Idle time/stat report fixes/optimizations

* Idle time/stat report fixes/optimizations
* Reduces excessive empty/full queue wait times.
* Add new basic options for (decoded) frame pacing/buffering
* alxr-engine submodule ref update.

alvr/openxr-client/alxr-android-client/src/lib.rs

@@ -137,6 +137,8 @@ fn run(app_data: &mut AppData) -> Result<(), Box<dyn std::error::Error>> {
             requestIDR: Some(request_idr),
             disableLinearizeSrgb: APP_CONFIG.no_linearize_srgb,
             noSuggestedBindings: APP_CONFIG.no_bindings,
+            noServerFramerateLock: APP_CONFIG.no_server_framerate_lock,
+            noFrameSkip: APP_CONFIG.no_frameskip,
         };
         let mut sys_properties = ALXRSystemProperties::new();
         if !alxr_init(&ctx, &mut sys_properties) {

alvr/openxr-client/alxr-client/src/main.rs

@@ -55,6 +55,8 @@ fn main() {
                 verbose: APP_CONFIG.verbose,
                 disableLinearizeSrgb: APP_CONFIG.no_linearize_srgb,
                 noSuggestedBindings: APP_CONFIG.no_bindings,
+                noServerFramerateLock: false,
+                noFrameSkip: false,
             };
             let mut sys_properties = ALXRSystemProperties::new();
             if !alxr_init(&ctx, &mut sys_properties) {

alvr/openxr-client/alxr-common/src/lib.rs

@@ -58,10 +58,17 @@ pub struct Options {
     #[structopt(/*short,*/ long)]
     pub no_alvr_server: bool,
 
-    // short and long flags (-d, --debug) will be deduced from the field's name
     /// Disables all OpenXR Suggested bindings for all interaction profiles. This means disabling all inputs.
     #[structopt(/*short,*/ long)]
     pub no_bindings: bool,
+
+    /// Disables locking/typing the client's frame-rate to the server frame-rate
+    #[structopt(/*short,*/ long)]
+    pub no_server_framerate_lock: bool,
+
+    /// Disables skipping frames, disabling may increase idle times.
+    #[structopt(/*short,*/ long)]
+    pub no_frameskip: bool,
     // /// Set speed
     // // we don't want to name it "speed", need to look smart
     // #[structopt(short = "v", long = "velocity", default_value = "42")]
@@ -96,6 +103,8 @@ impl Options {
             no_linearize_srgb: false,
             no_alvr_server: false,
             no_bindings: false,
+            no_server_framerate_lock: false,
+            no_frameskip: false,
         };
 
         let sys_properties = AndroidSystemProperties::new();
@@ -125,7 +134,27 @@ impl Options {
                 .unwrap_or(new_options.no_linearize_srgb);
             println!(
                 "ALXR System Property: {property_name}, input: {value}, parsed-result: {}",
-                new_options.verbose
+                new_options.no_linearize_srgb
+            );
+        }
+
+        let property_name = "debug.alxr.no_server_framerate_lock";
+        if let Some(value) = sys_properties.get(&property_name) {
+            new_options.no_server_framerate_lock = std::str::FromStr::from_str(value.as_str())
+                .unwrap_or(new_options.no_server_framerate_lock);
+            println!(
+                "ALXR System Property: {property_name}, input: {value}, parsed-result: {}",
+                new_options.no_server_framerate_lock
+            );
+        }
+
+        let property_name = "debug.alxr.no_frameskip";
+        if let Some(value) = sys_properties.get(&property_name) {
+            new_options.no_frameskip =
+                std::str::FromStr::from_str(value.as_str()).unwrap_or(new_options.no_frameskip);
+            println!(
+                "ALXR System Property: {property_name}, input: {value}, parsed-result: {}",
+                new_options.no_frameskip
             );
         }
 
@@ -145,6 +174,8 @@ impl Options {
             no_linearize_srgb: false,
             no_alvr_server: false,
             no_bindings: false,
+            no_server_framerate_lock: false,
+            no_frameskip: false,
         };
         new_options
     }

alvr/openxr-client/alxr-engine-sys/android/app/build.gradle

@@ -75,7 +75,7 @@ android {
 dependencies {
     implementation 'androidx.core:core-ktx:1.9.0'
     implementation 'androidx.appcompat:appcompat:1.5.1'
-    implementation 'com.google.android.material:material:1.6.1'
+    implementation 'com.google.android.material:material:1.7.0'
     //implementation 'org.khronos.openxr:openxr_loader_for_android:1.0.20'
     //implementation files('libs/openxr_loader_for_android-1.0.22.aar')
 }