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Clarify the impact of "Normal Map (RG Channels)" on texture imports. (#10511)

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* Clarifying the impact of "Normal Map (RG Channels)" on texture imports.
This commit is contained in:
Tom Schultz
2025-01-16 15:15:44 -05:00
committed by GitHub
parent 8f772f6e7d
commit 8996cc1e37
1 changed files with 4 additions and 2 deletions
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6
tutorials/assets_pipeline/importing_images.rst
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@@ -348,8 +348,10 @@ does not use the blue channel.
A third option **Normal Map (RG Channels)** is *only* available in layered
textures (:ref:`class_Cubemap`, :ref:`class_CubemapArray`, :ref:`class_Texture2DArray`
and :ref:`class_Texture3D`). This forces all layers from the texture to be imported
with the RG color format to reduce memory usage, with only the red and green
channels preserved. This only has an effect on textures with the **VRAM Compressed**
with the RG color format, with only the red and green
channels preserved. :abbr:`RGTC (Red-Green Texture Compression)` compression is able to
preserve its detail much better, while using the same amount of memory as a standard
RGBA VRAM-compressed texture. This only has an effect on textures with the **VRAM Compressed**
or **Basis Universal** compression modes.
.. _doc_importing_images_mipmaps: