GXT
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Gxt is a container for storing one or multiple graphic textures for the PSVita and PSP.
File format
The GXT (.gxt) format consists of:
Header (for single texture):
| Offset (h) | Size (h) | Example (h) | Value (conversion) | Notes |
| GXT header | ||||
| 0x00 | 0x04 | 47 58 54 00 | "GXT " | Magic |
| 0x04 | 0x04 | 03 00 00 10 | Version | |
| 0x08 | 0x04 | 01 00 00 00 | 1 | Number of textures embedded |
| 0x0C | 0x04 | 40 00 00 00 | 40 | Offset of the texture data |
| 0x10 | 0x04 | 00 00 00 80 | Number of 16 entry palettes | |
| 0x14 | 0x04 | 00 00 00 00 | Number of 256 entry palettes | |
| 0x18 | 0x08 | 00 ... 00 | 00 | Padding |
| GXT specification | ||||
| 0x20 | 0x04 | 40 00 00 00 | 40 | Offset to the texture data relative to the start of the file |