altos/draw: Add damage tracking
authorKeith Packard <keithp@keithp.com>
Mon, 27 Feb 2023 22:35:36 +0000 (14:35 -0800)
committerKeith Packard <keithp@keithp.com>
Mon, 27 Feb 2023 22:39:39 +0000 (14:39 -0800)
This will allow more efficient updating of the screen

Signed-off-by: Keith Packard <keithp@keithp.com>

No differences found