PVR Image

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PVR

• Format Type : Image
  
• Endian Order : Little Endian
  
• Signature : GBIX / PVRT / PVR
  

Format Specifications

// PVR file format
// Sega Variant

// GBIX chunk (optional)
4 bytes (char) - chunk signature // "GBIX"
4 bytes (uint32) - chunk size
x bytes - global indices


// PVRT chunk
4 bytes (char) - chunk signature // "PVRT"
4 bytes (uint32) - chunk size
1 byte (uint8) - pixel format  // 0x00 = ARGB1555
                               // 0x01 = RGB565
                               // 0x02 = ARGB4444
                               // 0x03 = YUV442
                               // 0x04 = Bump
                               // 0x05 = 4-BIT (twiddled)
                               // 0x06 = 8-BIT (twiddled)

1 byte (uint8) - data format  // 0x01 = SQUARE TWIDDLED
                              // 0x02 = SQUARE TWIDDLED & MIPMAP
                              // 0x03 = VQ
                              // 0x04 = VQ & MIPMAP
                              // 0X05 = 8-BIT CLUT TWIDDLED
                              // 0X06 = 4-BIT CLUT TWIDDLED
                              // 0x07 = 8-BIT DIRECT TWIDDLED
                              // 0X08 = 4-BIT DIRECT TWIDDLED
                              // 0x09 = RECTANGLE
                              // 0x0B = RECTANGULAR STRIDE
                              // 0x0D = RECTANGULAR TWIDDLED
                              // 0x10 = SMALL VQ
                              // 0x11 = SMALL VQ & MIPMAP
                              // 0x12 = SQUARE TWIDDLED & MIPMAP

2 bytes (uint16) - reserved
2 bytes (uint16) - image width
2 bytes (uint16) - image height
x bytes - palette (optional, only for VQ formats)
x bytes - image data

Notes and Comments

• It's a PowerVR Image format. Standard variant starts with "PVR" signature.
• Sega variant ("PVRT signature) is a custom PowerVR image format designed originally for the Sega Dreamcast, but it's also used in some PC, Arcade and Xbox Classic games.

Games

List of games using this file format:

• Kodai Ouja Kyouryuu King - Mezame yo! Arata Naru Chikara / Dinosaur King (Arcade)
• Love and Berry: Dress Up and Dance! (NDS) (*.PVR / *.FC) ("PVRT" signature)
• Shenmue
• Shenmue II
• Sonic Adventure DX

QuickBMS Script

Not written yet.

Compatible Programs

• Adobe Photoshop + PVR plugin (pvrtex.8bi)
• GIMP + gimp-pvr-plugin
• PVRViewer
• PVRTexTool (only standard files, "PVR" signature)
• pvrx2png
• pvr2bmp
• Puyo Tools (Texture > Viewer)
• Susie + PVR plugin
• Texture Packer

See Also

• PVR file format (wulinshu.com)
• PVR file format (fabiensanglard.net)
• PVR file format (Puyo Tools Github)
• PVR file format (Ninja-Lib)

Gallery

• 

  PVRViewer

• 

  Puyo Tools (Texture Viewer)