Describe the bug

With Floodfill on:

Without Floodfill:

Describe how your minecraft is set up

1. Include a screenshot of the in-game f3 debug overlay. Please make sure it is fully visible.

2. Additional Info:

• What version of the shader you are using (e.g Bliss v2.0.4, Bliss Shader Main)
  • commit d5a9288
• If you are using any, what additional mods you are using besides the ones required to use the shader (e.g distant horizons, physics mod)
  • distant horizons

Describe how to reproduce the bug

1. Enable floodfill
2. go underground, light up area with torches
3. observe