gaussian-splatting-my/external/viewers/shaders/core/poisson_diverg.frag

/*
 * 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(binding = 0) uniform sampler2D synth;
layout(location= 0) out vec4 out_constraint;

void main(void) {
    vec4 I = texelFetch(synth, ivec2(gl_FragCoord.xy), 0);

    // hole - perform Poisson synthesis here
    if (all(lessThan(I.xyz,vec3(0.01))))
        out_constraint = vec4(0);
    else
        out_constraint = I;
}