They could offer an equivalent to Nvidia's PTX ISA for compute, and possibly documentation like Intel and AMD offer for their GPUs. Offcourse, the first thing t

They could offer an equivalent to Nvidia's PTX ISA for compute, and possibly documentation like Intel and AMD offer for their GPUs. Offcourse, the first thing the latter would do is undermine Metal, so I don't think that's likely. Nvidia PTX-level openness for GPU-compute would be nice though.