Framebuffers and fog
This MR improves generic post processing by using frame buffers.
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Basic framebuffer usage -
Resize framebuffer -
HUD frame buffer -
Clip skybox (for !39 (closed))(was before: aca57fd5, I have no clue how to do this) -
Fix transparency -
Access depth buffer in fragment shader -
Implement basic fog -
More complex fog -
Fixes -
Improve render system abstractions -
Super secrets -
Effects -
Nausea
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Overlays -
Lava -
Fire -
Wall/Blocks -
Water -
Pumpkin -
Powder snow -
Spyglass
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HUD inverted crosshair -
Fog clipping
Edited by Moritz Zwerger