This avoids using Nvidia's ASTC decoder on OpenGL. The last time it was profiled, it was slower than yuzu's decoder. While we are at it, fix a bug in the texture cache when native ASTC is not supported.
This avoids using Nvidia's ASTC decoder on OpenGL. The last time it was profiled, it was slower than yuzu's decoder. While we are at it, fix a bug in the texture cache when native ASTC is not supported.