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Packages/PICO Unity Integration SDK-3.3.2-20251111/Runtime/Subsystem/PXR_CameraSubsystem.cs

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+#if AR_FOUNDATION_5 || AR_FOUNDATION_6
+using Unity.XR.PXR;
+using UnityEngine;
+using UnityEngine.XR.ARSubsystems;
+
+public class PXR_CameraSubsystem : XRCameraSubsystem
+{
+    internal const string k_SubsystemId = "PXR_CameraSubsystem";
+
+    internal static PXR_CameraSubsystem instance { get; private set; }
+
+    /// <summary>
+    /// Do not call this directly. Call create on a valid <see cref="XRCameraSubsystemDescriptor"/> instead.
+    /// </summary>
+    public PXR_CameraSubsystem()
+    {
+        instance = this;
+    }
+
+    class CameraProvider : Provider
+    {
+        /// <summary>
+        /// Start the camera functionality.
+        /// </summary>
+        public override void Start()
+        {
+            Debug.Log($"{k_SubsystemId} Start().");
+            PXR_Plugin.Boundary.UPxr_SetSeeThroughBackground(true);
+            PXR_Plugin.System.SessionStateChanged += EnableVST;
+        }
+
+        /// <summary>
+        /// Stop the camera functionality.
+        /// </summary>
+        public override void Stop()
+        {
+            Debug.Log($"{k_SubsystemId} Stop().");
+            PXR_Plugin.Boundary.UPxr_SetSeeThroughBackground(false);
+            PXR_Plugin.System.SessionStateChanged -= EnableVST;
+        }
+
+        /// <summary>
+        /// Destroy any resources required for the camera functionality.
+        /// </summary>
+        public override void Destroy() { }
+
+        public void EnableVST(XrSessionState state)
+        {
+            if (state == XrSessionState.Ready)
+            {
+                PXR_Plugin.Boundary.UPxr_SetSeeThroughBackground(true);
+            }
+        }
+    }
+
+    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
+    static void RegisterDescriptor()
+    {
+#if AR_FOUNDATION_5
+        var cameraSubsystemCinfo = new XRCameraSubsystemCinfo
+#endif
+
+#if AR_FOUNDATION_6
+        var cameraSubsystemCinfo = new XRCameraSubsystemDescriptor.Cinfo
+#endif
+        {
+            id = k_SubsystemId,
+            providerType = typeof(CameraProvider),
+            subsystemTypeOverride = typeof(PXR_CameraSubsystem),
+            supportsAverageBrightness = false,
+            supportsAverageColorTemperature = false,
+            supportsColorCorrection = false,
+            supportsDisplayMatrix = false,
+            supportsProjectionMatrix = false,
+            supportsTimestamp = false,
+            supportsCameraConfigurations = false,
+            supportsCameraImage = false,
+            supportsAverageIntensityInLumens = false,
+            supportsFocusModes = false,
+            supportsFaceTrackingAmbientIntensityLightEstimation = false,
+            supportsFaceTrackingHDRLightEstimation = false,
+            supportsWorldTrackingAmbientIntensityLightEstimation = false,
+            supportsWorldTrackingHDRLightEstimation = false,
+            supportsCameraGrain = false,
+        };
+
+#if AR_FOUNDATION_5
+        if (!XRCameraSubsystem.Register(cameraSubsystemCinfo))
+        {
+            PLog.e(k_SubsystemId, $"Failed to register the {k_SubsystemId} subsystem.");
+        }
+#endif
+
+#if AR_FOUNDATION_6
+        XRCameraSubsystemDescriptor.Register(cameraSubsystemCinfo);
+#endif
+    }
+}
+#endif