Canonical Starts Work On Mir Multi-Monitor Handling
One of the feature limitations of using the Mir Display Server up to this point has been when using multiple monitors (or say a laptop connected to a projector) the only display configuration possibility is using a cloned mode whereby the screens are the same. Canonical's Mir developers have begun working on improved multi-monitor handling.
With revision 892 made to Mir on Tuesday, this very big commit ends up adding support for non-cloned display configurations. Introduced with this commit is no longer being limited to having cloned displays but now there's a side-by-side display configuration whereby the displays are offset on the screen based upon resolution. This support works when using GBM with outputs exposed via a kernel mode-setting driver.
The branch where the code was pulled from notes:
This MP adds support for arbitrary display configurations (see the SideBySide configuration policy in one of tests for a non-cloned configuration). Next step is to make the hardware cursor behave properly with multiple monitors.
Also committed on Tuesday with another revision a new --nested-mode option for running a Mir Display Server in a nested configuration atop an already present Mir process.
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