some tweaks

interface/src/Application.cpp

@@ -1193,6 +1193,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
         properties["dropped_frame_rate"] = displayPlugin->droppedFrameRate();
         properties["sim_rate"] = getAverageSimsPerSecond();
         properties["avatar_sim_rate"] = getAvatarSimrate();
+        properties["has_async_reprojection"] = displayPlugin->hasAsyncReprojection();
 
         auto bandwidthRecorder = DependencyManager::get<BandwidthRecorder>();
         properties["packet_rate_in"] = bandwidthRecorder->getCachedTotalAverageInputPacketsPerSecond();
@@ -1236,6 +1237,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
         auto glInfo = getGLContextData();
         properties["gl_info"] = glInfo;
         properties["gpu_free_memory"] = (int)BYTES_TO_MB(gpu::Context::getFreeGPUMemory());
+        properties["ideal_thread_count"] = QThread::idealThreadCount();
 
         auto hmdHeadPose = getHMDSensorPose();
         properties["hmd_head_pose_changed"] = isHMDMode() && (hmdHeadPose != lastHMDHeadPose);

libraries/plugins/src/plugins/DisplayPlugin.h

@@ -139,6 +139,7 @@ public:
     virtual bool isStereo() const { return isHmd(); }
     virtual bool isThrottled() const { return false; }
     virtual float getTargetFrameRate() const { return 0.0f; }
+    virtual bool hasAsyncReprojection() const { return false; }
 
     /// Returns a boolean value indicating whether the display is currently visible 
     /// to the user.  For monitor displays, false might indicate that a screensaver,

plugins/openvr/src/OpenVrDisplayPlugin.cpp

@@ -354,7 +354,10 @@ bool OpenVrDisplayPlugin::isSupported() const {
 }
 
 float OpenVrDisplayPlugin::getTargetFrameRate() const {
-    return forceInterleavedReprojection ? (TARGET_RATE_OpenVr / 2.0f) : TARGET_RATE_OpenVr;
+    if (forceInterleavedReprojection && !_asyncReprojectionActive) {
+        return TARGET_RATE_OpenVr / 2.0f;
+    }
+    return TARGET_RATE_OpenVr;
 }
 
 void OpenVrDisplayPlugin::init() {
@@ -401,9 +404,10 @@ bool OpenVrDisplayPlugin::internalActivate() {
     memset(&timing, 0, sizeof(timing));
     timing.m_nSize = sizeof(vr::Compositor_FrameTiming);
     vr::VRCompositor()->GetFrameTiming(&timing);
-    bool asyncReprojectionActive = timing.m_nReprojectionFlags & VRCompositor_ReprojectionAsync;
+    _asyncReprojectionActive = timing.m_nReprojectionFlags & VRCompositor_ReprojectionAsync;
 
-    _threadedSubmit = !asyncReprojectionActive;
+    _threadedSubmit = !_asyncReprojectionActive;
+    qDebug() << "OpenVR Async Reprojection active:  " << _asyncReprojectionActive;
     qDebug() << "OpenVR Threaded submit enabled:  " << _threadedSubmit;
 
     _openVrDisplayActive = true;

plugins/openvr/src/OpenVrDisplayPlugin.h

@@ -41,6 +41,7 @@ public:
     void init() override;
 
     float getTargetFrameRate() const override;
+    bool hasAsyncReprojection() const override { return _asyncReprojectionActive; }
 
     void customizeContext() override;
     void uncustomizeContext() override;
@@ -82,4 +83,6 @@ private:
     std::shared_ptr<OpenVrSubmitThread> _submitThread;
     std::shared_ptr<gl::OffscreenContext> _submitCanvas;
     friend class OpenVrSubmitThread;
+
+    bool _asyncReprojectionActive { false };
 };