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@@ -272,8 +272,9 @@ these properties, and if you don't write to them, Godot will optimize away the c
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+========================================+==================================================================================================+
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| in vec2 **VIEWPORT_SIZE** | Size of viewport (in pixels). |
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+----------------------------------------+--------------------------------------------------------------------------------------------------+
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-| in vec4 **FRAGCOORD** | Coordinate of pixel center in screen space. ``xy`` specifies position in window, ``z`` |
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-| | specifies fragment depth if ``DEPTH`` is not used. Origin is lower-left. |
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+| in vec4 **FRAGCOORD** | Coordinate of pixel center in screen space. ``xy`` specifies position in window. Origin is lower |
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+| | left. ``z`` specifies fragment depth. It is also used as the output value for the fragment depth |
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+| | unless ``DEPTH`` is written to. |
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+----------------------------------------+--------------------------------------------------------------------------------------------------+
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| in bool **FRONT_FACING** | ``true`` if current face is front facing. |
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+----------------------------------------+--------------------------------------------------------------------------------------------------+
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Flarkk