/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
 *                                                                                       *
 * Copyright (c) 2014-2023                                                               *
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#ifndef POWERSCALING_FS_H_HGLSL
#define POWERSCALING_FS_H_HGLSL

#include "floatoperations.glsl"

// Observable universe is 10^27m, setting the far value to extremely high, aka 30!! ERMAHGERD!

#include "powerScalingMath.hglsl"

float pscDepth(vec4 position) {
  // For now: simply convert power scaled coordinates to a linear scale.
  // TODO: get rid of power scaled coordinates and use scale graph instead.
  //        return (position.w + log(abs(position.z) + 1/pow(k, position.w))/log(k)) / 27.0;
  return safeLength(pscToLinear(position));
}

#endif
