knarkowicz

// Mostly code from https://github.com/ampas/aces-dev

Vec3 ACES_RRT( Vec3 aces )
{
  // --- Glow module --- //
  float saturation = rgb_2_saturation( aces);
  float ycIn = rgb_2_yc( aces);
  float s = sigmoid_shaper( (saturation - 0.4f) / 0.2f);
  float addedGlow = 1.0f + glow_fwd( ycIn, RRT_GLOW_GAIN * s, RRT_GLOW_MID);