/*
 * Copyright (C) 2020, Inria
 * GRAPHDECO research group, https://team.inria.fr/graphdeco
 * All rights reserved.
 *
 * This software is free for non-commercial, research and evaluation use 
 * under the terms of the LICENSE.md file.
 *
 * For inquiries contact sibr@inria.fr and/or George.Drettakis@inria.fr
 */


#version 420

layout(location = 0) out vec4 out_color;

uniform sampler2D image;
uniform bool flip = false;

in vec4 texcoord;

void main(void)
{
    vec4 color   = texture(image, flip ? vec2(texcoord.x, 1.0 - texcoord.y) : texcoord.xy);
    out_color    = color;//vec4(color.rgb, 1.0);
    gl_FragDepth = color.w;
}