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| author | Manuel Stoeckl <code@mstoeckl.com> | 2021-09-26 13:16:03 -0400 |
|---|---|---|
| committer | Simon Ser <contact@emersion.fr> | 2021-10-01 09:15:35 +0200 |
| commit | 5e2df3a600e07b71923c28a8cd51861289319c91 (patch) | |
| tree | 166c000708fab436e46337cbbb7288a29206085c /cairo.c | |
| parent | 96cf26d605d491d0cbb9e931c0bf8dcd28258e52 (diff) | |
| download | swaybg-5e2df3a600e07b71923c28a8cd51861289319c91.tar.gz swaybg-5e2df3a600e07b71923c28a8cd51861289319c91.tar.bz2 | |
Only render a new frame when the buffer size changes
The contents of the buffer associated to an output depend only
on the output config (which does not change at runtime), and the
buffer dimensions.
When the compositor changes the output scale, it often sends a
configure event which exactly compensates for the scale change,
so that the size of the buffer needed for the surface remains
the same. Thus no new frame needs to be rendered.
Diffstat (limited to '')
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