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47 lines
1.8 KiB
Markdown
47 lines
1.8 KiB
Markdown
# XWayland
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XWayland is the bridging mechanism between legacy Xorg programs and Wayland
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compositors.
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## HiDPI XWayland
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Currently XWayland on HiDPI screens looks pixelated/blurry, due to Xorg's
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inability to scale.
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There are attempts to add a standard scaling mechanism, such as [MR 733](https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/733).
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You can use this MR's wlroots implementation in Hyprland by making a few changes.
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{{< hint >}}
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The following instructions assume you know how to patch programs, either
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manually or using your favourite package manager.
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See instructions for [manual patching](https://www.howtogeek.com/415442/how-to-apply-a-patch-to-a-file-and-create-patches-in-linux/)
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and [Pacman patching](https://wiki.archlinux.org/title/Patching_packages).
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{{< /hint >}}
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1. Have the latest `xwayland` package patched with at least
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[the HiDPI patch](https://github.com/hyprwm/Hyprland/blob/main/nix/xwayland-hidpi.patch)
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(based on the MR's implementation, but updated).
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2. Make sure you have the required Hyprland `wlroots`, patched with
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[the HiDPI xwayland patch](https://gitlab.freedesktop.org/lilydjwg/wlroots/-/commit/6c5ffcd1fee9e44780a6a8792f74ecfbe24a1ca7)
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and [this commit](https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/18595000f3a21502fd60bf213122859cc348f9af)
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**reverted**. This is important, as not reverting it will make opening XWayland
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programs crash Hyprland.
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3. Add this line to your configuration:
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```ini
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exec-once=xprop -root -f _XWAYLAND_GLOBAL_OUTPUT_SCALE 32c -set _XWAYLAND_GLOBAL_OUTPUT_SCALE 2
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```
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and configure toolkits to scale using their specific mechanisms, such as
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```sh
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export GDK_SCALE=2
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export XCURSOR_SIZE=32
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```
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{{< hint >}}
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The GDK_SCALE variable won't conflict with wayland-native GTK programs.
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{{< /hint >}}
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