Enable 90Hz mode for Oculus

icosa-foundation · Jan 27, 2022 · f7be823 · f7be823
1 parent 83f5102
commit f7be823
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diff --git a/Assets/Scripts/UserConfig.cs b/Assets/Scripts/UserConfig.cs
@@ -305,6 +305,7 @@ public struct VideoConfig
 
             private const float kDefaultSmoothing = 0.98f;
             private const float kDefaultOdsPoleCollapsing = 1.0f;
+            private const float kDefaultDisplayRefresh = 72.0f;
 
             float? m_FPS;
             public float FPS
@@ -476,6 +477,17 @@ public float OdsPoleCollapsing
                     }
                 }
             }
+
+            float? m_DisplayRefresh;
+            public float DisplayRefresh
+            {
+                get { return m_DisplayRefresh ?? kDefaultDisplayRefresh; }
+                set
+                {
+                    m_DisplayRefresh = value;
+                }
+            }
+
         }
 
         public VideoConfig Video;

diff --git a/Assets/Scripts/VrSdk.cs b/Assets/Scripts/VrSdk.cs
@@ -193,6 +193,22 @@ void Awake()
                 manager.useRecommendedMSAALevel = false;
 
                 SetControllerStyle(TiltBrush.ControllerStyle.OculusTouch);
+
+                // Set custom refresh rate, if possible. To see the current framerate, look in the logs for prints like this one. The first number is the actual frame rate, the second is the display refresh rate (aka target)
+                // VrApi   : FPS=90/90,Prd=33ms,Tear=0,Early=0...
+                float targetDisplayRefresh = App.UserConfig.Video.DisplayRefresh;
+                float[] freqs = OVRManager.display.displayFrequenciesAvailable;
+                foreach (float freq in freqs)
+                {
+                    if (Math.Abs(freq - targetDisplayRefresh) < 1)
+                    {
+                        OVRPlugin.systemDisplayFrequency = freq;
+                        OVRManager.DisplayRefreshRateChanged += DisplayRefreshRateChanged;
+                        Debug.Log($"Set display refresh to {freq}");
+                        break;
+                    }
+                }
+
                 // adding components to the VR Camera needed for fading view and getting controller poses.
                 m_VrCamera.gameObject.AddComponent<OculusCameraFade>();
                 m_VrCamera.gameObject.AddComponent<OculusPreCullHook>();
@@ -343,6 +359,13 @@ private void OnInputFocus(params object[] args)
             m_HasVrFocus = (bool)args[0];
         }
 
+#if OCULUS_SUPPORTED
+        private void DisplayRefreshRateChanged (float fromRefreshRate, float ToRefreshRate)
+        {
+            Debug.LogWarning(string.Format("Refresh rate changed from {0} to {1}", fromRefreshRate, ToRefreshRate));
+        }
+#endif
+
         private void OnNewPoses()
         {
             if (NewControllerPosesApplied != null)