> AFAIK lossless compression of textures is not an automatic thing for GPUs, however framebuffers - the things you render to - are losslessly compressed to redu

> AFAIK lossless compression of textures is not an automatic thing for GPUs, however framebuffers - the things you render to - are losslessly compressed to reduce bandwidth usage for rendering and scan-out. Textures can be auto losslessly compressed too, but note it's only useful for textures the CPU/GPU is writing to; you should use ASTC or whatever usual format most of the time. eg it's briefly discussed here https://developer.apple.com/documentation/metal/textures/optimizing_texture_data https://developer.apple.com/documentation/metal/textures/opt...