pub fn pack_vertices_from_xy(
device: &Arc<Device>,
queue: &Arc<Queue>,
inputs: &StemGpuInputs,
params: &StemGpuParams,
) -> Result<GpuVertexBuffer, String>pub fn pack_vertices_from_xy(
device: &Arc<Device>,
queue: &Arc<Queue>,
inputs: &StemGpuInputs,
params: &StemGpuParams,
) -> Result<GpuVertexBuffer, String>