wayland: add wl_drm protocol

build.rs

@@ -1,6 +1,12 @@
 // SPDX-License-Identifier: GPL-3.0-only
+extern crate wayland_scanner;
 
-use std::process::Command;
+use wayland_scanner::{Side, generate_code};
+use std::{
+    env,
+    process::Command,
+    path::PathBuf,
+};
 
 fn main() {
     if let Some(output) = Command::new("git")
@@ -11,4 +17,15 @@ fn main() {
         let git_hash = String::from_utf8(output.stdout).unwrap();
         println!("cargo:rustc-env=GIT_HASH={}", git_hash);
     }
+
+
+    let dest = PathBuf::from(&env::var("OUT_DIR").unwrap());
+    // Location of the xml file, relative to the `Cargo.toml`
+    let drm_protocol_file = "resources/wayland-drm.xml";
+    // Target directory for the generate files
+    generate_code(
+        drm_protocol_file,
+        &dest.join("wl_drm.rs"),
+        Side::Server,
+    );
 }