[PATCH 0/2] Support for high DPI outputs via scaling

[Bill Spitzak]

Alexander Larsson wrote:

>> In this case our proposals differs. The compositor knows it's not
>> resizing the window so it simply passes 2000x2000 along to the
>> configure arguments.
> 
> How can the compositor know its not resizing the window? Only the app
> knows if it can render at a different scaling factor, as it is the app
> that allocates and draws to the buffer.

Huh? OBVIOUSLY the compositor knows it is not resizing the window. 
Otherwise it *would* resize it and the display would have the window at 
the wrong size!