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Merge pull request #11246 from Calinou/multiple-resolutions-resolution-scaling

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Update instructions for resolution scaling in Multiple resolutions
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Matthew
2025-09-01 08:24:38 -04:00
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parent b4518add88 967f758b9c
commit 477811b99b
1 changed files with 7 additions and 17 deletions
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tutorials/rendering/multiple_resolutions.rst
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@@ -556,21 +556,11 @@ more sense to use **Keep Width** instead (also called *Vert-*). This way,
smartphones with an aspect ratio taller than 16:9 (e.g. 19:9) will use a
*taller* field of view, which is more logical here.
Scaling 2D and 3D elements differently using Viewports
------------------------------------------------------
Scaling 2D and 3D elements differently
--------------------------------------
Using multiple Viewport nodes, you can have different scales for various
elements. For instance, you can use this to render the 3D world at a low
resolution while keeping 2D elements at the native resolution. This can improve
performance significantly while keeping the HUD and other 2D elements crisp.
This is done by using the root Viewport node only for 2D elements, then creating
a Viewport node to display the 3D world and displaying it using a
SubViewportContainer or TextureRect node. There will effectively be two viewports
in the final project. One upside of using TextureRect over SubViewportContainer is
that it allows enable linear filtering. This makes scaled 3D viewports look
better in many cases.
See the
`3D viewport scaling demo <https://github.com/godotengine/godot-demo-projects/tree/master/viewport/3d_scaling>`__
for examples.
To render 3D at a different resolution from 2D elements (such as the UI), use Godot's
:ref:`resolution scaling <doc_resolution_scaling>` functionality. This allows you to
control the resolution scale factor used for 3D without needing to use a separate Viewport
node. This can either be used to improve performance by rendering 3D at a lower resolution,
or improve quality via supersampling.