option to build with only wayland or x11 support

Cargo.toml

@@ -52,5 +52,7 @@ xdg = "2.5.2"
 openvr = ["dep:ovr_overlay", "dep:json"]
 openxr = ["dep:openxr"]
 osc = ["dep:rosc"]
-default = ["openvr", "openxr", "osc"]
+x11 = ["wlx-capture/xshm"]
+wayland = ["wlx-capture/pipewire", "wlx-capture/wlr"]
+default = ["openvr", "openxr", "osc", "x11", "wayland"]
 

src/backend/common.rs

@@ -10,7 +10,6 @@ use idmap::IdMap;
 use crate::{
     overlays::{
         keyboard::create_keyboard,
-        screen::{get_screens_wayland, get_screens_x11},
         toast::Toast,
         watch::{create_watch, WATCH_NAME, WATCH_SCALE},
     },
@@ -41,9 +40,9 @@ where
     pub fn new(app: &mut AppState) -> Self {
         let mut overlays = IdMap::new();
         let (screens, extent) = if std::env::var("WAYLAND_DISPLAY").is_ok() {
-            get_screens_wayland(&app.session)
+            crate::overlays::screen::get_screens_wayland(&app.session)
         } else {
-            get_screens_x11(&app.session)
+            crate::overlays::screen::get_screens_x11(&app.session)
         };
 
         let mut watch = create_watch::<T>(&app, &screens);

src/overlays/screen.rs

@@ -229,6 +229,7 @@ pub struct ScreenRenderer {
 }
 
 impl ScreenRenderer {
+    #[cfg(feature = "wayland")]
     pub fn new_wlr(output: &WlxOutput) -> Option<ScreenRenderer> {
         let client = WlxClient::new()?;
         let capture = WlrDmabufCapture::new(client, output.id);
@@ -243,6 +244,7 @@ impl ScreenRenderer {
         })
     }
 
+    #[cfg(feature = "wayland")]
     pub fn new_pw(
         output: &WlxOutput,
         token: Option<&str>,
@@ -269,6 +271,7 @@ impl ScreenRenderer {
         ))
     }
 
+    #[cfg(feature = "x11")]
     pub fn new_xshm(screen: Arc<XshmScreen>) -> Option<ScreenRenderer> {
         let capture = XshmCapture::new(screen.clone());
 
@@ -441,6 +444,7 @@ impl OverlayRenderer for ScreenRenderer {
     }
 }
 
+#[cfg(feature = "wayland")]
 fn try_create_screen<O>(
     wl: &WlxClient,
     id: u32,
@@ -608,6 +612,15 @@ pub fn load_pw_token_config() -> Result<HashMap<String, String>, Box<dyn Error>>
     Ok(map)
 }
 
+#[cfg(not(feature = "wayland"))]
+pub fn get_screens_wayland<O>(_session: &AppSession) -> (Vec<OverlayData<O>>, Vec2)
+where
+    O: Default,
+{
+    panic!("Wayland support not enabled")
+}
+
+#[cfg(feature = "wayland")]
 pub fn get_screens_wayland<O>(session: &AppSession) -> (Vec<OverlayData<O>>, Vec2)
 where
     O: Default,
@@ -641,6 +654,15 @@ where
     (overlays, Vec2::new(extent.0 as f32, extent.1 as f32))
 }
 
+#[cfg(not(feature = "x11"))]
+pub fn get_screens_x11<O>(session: &AppSession) -> (Vec<OverlayData<O>>, Vec2)
+where
+    O: Default,
+{
+    panic!("X11 support not enabled")
+}
+
+#[cfg(feature = "x11")]
 pub fn get_screens_x11<O>(session: &AppSession) -> (Vec<OverlayData<O>>, Vec2)
 where
     O: Default,