上传YomovSDK

Packages/com.unity.xr.openxr/Runtime/CompositionLayers/OpenXRDefaultLayer.cs

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+#if XR_COMPOSITION_LAYERS
+
+using Unity.XR.CompositionLayers;
+using Unity.XR.CompositionLayers.Layers;
+using Unity.XR.CompositionLayers.Services;
+using UnityEngine.XR.OpenXR.NativeTypes;
+
+namespace UnityEngine.XR.OpenXR.CompositionLayers
+{
+    internal class OpenXRDefaultLayer : OpenXRLayerProvider.ILayerHandler
+    {
+        unsafe void SetDefaultLayerAttributes(CompositionLayerManager.LayerInfo layerInfo)
+        {
+            var extensions = OpenXRLayerUtility.GetExtensionsChain(layerInfo, CompositionLayerExtension.ExtensionTarget.Layer);
+            OpenXRLayerUtility.SetDefaultSceneLayerExtensions(extensions);
+
+            var flags = layerInfo.Layer.LayerData.BlendType == BlendType.Premultiply ? XrCompositionLayerFlags.SourceAlpha : XrCompositionLayerFlags.SourceAlpha | XrCompositionLayerFlags.UnPremultipliedAlpha;
+            OpenXRLayerUtility.SetDefaultLayerFlags(flags);
+        }
+
+        public void CreateLayer(CompositionLayerManager.LayerInfo layerInfo) => SetDefaultLayerAttributes(layerInfo);
+
+        public void ModifyLayer(CompositionLayerManager.LayerInfo layerInfo) => SetDefaultLayerAttributes(layerInfo);
+
+        public void OnUpdate()
+        {
+            return;
+        }
+
+        public void RemoveLayer(int id)
+        {
+            return;
+        }
+
+        public void SetActiveLayer(CompositionLayerManager.LayerInfo layerInfo)
+        {
+            return;
+        }
+    }
+}
+#endif