Hacking [release] GTX Extractor

[AboodXD]

GTX Extractor v5.2​

GTX Extractor is a tool which extracts textures from the GX2 Texture ('Gfx2' / .gtx file extension) format used in Wii U games, and saves them as DDS.
It can also convert DDS back to a .gtx file.

Supported texture formats:

• GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM
• GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_SRGB
• GX2_SURFACE_FORMAT_TCS_R10_G10_B10_A2_UNORM
• GX2_SURFACE_FORMAT_TCS_R5_G6_B5_UNORM
• GX2_SURFACE_FORMAT_TC_R5_G5_B5_A1_UNORM
• GX2_SURFACE_FORMAT_TC_R4_G4_B4_A4_UNORM
• GX2_SURFACE_FORMAT_TC_R8_UNORM
• GX2_SURFACE_FORMAT_TC_R8_G8_UNORM
• GX2_SURFACE_FORMAT_TC_R4_G4_UNORM
  
• GX2_SURFACE_FORMAT_T_BC1_UNORM
• GX2_SURFACE_FORMAT_T_BC1_SRGB
• GX2_SURFACE_FORMAT_T_BC2_UNORM
• GX2_SURFACE_FORMAT_T_BC2_SRGB
• GX2_SURFACE_FORMAT_T_BC3_UNORM
• GX2_SURFACE_FORMAT_T_BC3_SRGB
• GX2_SURFACE_FORMAT_T_BC4_UNORM
• GX2_SURFACE_FORMAT_T_BC4_SNORM
  
• GX2_SURFACE_FORMAT_T_BC5_UNORM
• GX2_SURFACE_FORMAT_T_BC5_SNORM

Why so complex?

Wii U textures appear to be packed using a complex 'texture swizzling' algorithm, presumably for faster access.

FAQ:

• How do I run this on my Mac/Linux (Ubuntu)?
  
  You need to run it from source code.

• How do I run this from source code?
  
  On Windows:
  All you need is to install Python 3.4 or higher and open "gtx_extract.py" using python.exe.
  
  Other platforms:
  All you need is to install Python 3.4 or higher and run the command "python3 gtx_extract.py".

• How do I build the source code?
  
  On Windows:
  After installing Python 3.4 or higher, install cx_Freeze and open "build.py" using python.exe.
  
  Other platforms:
  After installing Python 3.4 or higher, install cx_Freeze and run the command "python3 build.py". (build.py was tested on Windows only)

Download.
Source code / Github.

 

[AboodXD]

There's a crazy bug that is going on, there's no reason for it..... >.<
I'm trying my best to fix it!

 

[CuriousTommy]

Keep up the good work, I can wait for all the formats to be supported. No more proprietary tools!

(Also, thank you for the Linux support!)

 

[AboodXD]

Keep up the good work, I can wait for all the formats to be supported. No more proprietary tools!

(Also, thank you for the Linux support!)

Don't try this, I'll update it first then I'll tell you if you can use.
There's a weird bug...

 

[AboodXD]

@CuriousTommy It's safe now.

Everyone who downloaded this, please download it again!

 

[AboodXD]

Warning if creating a BC3 (DXT5) .gtx file:
The path to GTX Extractor must not have spaces in it!!

 

[AboodXD]

Here's a video of testing the results of GTX Extractor:


What I did was:

1. Extracted the original .gtx file.
2. Edited the generated .png file.
3. Created a new .gtx file using the edited .png file.
4. Tested the new .gtx file in game.

 

[yahoo]

What's changed since v1.1? I can't seem to find the original thread to compare, nor my posts from that thread. Was it deleted?

 

[AboodXD]

What's changed since v1.1? I can't seem to find the original thread to compare, nor my posts from that thread. Was it deleted?

Yes, because this version (v1.4) is completely different. (At least to me)

If you want to compare, here is the old one and here is the new one.

 

[AboodXD]

GTX Extractor in action:

 

[AboodXD]

GTX Extractor v2.0 is finally here!!

Changelog:

• Added a new swizzling method, which adds more supported formats!
• Sacrificed the .gtx file creating function (because a bug occurs when using the new swizzling method), but I promise I try to add it again.

@CuriousTommy I think you'll like this update!

Please note that as of this version, the "creating a .gtx file" feature was removed.

 

[AboodXD]

I'm back with version 2.1!

Changelog:

• The .gtx file creating function is back!
• Did some cleaning up and bug fixing.

I just want to say that naturally this program should support more format than listed above, but those listed above are the tested and working formats.

 

[vitese200]

Is it possible to add support bffnt(font) files?
Here is a script transforms them into gtx for QuikBMS.

https://dl.dropboxusercontent.com/u/27874399/BFFNTtoGTX.bms

 

[AboodXD]

It's possible, and so is BFLIM.
I can add both of them.

 

[AboodXD]

Adding BFLIM support in the next release!

GTX Extractor v3.0
(C) 2014 Treeki, 2015-2016 AboodXD
Converting: wiiMario_Title_logo_00^l.bflim

// ----- GX2Surface Info -----
  width     = 900
  height    = 367
  format    = GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM
  imageSize = 1366016
  swizzle   = 65536, 0x10000
  alignment = 2048

Finished converting: wiiMario_Title_logo_00^l.bflim

Spoiler: We're getting there...

 

[AboodXD]

Spoiler: Hint: Hype overload!!

 

[AboodXD]

The extractor is pretty much complete, I just need to do some ingame tesing.

New Features:

• Extract and create BFLIM files.

 

[AboodXD]

This BFLIM Extractor literally took me 10 minutes to write.

 

[Zarklord]

hi i was wondering if you could add support for this gtx
and yes before you ask it is legit
even though it might seem like it isnt
this came from inside a .pctl file from smash 4 and the game uses them
though for what im not sure...

 

[AboodXD]

I'll see.