Remove use of time

.github/workflows/rust.yml

@@ -28,7 +28,7 @@ jobs:
         cd webxr
         cargo build --features=glwindow,headless
         cargo build --features=ipc,glwindow,headless
-        cargo build --features=glwindow,headless,profile
+        cargo build --features=glwindow,headless
   mac:
     runs-on: macos-latest
     steps:
@@ -39,7 +39,7 @@ jobs:
         cd webxr
         cargo build --features=glwindow,headless
         cargo build --features=ipc,glwindow,headless
-        cargo build --features=glwindow,headless,profile
+        cargo build --features=glwindow,headless
   win:
     runs-on: windows-latest
     steps:
@@ -50,7 +50,7 @@ jobs:
         cd webxr
         cargo build --features=glwindow,headless
         cargo build --features=ipc,glwindow,headless
-        cargo build --features=glwindow,headless,profile
+        cargo build --features=glwindow,headless
         rustup target add aarch64-pc-windows-msvc
         cargo build --target=aarch64-pc-windows-msvc --features ipc,openxr-api
   build_result:

webxr-api/Cargo.toml

@@ -19,7 +19,6 @@ path = "lib.rs"
 
 [features]
 ipc = ["serde", "ipc-channel", "euclid/serde"]
-profile = ["time"]
 
 [dependencies]
 euclid = "0.22"

webxr-api/frame.rs

@@ -31,12 +31,6 @@ pub struct Frame {
     /// The subimages to render to
     pub sub_images: Vec<SubImages>,
 
-    /// Value of time::precise_time_ns() when frame was obtained
-    pub time_ns: u64,
-
-    /// The time the frame was sent (only set with the profile feature)
-    pub sent_time: u64,
-
     /// The hit test results for this frame, if any
     pub hit_test_results: Vec<HitTestResult>,
 }

webxr-api/session.rs

@@ -95,11 +95,6 @@ impl SessionInit {
     }
 }
 
-#[cfg(feature = "profile")]
-fn to_ms(ns: u64) -> f64 {
-    ns as f64 / 1_000_000.
-}
-
 /// https://immersive-web.github.io/webxr-ar-module/#xrenvironmentblendmode-enum
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
 #[cfg_attr(feature = "ipc", derive(Serialize, Deserialize))]
@@ -119,7 +114,7 @@ enum SessionMsg {
     SetEventDest(Sender<Event>),
     UpdateClipPlanes(/* near */ f32, /* far */ f32),
     StartRenderLoop,
-    RenderAnimationFrame(/* request time */ u64),
+    RenderAnimationFrame,
     RequestHitTest(HitTestSource),
     CancelHitTest(HitTestId),
     Quit,
@@ -221,13 +216,7 @@ impl Session {
     }
 
     pub fn render_animation_frame(&mut self) {
-        #[allow(unused)]
-        let mut time = 0;
-        #[cfg(feature = "profile")]
-        {
-            time = time::precise_time_ns();
-        }
-        let _ = self.sender.send(SessionMsg::RenderAnimationFrame(time));
+        let _ = self.sender.send(SessionMsg::RenderAnimationFrame);
     }
 
     pub fn end_session(&mut self) {
@@ -376,35 +365,16 @@ where
                 let _ = self.frame_sender.send(frame);
             }
             SessionMsg::UpdateClipPlanes(near, far) => self.device.update_clip_planes(near, far),
-            SessionMsg::RenderAnimationFrame(_sent_time) => {
+            SessionMsg::RenderAnimationFrame => {
                 self.frame_count += 1;
-                #[cfg(feature = "profile")]
-                let render_start = time::precise_time_ns();
-                #[cfg(feature = "profile")]
-                println!(
-                    "WEBXR PROFILING [raf transmitted]:\t{}ms",
-                    to_ms(render_start - _sent_time)
-                );
-
-                #[cfg(feature = "profile")]
-                let end_frame = time::precise_time_ns();
+
                 self.device.end_animation_frame(&self.layers[..]);
 
                 if self.render_state == RenderState::PendingQuit {
                     self.quit();
                     return false;
                 }
 
