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+ Added some more information of the wallpaperengine textures format

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Signed-off-by: Alexis Maiquez <almamu@almamu.com>
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Alexis Maiquez 2019-02-17 04:13:47 +01:00
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commit cf9457df65
1 changed files with 27 additions and 11 deletions
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docs/TEXTURE_FORMAT.md
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@ -1,14 +1,30 @@
# Texture format
Wallpaper engine uses a custom texture format converted by resourcecompiler.exe
# Texture storage format
Wallpaper engine uses a custom texture storage format converted by resourcecompiler.exe
## Header
| Information | Size | Default value |
|---|---|---|
| __File type indicator__ | 8 bytes | TEXV0005 |
| __Padding__ | 1 byte | Null terminator for string |
| __Extra file type indicator?__ | 8 bytes | TEXI0001 |
| __Padding__ | 1 byte | Null terminator for string |
| __Texture type__ | 1 byte | 4 => DXT5? 0 => JPEG? |
| __Unknown data__ | 15 bytes | To be reversed |
| __Width__ | 4 bytes | Image's width |
| __Height__ | 4 bytes | Image's height |
| __Unknown data__ | 5 bytes | To be reversed |
| __Container version__ | 8 bytes | TEXB0003 |
| __Padding__ | 1 byte | Null terminator for string |
| __Unknown data__ | 8 bytes | To be reversed |
| __Mip map levels__ | 4 bytes | The number of mipmaps stored for this texture |
| __Mipmap entry__ | x bytes | See Mipmap entries |
| Type indicator |
|---|
| 8 bytes |
#### Format
| |
|---|
| |
## Mipmap entries
| Information | Size | Default value |
|---|---|---|
| __Width__ | 4 bytes | Mipmap's entry width |
| __Height__| 4 bytes | Mipmap's entry height |
| __Compression flag__ | 4 bytes | Indicates if the content is compressed or not |
| __Next image size__ | 4 bytes | Image block size (uncompressed) |
| __Next image size__ | 4 bytes | Image block size (compressed) |
| __Mipmap pixels__ | x bytes | Actual bitmap data in the format specified |