor;
layout(set = 1, binding = 0) uniform texture2D tex;
layout(set = 1, binding = 1) uniform sampler tex_sampler;
void main() {
float alpha = texture(sampler2D(tex, tex_sampler), tex_coord).r;
outColor = vec4(col.rgb, col.a * alpha);
}