version 2.5.1

com.htc.upm.vive.openxr/Runtime/Features/CompositionLayer/Scripts/ViveCompositionLayerEquirect.cs

@@ -0,0 +1,120 @@
+// Copyright HTC Corporation All Rights Reserved.
+
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine.XR.OpenXR;
+using UnityEngine.XR.OpenXR.Features;
+using AOT;
+using UnityEngine;
+using System;
+using System.Runtime.InteropServices;
+using System.Linq;
+
+#if UNITY_EDITOR
+using UnityEditor.XR.OpenXR.Features;
+#endif
+
+namespace VIVE.OpenXR.CompositionLayer
+{
+#if UNITY_EDITOR
+	[OpenXRFeature(UiName = "VIVE XR Composition Layer (Equirect)",
+		Desc = "Enable this feature to enable the Composition Layer Equirect Extension",
+		Company = "HTC",
+		DocumentationLink = "..\\Documentation",
+		OpenxrExtensionStrings = kOpenXRCylinderExtensionString,
+		Version = "1.0.0",
+		BuildTargetGroups = new[] { BuildTargetGroup.Android },
+		FeatureId = featureId
+	)]
+#endif
+	public class ViveCompositionLayerEquirect : OpenXRFeature
+	{
+		const string LOG_TAG = "VIVE.OpenXR.ViveCompositionLayer.Equirect";
+		static void DEBUG(string msg) { Debug.Log(LOG_TAG + " " + msg); }
+		static void WARNING(string msg) { Debug.LogWarning(LOG_TAG + " " + msg); }
+		static void ERROR(string msg) { Debug.LogError(LOG_TAG + " " + msg); }
+
+		/// <summary>
+		/// The feature id string. This is used to give the feature a well known id for reference.
+		/// </summary>
+		public const string featureId = "vive.openxr.feature.compositionlayer.equirect";
+
+		private const string kOpenXRCylinderExtensionString = "XR_KHR_composition_layer_equirect XR_KHR_composition_layer_equirect2";
+
+		private bool m_EquirectExtensionEnabled = true;
+		/// <summary>
+		/// The extension "XR_KHR_composition_layer_equirect" is enabled or not.
+		/// </summary>
+		public bool EquirectExtensionEnabled
+		{
+			get { return m_EquirectExtensionEnabled; }
+		}
+
+		private bool m_Equirect2ExtensionEnabled = true;
+		/// <summary>
+		/// The extension "XR_KHR_composition_layer_equirect2" is enabled or not.
+		/// </summary>
+		public bool Equirect2ExtensionEnabled
+		{
+			get { return m_Equirect2ExtensionEnabled; }
+		}
+
+
+		#region OpenXR Life Cycle
+		protected override bool OnInstanceCreate(ulong xrInstance)
+		{
+			if (!OpenXRRuntime.IsExtensionEnabled("XR_KHR_composition_layer_equirect"))
+			{
+				WARNING("OnInstanceCreate() " + "XR_KHR_composition_layer_equirect" + " is NOT enabled.");
+
+				m_EquirectExtensionEnabled = false;
+				return false;
+			}
+			
+			if (!OpenXRRuntime.IsExtensionEnabled("XR_KHR_composition_layer_equirect2"))
+			{
+				WARNING("OnInstanceCreate() " + "XR_KHR_composition_layer_equirect2" + " is NOT enabled.");
+
+				m_Equirect2ExtensionEnabled = false;
+				return false;
+			}
+
+			return true;
+		}
+		#endregion
+
+		#region Wrapper Functions
+		private const string ExtLib = "viveopenxr";
+
+		[DllImportAttribute(ExtLib, EntryPoint = "submit_CompositionLayerEquirect")]
+		public static extern void VIVEOpenXR_Submit_CompositionLayerEquirect(XrCompositionLayerEquirectKHR equirect, LayerType layerType, uint compositionDepth, int layerID);
+		/// <summary>
+		/// submit compostion layer of type equirect.
+		/// </summary>
+		public void Submit_CompositionLayerEquirect(XrCompositionLayerEquirectKHR equirect, LayerType layerType, uint compositionDepth, int layerID)
+		{
+			if (!EquirectExtensionEnabled)
+			{
+				ERROR("Submit_CompositionLayerEquirect: " + "XR_KHR_composition_layer_equirect" + " is NOT enabled.");
+			}
+
+			VIVEOpenXR_Submit_CompositionLayerEquirect(equirect, layerType, compositionDepth, layerID);
+		}
+		
+		[DllImportAttribute(ExtLib, EntryPoint = "submit_CompositionLayerEquirect2")]
+		public static extern void VIVEOpenXR_Submit_CompositionLayerEquirect2(XrCompositionLayerEquirect2KHR equirect2, LayerType layerType, uint compositionDepth, int layerID);
+		/// <summary>
+		/// submit compostion layer of type equirect2.
+		/// </summary>
+		public void Submit_CompositionLayerEquirect2(XrCompositionLayerEquirect2KHR equirect2, LayerType layerType, uint compositionDepth, int layerID)
+		{
+			if (!Equirect2ExtensionEnabled)
+			{
+				ERROR("Submit_CompositionLayerEquirect2: " + "XR_KHR_composition_layer_equirect2" + " is NOT enabled.");
+			}
+
+			VIVEOpenXR_Submit_CompositionLayerEquirect2(equirect2, layerType, compositionDepth, layerID);
+		}
+		#endregion
+	}
+}