// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#version 450

layout(binding = 0) uniform sampler2D color_texture;

void main() {
    ivec2 coord = ivec2(gl_FragCoord.xy);
    vec4 color = texelFetch(color_texture, coord, 0).abgr;

    float value = color.a * (color.r + color.g + color.b) / 3.0f;

    gl_FragDepth = value;
}