Add alpha-modifier-v1 protocol

Cargo.lock

@@ -4581,7 +4581,7 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 [[package]]
 name = "smithay"
 version = "0.3.0"
-source = "git+https://github.com/smithay//smithay?rev=96af9cb#96af9cb50f686e8c39a6638de3d4ef6b07a239ae"
+source = "git+https://github.com/smithay//smithay?rev=24e36e9#24e36e97a1844d575a1586d3cddcc94d96c2044d"
 dependencies = [
  "appendlist",
  "ash",

Cargo.toml

@@ -118,4 +118,4 @@ inherits = "release"
 lto = "fat"
 
 [patch."https://github.com/Smithay/smithay.git"]
-smithay = {git = "https://github.com/smithay//smithay", rev = "96af9cb"}
+smithay = {git = "https://github.com/smithay//smithay", rev = "24e36e9"}

src/state.rs

@@ -63,6 +63,7 @@ use smithay::{
     },
     utils::{Clock, IsAlive, Monotonic},
     wayland::{
+        alpha_modifier::AlphaModifierState,
         compositor::{CompositorClientState, CompositorState},
         dmabuf::{DmabufFeedback, DmabufGlobal, DmabufState},
         fractional_scale::{with_fractional_scale, FractionalScaleManagerState},
@@ -437,6 +438,7 @@ impl State {
         InputMethodManagerState::new::<Self, _>(&dh, client_is_privileged);
         TextInputManagerState::new::<Self>(&dh);
         VirtualKeyboardManagerState::new::<State, _>(&dh, client_is_privileged);
+        AlphaModifierState::new::<Self>(&dh);
 
         let idle_notifier_state = IdleNotifierState::<Self>::new(&dh, handle.clone());
         let idle_inhibit_manager_state = IdleInhibitManagerState::new::<State>(&dh);

src/wayland/handlers/alpha_modifier.rs

@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+use crate::state::State;
+use smithay::delegate_alpha_modifier;
+
+delegate_alpha_modifier!(State);

src/wayland/handlers/mod.rs

@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
+pub mod alpha_modifier;
 pub mod buffer;
 pub mod compositor;
 pub mod data_control;