fn picking_gpu(
render_ctx: &RenderContext,
gpu_readback_identifier: u64,
pointer_in_pixel: Vec2,
last_gpu_picking_result: &mut Option<InstancePathHash>,
) -> Option<InstancePathHash>
fn picking_gpu(
render_ctx: &RenderContext,
gpu_readback_identifier: u64,
pointer_in_pixel: Vec2,
last_gpu_picking_result: &mut Option<InstancePathHash>,
) -> Option<InstancePathHash>