Andrew Willmott f1666e2bf2 Add ATC & ASTC support ...

- Add ATC formats for Android etc.
- Add enums for "useful" ASTC formats, using https://developer.nvidia.com/astc-texture-compression-for-game-assets as a guide

- Support decoding ATC/ATCE/ATCI
- Generalise block code to handle non-power-of-two
- Add DDS support for ETC/old (non-DX10) PTC/ATC/ASTC
- Add KTX support for ATC/ASTC

2018-06-09 22:29:00 +01:00

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Add ATC & ASTC support

2018-06-09 22:29:00 +01:00