build(xtask): ✨ Add xtask build-server-lib

alvr/server/cbindgen.toml

@@ -0,0 +1,10 @@
+language = "C"
+header = "/* ALVR is licensed under the MIT license. https://github.com/alvr-org/ALVR/blob/master/LICENSE */"
+pragma_once = true
+autogen_warning = "/* Warning, this file is autogenerated by cbindgen. Don't modify this manually. */"
+cpp_compat = true
+tab_width = 4
+documentation_style = "c99"
+
+[enum]
+rename_variants = "QualifiedScreamingSnakeCase"

alvr/server/src/c_api.rs

@@ -1,6 +1,5 @@
 #![allow(dead_code, unused_variables)]
 
-use ash::vk;
 use std::{
     ffi::{c_char, CStr},
     time::Instant,
@@ -239,27 +238,29 @@ pub unsafe extern "C" fn alvr_post_vulkan() {
 pub unsafe extern "C" fn alvr_create_vk_target_swapchain(
     width: u32,
     height: u32,
-    color_format: vk::Format,
-    color_space: vk::ColorSpaceKHR,
-    image_usage: vk::ImageUsageFlags,
-    present_mode: vk::PresentModeKHR,
+    vk_color_format: i32,
+    vk_color_space: i32,
+    vk_image_usage: u32,
+    vk_present_mode: i32,
     image_count: u64,
 ) {
     todo!()
 }
 
+// returns vkResult
 #[no_mangle]
-pub unsafe extern "C" fn alvr_acquire_image(out_swapchain_index: u64) -> vk::Result {
+pub unsafe extern "C" fn alvr_acquire_image(out_swapchain_index: u64) -> i32 {
     todo!()
 }
 
+// returns vkResult
 #[no_mangle]
 pub unsafe extern "C" fn alvr_present(
-    queue: vk::Queue,
+    vk_queue: u64,
     swapchain_index: u64,
     timeline_semaphore_value: u64,
     timestamp_ns: u64,
-) -> vk::Result {
+) -> i32 {
     todo!()
 }
 

alvr/xtask/src/build.rs

@@ -26,6 +26,64 @@ impl Display for Profile {
     }
 }
 
+pub fn build_server_lib(
+    profile: Profile,
+    enable_messagebox: bool,
+    gpl: bool,
+    root: Option<String>,
+    reproducible: bool,
+) {
+    let sh = Shell::new().unwrap();
+
+    let mut flags = vec![];
+    match profile {
+        Profile::Distribution => {
+            flags.push("--profile");
+            flags.push("distribution");
+        }
+        Profile::Release => flags.push("--release"),
+        Profile::Debug => (),
+    }
+    if enable_messagebox {
+        flags.push("--features");
+        flags.push("alvr_common/enable-messagebox");
+    }
+    if gpl {
+        flags.push("--features");
+        flags.push("gpl");
+    }
+    if reproducible {
+        flags.push("--locked");
+    }
+    let flags_ref = &flags;
+
+    let artifacts_dir = afs::target_dir().join(profile.to_string());
+
+    let build_dir = afs::build_dir().join("alvr_server_core");
+    sh.create_dir(&build_dir).unwrap();
+
+    if let Some(root) = root {
+        sh.set_var("ALVR_ROOT_DIR", root);
+    }
+
+    let _push_guard = sh.push_dir(afs::crate_dir("server"));
+    cmd!(sh, "cargo build {flags_ref...}").run().unwrap();
+
+    sh.copy_file(
+        artifacts_dir.join(afs::dynlib_fname("alvr_server")),
+        &build_dir,
+    )
+    .unwrap();
+
+    if cfg!(windows) {
+        sh.copy_file(artifacts_dir.join("alvr_server_core.pdb"), &build_dir)
+            .unwrap();
+    }
+
+    let out = build_dir.join("alvr_server_core.h");
+    cmd!(sh, "cbindgen --output {out}").run().unwrap();
+}
+
 pub fn build_streamer(
     profile: Profile,
     enable_messagebox: bool,
@@ -64,9 +122,8 @@ pub fn build_streamer(
         None
     };
 
-    sh.remove_path(&afs::streamer_build_dir()).unwrap();
-    sh.create_dir(&build_layout.openvr_driver_lib_dir())
-        .unwrap();
+    sh.remove_path(afs::streamer_build_dir()).unwrap();
+    sh.create_dir(build_layout.openvr_driver_lib_dir()).unwrap();
     sh.create_dir(&build_layout.executables_dir).unwrap();
 
     if let Some(config) = maybe_config {
@@ -235,9 +292,6 @@ pub fn build_launcher(profile: Profile, enable_messagebox: bool, reproducible: b
 pub fn build_client_lib(profile: Profile, link_stdcpp: bool) {
     let sh = Shell::new().unwrap();
 
-    let build_dir = afs::build_dir().join("alvr_client_core");
-    sh.create_dir(&build_dir).unwrap();
-
     let strip_flag = matches!(profile, Profile::Debug).then_some("--no-strip");
 
     let mut flags = vec![];
@@ -254,6 +308,9 @@ pub fn build_client_lib(profile: Profile, link_stdcpp: bool) {
     }
     let flags_ref = &flags;
 
+    let build_dir = afs::build_dir().join("alvr_client_core");
+    sh.create_dir(&build_dir).unwrap();
+
     let _push_guard = sh.push_dir(afs::crate_dir("client_core"));
 
     cmd!(

alvr/xtask/src/main.rs

@@ -22,14 +22,15 @@ SUBCOMMANDS:
     prepare-deps        Download and compile streamer and client external dependencies
     build-streamer      Build streamer, then copy binaries to build folder
     build-launcher      Build launcher, then copy binaries to build folder
+    build-server-lib    Build a C-ABI ALVR server library and header
     build-client        Build client, then copy binaries to build folder
-    build-client-lib    Build a C-ABI ALVR client library and header.
+    build-client-lib    Build a C-ABI ALVR client library and header
     run-streamer        Build streamer and then open the dashboard
     run-launcher        Build launcher and then open it
     package-streamer    Build streamer with distribution profile, make archive
     package-launcher    Build launcher in release mode, make portable and installer versions
     package-client-lib  Build client library then zip it
-    clean               Removes all build artifacts and dependencies.
+    clean               Removes all build artifacts and dependencies
     bump                Bump streamer and client package versions
     clippy              Show warnings for selected clippy lints
     kill-oculus         Kill all Oculus processes
@@ -190,6 +191,7 @@ fn main() {
                     build::build_streamer(profile, true, gpl, None, false, keep_config)
                 }
                 "build-launcher" => build::build_launcher(profile, true, false),
+                "build-server-lib" => build::build_server_lib(profile, true, gpl, None, false),
                 "build-client" => build::build_android_client(profile),
                 "build-client-lib" => build::build_client_lib(profile, link_stdcpp),
                 "run-streamer" => {