Result of createWebGPURenderer. Either a successful WebGPU
renderer + capabilities pair OR a signal that the caller should fall
back to createWebGLRenderer: the adapter was below the spec minimum,
or a native adapter was required and none was available.
Result of
createWebGPURenderer. Either a successful WebGPU renderer + capabilities pair OR a signal that the caller should fall back tocreateWebGLRenderer: the adapter was below the spec minimum, or a native adapter was required and none was available.