>This all happens in a different thread or even different process than the one that’s running your JavaScript. That’s great for performance, Is it tho? What is

>This all happens in a different thread or even different process than the one that’s running your JavaScript. That’s great for performance, Is it tho? What is the overhead of passing data across the boundary? What is the limit of the number of draw calls you can make, and how does it compare to a native vulkan or metal rendering loop? I think what OP meant to write is: "this is necessary to avoid blocking the main UI thread because JS is single threaded, while process isolation is needed because GPU APIs are insecure and buggy".