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New GNOME Mutter Code Prepares Fractional Scaling For XWayland
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this post was submitted on 16 Feb 2024
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This is the best summary I could come up with:
A merge request was opened this week for plumbing fractional scaling support for XWayland clients running on the GNOME Mutter compositor.
Jonas Dreßler opened a merge request with a patch from Jonas Ådah that has been working on the functionality for allowing scaling-aware XWayland clients to scale themselves using the scale-monitor-framebuffers functionality.
The patch explains: "When monitor framebuffers are scaled, this special cases Xwayland and sends output regions in a way that Xwayland think everything is N times as large as the logical region, where N is the ceil of the max monitor scale.
Dreßler noted in the merge request that the coordinate space conversion has been working out well.
Being past the feature freeze for GNOME 46, short of it being unexpectedly allowed as a late addition, it won't be wrapped up until GNOME 47 in September.
Similarly, also missing the feature freeze is the GNOME Variable Refresh Rate (VRR) functionality.
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