KTX2Loader: Support ETC2, BCn, and ASTC 4x4 sRGB #31155
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Updates KTX2Loader to support more GPU compression formats, and replaces the existing KTX2 example.
The new example should be better at explaining and testing the available KTX2 compression types. I've updated all previous
.ktx2sample files. The new textures are much smaller, each only 1-8kb, see https://github.com/donmccurdy/KTX2-Samples. Samples cover common formats, with "srgb" and "srgb-linear" color spaces. If the general approach looks OK, future PRs can extend the example to include array textures, cube textures, 3D textures, and perhaps other color spaces.Preview