We don't have both in place to compare, so anything is speculative. If Vulkan actually materialized as something stable, it would probably be the popular option due to being cross-platform. You mean Khronos? Apple is actually part of that group. They're listed as one of the contributors, but I don't know whether that is just marketing of their affiliation with Khronos or they are actually on board with it. It may have been under development before this where the reaction...
6/9/15 at 4:15pm