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XWayland: remove HiDPI patches support

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Mihai Fufezan 2023-08-02 00:02:05 +03:00
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59
pages/Configuring/XWayland.md
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@ -1,48 +1,33 @@
XWayland is the bridging mechanism between legacy Xorg programs and Wayland
compositors.
# HiDPI XWayland
## HiDPI XWayland
XWayland currently looks pixelated/blurry on HiDPI screens, due to Xorg's
inability to scale.
There are attempts to add a standard scaling mechanism, such as
[MR 733](https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/733).
XWayland currently looks pixelated on HiDPI screens, due to Xorg's inability to
scale.
You can use this MR's wlroots implementation in Hyprland by making a few changes.
This problem is mitigated by the [`xwayland:force_zero_scaling`](../../Configuring/Variables/#xwayland)
option, which forces XWayland windows not to be scaled.
{{< hint >}}
The following instructions assume you know how to patch programs, either
manually or using your favourite package manager.
This will get rid of the pixelated look, but will not scale applications
properly. To do this, each toolkit has its own mechanism.
See instructions for [manual patching](https://www.howtogeek.com/415442/how-to-apply-a-patch-to-a-file-and-create-patches-in-linux/)
and [Pacman patching](https://wiki.archlinux.org/title/Patching_packages).
{{< /hint >}}
```ini
# change monitor to high resolution, the last argument is the scale factor
monitor=,highres,auto,2
1. Have the latest `xwayland` package patched with at least
[the HiDPI patch](https://github.com/hyprwm/Hyprland/blob/main/nix/patches/xwayland-hidpi.patch)
(based on the MR's implementation, but updated).
# unscale XWayland
xwayland {
force_zero_scaling = true
}
2. Make sure you have the required Hyprland `wlroots`, patched with
[the HiDPI xwayland patch](https://github.com/hyprwm/Hyprland/blob/main/nix/patches/wlroots-hidpi.patch)
and [this commit](https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/18595000f3a21502fd60bf213122859cc348f9af)
**reverted**. This is important, as not reverting it will make opening
XWayland programs crash Hyprland.
# toolkit-specific scale
env = GDK_SCALE,2
env = XCURSOR_SIZE,32
```
3. Add these lines to your configuration:
The GDK_SCALE variable won't conflict with Wayland-native GTK programs.
```ini
# change monitor to hires, the last argument is the scale factor
monitor=,highres,auto,2
# sets xwayland scale
exec-once=xprop -root -f _XWAYLAND_GLOBAL_OUTPUT_SCALE 32c -set _XWAYLAND_GLOBAL_OUTPUT_SCALE 2
# toolkit-specific scale
env = GDK_SCALE,2
env = XCURSOR_SIZE,32
```
{{< hint >}}
The GDK_SCALE variable won't conflict with wayland-native GTK programs.
{{< /hint >}}
{{< hint type="important" >}}
XWayland HiDPI patches are no longer supported. Do not use them.
{{</ hint >}}

29
pages/Nix/Options & Overrides.md
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@ -11,7 +11,6 @@ can be changed by setting the appropriate option to `true`/`false`.
```nix
(pkgs.hyprland.override { # or inputs.hyprland.packages.${pkgs.system}.hyprland
enableXWayland = true;
hidpiXWayland = false;
nvidiaPatches = false;
})
```
@ -23,7 +22,6 @@ programs.hyprland = { # or wayland.windowManager.hyprland
enable = true;
xwayland = {
enable = true;
hidpi = false;
};
nvidiaPatches = false;
};
@ -38,32 +36,7 @@ in the package itself, or through the module options.
### XWayland HiDPI
The `hyprland-hidpi` Nix package includes a patched wlroots that can render
HiDPI XWayland windows.
In order to enable HiDPI when using the NixOS or Home Manager modules, you can
set `programs.hyprland.xwayland.hidpi = true`, or
`wayland.windowManager.hyprland.xwayland.hidpi = true`, respectively.
Now that the required package to achieve HiDPI is installed, an XWayland
instruction is needed to set the scale:
```toml
exec-once = xprop -root -f _XWAYLAND_GLOBAL_OUTPUT_SCALE 32c -set _XWAYLAND_GLOBAL_OUTPUT_SCALE 2
```
This will make XWayland programs look as if they were unscaled. To fix this, you
have to set different environment variables to make the specific toolkits
render at the proper scaling. For example, add this to your `hyprland.conf`:
```ini
env = GDK_SCALE,2
env = XCURSOR_SIZE,48
```
{{< hint >}}
The `GDK_SCALE` environment variable won't conflict with Wayland-native GTK programs.
{{< /hint >}}
See [XWayland](../../Configuring/XWayland).
### Nvidia Patches