Clarify array and struct uniforms being supported in Shading language

Author: Calinou

classes/class_node_2d.gd.rst

@@ -0,0 +1,107 @@
+:github_url: hide
+
+.. DO NOT EDIT THIS FILE!!!
+.. Generated automatically from Godot engine sources.
+.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
+.. XML source: https://github.com/godotengine/godot/tree/master/docs/node_2d.gd.xml.
+
+.. _class_node_2d_gd:
+
+"node_2d.gd"
+============
+
+**Inherits:** ``Node2D``
+
+.. container:: contribute
+
+	There is currently no description for this class. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
+
+.. rst-class:: classref-reftable-group
+
+Properties
+----------
+
+.. table::
+   :widths: auto
+
+   +-------------+---------------------------------------------+-------+
+   | ``Variant`` | :ref:`test<class_node_2d_gd_property_test>` | ``1`` |
+   +-------------+---------------------------------------------+-------+
+
+.. rst-class:: classref-reftable-group
+
+Methods
+-------
+
+.. table::
+   :widths: auto
+
+   +--------+-------------------------------------------------------------+
+   | |void| | :ref:`_ready<class_node_2d_gd_private_method__ready>`\ (\ ) |
+   +--------+-------------------------------------------------------------+
+
+.. rst-class:: classref-section-separator
+
+----
+
+.. rst-class:: classref-descriptions-group
+
+Property Descriptions
+---------------------
+
+.. _class_node_2d_gd_property_test:
+
+.. rst-class:: classref-property
+
+``Variant`` **test** = ``1`` :ref:`🔗<class_node_2d_gd_property_test>`
+
+This is a test comment.
+
+.. note::
+
+    This is a ``note``.
+
+.. warning::
+
+    This is a ``warning``.
+
+.. tip::
+
+    This is a ``tip``.
+
+.. important::
+
+    This is ``important``.
+
+
+
+More text following admonitions.
+
+.. rst-class:: classref-section-separator
+
+----
+
+.. rst-class:: classref-descriptions-group
+
+Method Descriptions
+-------------------
+
+.. _class_node_2d_gd_private_method__ready:
+
+.. rst-class:: classref-method
+
+|void| **_ready**\ (\ ) :ref:`🔗<class_node_2d_gd_private_method__ready>`
+
+.. container:: contribute
+
+	There is currently no description for this method. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
+
+.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
+.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
+.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
+.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
+.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
+.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
+.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
+.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
+.. |void| replace:: :abbr:`void (No return value.)`

tutorials/shaders/shader_reference/shading_language.rst

@@ -91,6 +91,10 @@ Most GLSL ES 3.0 datatypes are supported:
 |                        | Only supported in Compatibility/Android platform.                               |
 +------------------------+---------------------------------------------------------------------------------+
 
+These types can also be put inside :ref:`arrays <doc_shading_language_arrays>`
+or :ref:`structs <doc_shading_language_structs>`, which are also usable as uniforms,
+function parameters or return values.
+
 .. warning::
 
     Local variables are not initialized to a default value such as ``0.0``. If
@@ -255,6 +259,8 @@ precisions. Refer to the documentation of the target architecture for further
 information. In many cases, mobile drivers cause inconsistent or unexpected
 behavior and it is best to avoid specifying precision unless necessary.
 
+.. _doc_shading_language_arrays:
+
 Arrays
 ------
 
@@ -411,6 +417,8 @@ Alternatively, this can be done by using the ``uint(x)`` built-in conversion fun
     uint a = 1u;
     uint b = uint(1);
 
+.. _doc_shading_language_structs:
+
 Structs
 -------
 
@@ -1104,23 +1112,23 @@ method on a node that inherits from :ref:`class_GeometryInstance3D`:
 
 When using per-instance uniforms, there are some restrictions you should be aware of:
 
-- **Per-instance uniforms do not support textures or arrays**, only regular scalar and vector types. 
+- **Per-instance uniforms do not support textures or arrays**, only regular scalar and vector types.
 
 .. note::
 
     Due to GLSL limitations, you cannot directly index a texture array
     using a per-instance uniform. Sampler arrays can only be indexed by
     compile-time constant expressions.
-   
+
     As a workaround, pass a texture array as a regular uniform and the
     desired texture index as a per-instance uniform. Then use a ``switch``
     statement to select the texture:
-   
+
    .. code-block:: glsl
-   
+
       uniform sampler2D texture_array[4];
       instance uniform int texture_index;
-      
+
       void fragment() {
           vec4 color;
           switch (texture_index) {
@@ -1137,7 +1145,7 @@ When using per-instance uniforms, there are some restrictions you should be awar
                   color = texture(texture_array[3], UV);
                   break;
           }
-          
+
           COLOR = color;
       }