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classes/class_texture2darray.rst
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@@ -12,7 +12,14 @@ Texture2DArray
**Inherits:** :ref:`ImageTextureLayered<class_ImageTextureLayered>` **<** :ref:`TextureLayered<class_TextureLayered>` **<** :ref:`Texture<class_Texture>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
A single texture resource which consists of multiple, separate images. Each image has the same dimensions and number of mipmap levels.
Description
-----------
A Texture2DArray is different from a Texture3D: The Texture2DArray does not support trilinear interpolation between the :ref:`Image<class_Image>`\ s, i.e. no blending.
A Texture2DArray is also different from an :ref:`AtlasTexture<class_AtlasTexture>`: In a Texture2DArray, all images are treated separately. In an atlas, the regions (i.e. the single images) can be of different sizes. Furthermore, you usually need to add a padding around the regions, to prevent accidental UV mapping to more than one region. The same goes for mipmapping: Mipmap chains are handled separately for each layer. In an atlas, the slicing has to be done manually in the fragment shader.
.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`