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44 lines
2.8 KiB
ReStructuredText
44 lines
2.8 KiB
ReStructuredText
:github_url: hide
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.. _class_CompressedTexture2DArray:
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CompressedTexture2DArray
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========================
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**Hérite de :** :ref:`CompressedTextureLayered<class_CompressedTextureLayered>` **<** :ref:`TextureLayered<class_TextureLayered>` **<** :ref:`Texture<class_Texture>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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Tableau de textures à 2 dimensions, potentiellement compressées.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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A texture array that is loaded from a ``.ctexarray`` file. This file format is internal to Godot; it is created by importing other image formats with the import system. **CompressedTexture2DArray** can use one of 4 compression methods:
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- Lossless (WebP or PNG, uncompressed on the GPU)
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- Lossy (WebP, uncompressed on the GPU)
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- VRAM Compressed (compressed on the GPU)
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- VRAM Uncompressed (uncompressed on the GPU)
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- Basis Universal (compressed on the GPU. Lower file sizes than VRAM Compressed, but slower to compress and lower quality than VRAM Compressed)
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Only **VRAM Compressed** actually reduces the memory usage on the GPU. The **Lossless** and **Lossy** compression methods will reduce the required storage on disk, but they will not reduce memory usage on the GPU as the texture is sent to the GPU uncompressed.
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Using **VRAM Compressed** also improves loading times, as VRAM-compressed textures are faster to load compared to textures using lossless or lossy compression. VRAM compression can exhibit noticeable artifacts and is intended to be used for 3D rendering, not 2D.
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See :ref:`Texture2DArray<class_Texture2DArray>` for a general description of texture arrays.
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.. |virtual| replace:: :abbr:`virtual (Cette méthode doit typiquement être redéfinie par l'utilisateur pour avoir un effet.)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (Cette méthode n'a pas d'effets de bord. Elle ne modifie aucune des variables membres de l'instance.)`
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.. |vararg| replace:: :abbr:`vararg (Cette méthode accepte n'importe quel nombre d'arguments après ceux décris ici.)`
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.. |constructor| replace:: :abbr:`constructor (Cette méthode est utilisée pour construire un type.)`
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.. |static| replace:: :abbr:`static (Cette méthode n'a pas besoin d'instance pour être appelée, elle peut donc être directement appelée en utilisant le nom de la classe.)`
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.. |operator| replace:: :abbr:`operator (Cette méthode décrit un opérateur valide à utiliser avec ce type en tant qu'opérande gauche.)`
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.. |bitfield| replace:: :abbr:`BitField (Cette valeur est un nombre entier composé d'un masque de bits des options suivantes.)`
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.. |void| replace:: :abbr:`void (Aucune valeur de retour.)`
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