Merge pull request #6782 from Calinou/update-import-docs

Update resource importing documentation for Godot 4.0

Author: mhilbrunner

tutorials/3d/3d_rendering_limitations.rst

@@ -23,6 +23,11 @@ your texture to display correctly on all platforms, you should avoid using
 textures larger than 4096×4096 and use a power of two size if the texture needs
 to repeat.
 
+To limit the size of a specific texture that may be too large to render, you can
+set the **Process > Size Limit** import option to a value greater than ``0``.
+This will reduce the texture's dimensions on import (preserving aspect ratio)
+without affecting the source file.
+
 .. _doc_3d_rendering_limitations_color_banding:
 
 Color banding

tutorials/3d/standard_material_3d.rst

@@ -448,6 +448,8 @@ World Triplanar
 When using triplanar mapping, it is computed in object local space. This
 option makes it use world space instead.
 
+.. _doc_standard_material_3d_sampling:
+
 Sampling
 --------
 

tutorials/3d/volumetric_fog.rst

@@ -214,6 +214,8 @@ the following properties in FogMaterial:
   of the FogVolume. This can be used to vary fog density within the FogVolume
   with any kind of static pattern. For animated effects, consider using a custom
   :ref:`fog shader <doc_fog_shader>`.
+  You can import any image as a 3D texture by
+  :ref:`changing its import type in the Import dock <doc_importing_images_changing_import_type>`.
 
 Custom FogVolume shaders
 ------------------------