KTX Image

KTX

• Format Type : Image
  
• Endian Order : Little Endian or Big Endian
  

Format Specifications (KTX v1.1)

// KTX 1.1 texture 
// Khronos Texture file format


// header (64 bytes)
12 bytes - magic  // "AB 4B 54 58 20 31 31 BB 0D 0A 1A 0A"  (KTX 11)
4 bytes (uint32) - endianess  // "01 02 03 04" - little endian
                              // "04 03 02 01" - big endian
4 bytes (uint32) - gl type  // can be "0"
4 bytes (uint32) - type size  // "1"
4 bytes (uint32) - gl format  // "0"
4 bytes (uint32) - gl internal format
4 bytes (uint32) - gl base internal format
4 bytes (uint32) - pixel width
4 bytes (uint32) - pixel height
4 bytes (uint32) - pixel depth
4 bytes (uint32) - number of array elements
4 bytes (uint32) - number of faces
4 bytes (uint32) - number of mipmap levels
4 bytes (uint32) - size of key value data


// key and value data
num_of_key_value_entries *
{
   4 bytes (uint32) - size of key value entry
   x bytes - key value entry  // e.g. "KTXorientation.S=r,T=d,R=i"
   x bytes - padding
}


num_of_mipmap_levels *
{
   4 bytes (uint32) - image data size
   x bytes - image data
}

x bytes - padding

Full file format description can be found in official documentation here.

MultiEx BMS Script

Not written yet.

Notes and Comments

• This is KTX image file format.

Compatible Programs

• crunch