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Document lossless WebP

Morris Tabor 4 years ago
parent
commit
833d7ae9fb
1 changed files with 17 additions and 15 deletions
  1. 17 15
      tutorials/assets_pipeline/importing_images.rst

+ 17 - 15
tutorials/assets_pipeline/importing_images.rst

@@ -28,6 +28,8 @@ Godot can import the following image formats:
   For complex vectors, rendering them to PNGs using Inkscape is often a better solution.
   For complex vectors, rendering them to PNGs using Inkscape is often a better solution.
   This can be automated thanks to its `command-line interface <https://wiki.inkscape.org/wiki/index.php/Using_the_Command_Line#Export_files>`__.
   This can be automated thanks to its `command-line interface <https://wiki.inkscape.org/wiki/index.php/Using_the_Command_Line#Export_files>`__.
 - WebP (``.webp``)
 - WebP (``.webp``)
+  - WebP files support transparency and can be compressed lossily or losslessly.
+  The precision is limited to 8 bits per channel.
 
 
 .. note::
 .. note::
 
 
@@ -78,21 +80,21 @@ Compress Mode
 In this table, each of the four options are described together with their
 In this table, each of the four options are described together with their
 advantages and disadvantages (|good| = best, |bad| = worst):
 advantages and disadvantages (|good| = best, |bad| = worst):
 
 
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
-|                | Uncompressed           | Compress Lossless (PNG)   | Compress Lossy (WebP)   | Compress VRAM                                        |
-+================+========================+===========================+=========================+======================================================+
-| Description    | Stored as raw pixels   | Stored as PNG             | Stored as WebP          | Stored as S3TC/BC or PVRTC/ETC depending on platform |
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
-| Size on Disk   | |bad| Large            | |regular| Small           | |good| Very Small       | |regular| Small                                      |
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
-| Memory Usage   | |bad| Large            | |bad| Large               | |bad| Large             | |good| Small                                         |
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
-| Performance    | |regular| Normal       | |regular| Normal          | |regular| Normal        | |good| Fast                                          |
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
-| Quality Loss   | |good| None            | |good| None               | |regular| Slight        | |bad| Moderate                                       |
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
-| Load Time      | |regular| Normal       | |bad| Slow                | |bad| Slow              | |good| Fast                                          |
-+----------------+------------------------+---------------------------+-------------------------+------------------------------------------------------+
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
+|                | Uncompressed           | Compress Lossless             | Compress Lossy       | Compress VRAM                                        |
++================+========================+===============================+======================+======================================================+
+| Description    | Stored as raw pixels   | Stored as Lossless WebP / PNG | Stored as Lossy WebP | Stored as S3TC/BC or PVRTC/ETC depending on platform |
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
+| Size on Disk   | |bad| Large            | |regular| Small               | |good| Very Small    | |regular| Small                                      |
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
+| Memory Usage   | |bad| Large            | |bad| Large                   | |bad| Large          | |good| Small                                         |
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
+| Performance    | |regular| Normal       | |regular| Normal              | |regular| Normal     | |good| Fast                                          |
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
+| Quality Loss   | |good| None            | |good| None                   | |regular| Slight     | |bad| Moderate                                       |
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
+| Load Time      | |regular| Normal       | |bad| Slow                    | |bad| Slow           | |good| Fast                                          |
++----------------+------------------------+-------------------------------+----------------------+------------------------------------------------------+
 
 
 .. |bad| image:: img/bad.png
 .. |bad| image:: img/bad.png