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@@ -180,6 +180,12 @@ You can also set the :ref:`Viewport <class_Viewport>` to use HDR, HDR is very us
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If you know how the :ref:`Viewport <class_Viewport>` is going to be used, you can set its Usage to either 3D or 2D. Godot will then
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restrict how the :ref:`Viewport <class_Viewport>` is drawn to in accordance with your choice; default is 3D.
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+The 2D usage mode is slightly faster and uses less memory compared to the 3D one. It's a good idea to set the :ref:`Viewport <class_Viewport>`'s Usage property to 2D if your viewport doesn't render anything in 3D.
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+
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+.. note::
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+
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+ If you need to render 3D shadows in the viewport, make sure to set the viewport's *Shadow Atlas Size* property to a value higher than 0.
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+ Otherwise, shadows won't be rendered. For reference, the Project Settings define it to 4096 by default.
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Godot also provides a way of customizing how everything is drawn inside :ref:`Viewports <class_Viewport>` using “Debug Draw”.
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Debug Draw allows you to specify one of four options for how the :ref:`Viewport <class_Viewport>` will display things drawn
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@@ -203,8 +209,11 @@ Overdraw draws the meshes semi-transparent with an additive blend so you can see
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*The same scene with Debug Draw set to Overdraw*
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-Lastly, Wireframe draws the scene using only the edges of triangles in the meshes. NOTE: As of
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-this writing (v3.0.2), wireframe mode is not functional and currently renders the scene normally.
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+Lastly, Wireframe draws the scene using only the edges of triangles in the meshes.
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+
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+.. note::
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+
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+ The effects of the Wireframe mode are only visible in the editor, not while the project is running.
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Render target
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-------------
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Rémi Verschelde