add some fancy args

Cargo.lock

@@ -61,6 +61,54 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d96bd03f33fe50a863e394ee9718a706f988b9079b20c3784fb726e7678b62fb"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.80"
@@ -658,6 +706,46 @@ dependencies = [
  "libloading 0.8.1",
 ]
 
+[[package]]
+name = "clap"
+version = "4.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c918d541ef2913577a0f9566e9ce27cb35b6df072075769e0b26cb5a554520da"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f3e7391dad68afb0c2ede1bf619f579a3dc9c2ec67f089baa397123a2f3d1eb"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "307bc0538d5f0f83b8248db3087aa92fe504e4691294d0c96c0eabc33f47ba47"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.51",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
+
 [[package]]
 name = "cmake"
 version = "0.1.50"
@@ -677,6 +765,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "combine"
 version = "4.6.6"
@@ -2784,6 +2878,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strsim"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
+
 [[package]]
 name = "strum"
 version = "0.25.0"
@@ -3070,6 +3170,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "vec_map"
 version = "0.8.2"
@@ -3616,12 +3722,13 @@ dependencies = [
 
 [[package]]
 name = "wlx-overlay-s"
-version = "0.2.1"
+version = "0.2.2"
 dependencies = [
  "anyhow",
  "ash",
  "chrono",
  "chrono-tz",
+ "clap",
  "cstr",
  "ctrlc",
  "dbus",

Cargo.toml

@@ -14,6 +14,7 @@ anyhow = "1.0.79"
 ash = "^0.37.2"
 chrono = "0.4.29"
 chrono-tz = "0.8.5"
+clap = { version = "4.5.1", features = ["derive"] }
 cstr = "0.2.11"
 ctrlc = { version = "3.4.2", features = ["termination"] }
 dbus = { version = "0.9.7" }

src/main.rs

@@ -9,23 +9,47 @@ mod overlays;
 mod shaders;
 mod state;
 
-use std::{
+use std::sync::{
-    io::{stdout, IsTerminal},
+    atomic::{AtomicBool, Ordering},
-    sync::{
+    Arc,
-        atomic::{AtomicBool, Ordering},
-        Arc,
-    },
 };
 
+use clap::Parser;
 use flexi_logger::FileSpec;
 
+/// The lightweight desktop overlay for OpenVR and OpenXR
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    #[cfg(feature = "openvr")]
+    /// Start overlay with OpenVR backend
+    #[arg(long)]
+    openvr: bool,
+
+    #[cfg(feature = "openxr")]
+    /// Start overlay with OpenXR backend
+    #[arg(long)]
+    openxr: bool,
+
+    /// Uninstall OpenVR manifest and exit
+    #[arg(long)]
+    uninstall: bool,
+
+    /// Folder path to write logs to
+    #[arg(short, long)]
+    log_to: Option<String>,
+}
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    if stdout().is_terminal() {
+    let args = Args::parse();
-        flexi_logger::Logger::try_with_env_or_str("info")?.start()?;
+    if let Some(log_to) = args.log_to {
-    } else {
         flexi_logger::Logger::try_with_env_or_str("info")?
-            .log_to_file(FileSpec::default().directory("/tmp"))
+            .log_to_file(FileSpec::default().directory(&log_to))
+            .log_to_stdout()
             .start()?;
+        println!("Logging to: {}", &log_to);
+    } else {
+        flexi_logger::Logger::try_with_env_or_str("info")?.start()?;
     }
 
     log::info!(
@@ -35,7 +59,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     );
 
     #[cfg(feature = "openvr")]
-    if std::env::args().any(|arg| arg == "--uninstall") {
+    if args.uninstall {
         crate::backend::openvr::openvr_uninstall();
         return Ok(());
     }
@@ -48,16 +72,16 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         }
     });
 
-    auto_run(running);
+    auto_run(running, args.openvr, args.openxr);
 
     Ok(())
 }
 
-fn auto_run(running: Arc<AtomicBool>) {
+fn auto_run(running: Arc<AtomicBool>, openvr: bool, openxr: bool) {
     use backend::common::BackendError;
 
     #[cfg(feature = "openxr")]
-    {
+    if !openvr {
         use crate::backend::openxr::openxr_run;
         match openxr_run(running.clone()) {
             Ok(()) => return,
@@ -70,7 +94,7 @@ fn auto_run(running: Arc<AtomicBool>) {
     }
 
     #[cfg(feature = "openvr")]
-    {
+    if !openxr {
         use crate::backend::openvr::openvr_run;
         match openvr_run(running.clone()) {
             Ok(()) => return,
@@ -82,5 +106,5 @@ fn auto_run(running: Arc<AtomicBool>) {
         };
     }
 
-    log::error!("No supported backends found");
+    log::error!("No more backends to try");
 }

src/overlays/screen.rs

@@ -44,7 +44,7 @@ use crate::{
         overlay::{OverlayData, OverlayRenderer, OverlayState, SplitOverlayBackend},
     },
     config::def_pw_tokens,
-    graphics::{fourcc_to_vk, WlxCommandBuffer, WlxPipeline, WlxPipelineLegacy, BLEND_ALPHA},
+    graphics::{fourcc_to_vk, WlxCommandBuffer, WlxPipeline, WlxPipelineLegacy},
     hid::{MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT},
     state::{AppSession, AppState},
 };