-                #[cfg(feature = "profile")]
-                let ended_frame = time::precise_time_ns();
-                #[cfg(feature = "profile")]
-                println!(
-                    "WEBXR PROFILING [raf end frame]:\t{}ms",
-                    to_ms(ended_frame - end_frame)
-                );
-
-                #[cfg(feature = "profile")]
-                let begin_frame = time::precise_time_ns();
                 if let Some(layers) = self.pending_layers.take() {
                     self.layers = layers;
                 }
@@ -416,16 +386,6 @@ where
                         return false;
                     }
                 };
-                #[cfg(feature = "profile")]
-                let begun_frame = time::precise_time_ns();
-                #[cfg(feature = "profile")]
-                {
-                    println!(
-                        "WEBXR PROFILING [raf begin frame]:\t{}ms",
-                        to_ms(begun_frame - begin_frame)
-                    );
-                    frame.sent_time = begun_frame;
-                }
 
                 let _ = self.frame_sender.send(frame);
             }
@@ -459,23 +419,13 @@ where
 {
     fn run_one_frame(&mut self) {
         let frame_count = self.frame_count;
-        #[cfg(feature = "profile")]
-        let start_run = time::precise_time_ns();
         while frame_count == self.frame_count && self.running {
             if let Ok(msg) = crate::recv_timeout(&self.receiver, TIMEOUT) {
                 self.running = self.handle_msg(msg);
             } else {
                 break;
             }
         }
-        #[cfg(feature = "profile")]
-        {
-            let end_run = time::precise_time_ns();
-            println!(
-                "WEBXR PROFILING [run_one_frame]:\t{}ms",
-                to_ms(end_run - start_run)
-            );
-        }
     }
 
     fn running(&self) -> bool {

webxr/Cargo.toml

@@ -25,7 +25,6 @@ glwindow = []
 headless = []
 ipc = ["webxr-api/ipc", "serde"]
 openxr-api = ["angle", "openxr", "winapi", "wio", "surfman/sm-angle-default"]
-profile = ["webxr-api/profile"]
 
 [dependencies]
 webxr-api = { path = "../webxr-api" }
@@ -36,7 +35,6 @@ openxr = { version = "0.18", optional = true }
 serde = { version = "1.0", optional = true }
 sparkle = "0.1"
 surfman = { version = "0.9", features = ["chains"] }
-time = "0.1.42"
 
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3", features = ["dxgi", "d3d11", "winerror"], optional = true }

webxr/glwindow/mod.rs

@@ -176,7 +176,6 @@ impl DeviceAPI for GlWindowDevice {
 
     fn begin_animation_frame(&mut self, layers: &[(ContextId, LayerId)]) -> Option<Frame> {
         log::debug!("Begin animation frame for layers {:?}", layers);
-        let time_ns = time::precise_time_ns();
         let translation = Vector3D::from_untyped(self.window.get_translation());
         let translation: RigidTransform3D<_, _, Native> =
             RigidTransform3D::from_translation(translation);
@@ -191,9 +190,7 @@ impl DeviceAPI for GlWindowDevice {
             }),
             inputs: vec![],
             events: vec![],
-            time_ns,
             sub_images,
-            sent_time: 0,
             hit_test_results: vec![],
         })
     }

webxr/headless/mod.rs

@@ -323,7 +323,6 @@ macro_rules! with_all_sessions {
 
 impl HeadlessDeviceData {
     fn get_frame(&self, s: &PerSessionData, sub_images: Vec<SubImages>) -> Frame {
-        let time_ns = time::precise_time_ns();
         let views = self.views.clone();
 
         let pose = self.viewer_origin.map(|transform| {
@@ -358,9 +357,7 @@ impl HeadlessDeviceData {
             pose,
             inputs,
             events: vec![],
-            time_ns,
             sub_images,
-            sent_time: 0,
             hit_test_results: vec![],
         }
     }

webxr/openxr/mod.rs

@@ -1237,7 +1237,6 @@ impl DeviceAPI for OpenXrDevice {
 
         let mut guard = self.shared_data.lock().unwrap();
         let data = guard.as_mut().unwrap();
-        let time_ns = time::precise_time_ns();
 
         // XXXManishearth should we check frame_state.should_render?
         let (_view_flags, mut views) = match self.session.locate_views(
@@ -1327,9 +1326,7 @@ impl DeviceAPI for OpenXrDevice {
             pose: Some(ViewerPose { transform, views }),
             inputs: vec![right.frame, left.frame],
             events: vec![],
-            time_ns,
             sub_images,
-            sent_time: 0,
             hit_test_results: vec![],
         };