Re: Partial frame synchronization TODO

[jcupitt gmail com]

This all sounds fantastic, but I have a stupid question:

On Thursday, October 4, 2012, Owen Taylor  wrote:
> * When there is a frame where no painting ends up being done, we still
>   at the moment are sending increments to the frame serial and waiting
>   for_NET_WM_FRAME_DONE. It may be worth tracking when we are about to
>   damage a toplevel window (by drawing or configuring it) and only at
>   that point start a frame. Then we'll avoid asking the compositor to
>   tell us when it's done painting a frame that involves no painting.

 

Does this mean we have a busy idle? Does this have implications for laptop battery life? 

John