138 lines
4.8 KiB
C#
138 lines
4.8 KiB
C#
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* Licensed under the Oculus SDK License Agreement (the "License");
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* you may not use the Oculus SDK except in compliance with the License,
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* which is provided at the time of installation or download, or which
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* otherwise accompanies this software in either electronic or hard copy form.
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*
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* You may obtain a copy of the License at
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*
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* https://developer.oculus.com/licenses/oculussdk/
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*
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* Unless required by applicable law or agreed to in writing, the Oculus SDK
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if USING_XR_SDK_OPENXR
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using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.XR.OpenXR;
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using UnityEngine.XR.OpenXR.Features;
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#if UNITY_EDITOR
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using UnityEditor;
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using UnityEditor.XR.OpenXR;
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using UnityEditor.XR.OpenXR.Features;
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#endif
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namespace Meta.XR
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{
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public enum FoveationMethod
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{
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FFR = 0,
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}
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#if UNITY_EDITOR
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[OpenXRFeature(UiName = "Meta XR Foveation",
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BuildTargetGroups = new[] { BuildTargetGroup.Standalone, BuildTargetGroup.Android },
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Company = "Meta",
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Desc = "MetaXR Foveation Feature that includes FFR",
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DocumentationLink = "https://developer.oculus.com/",
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OpenxrExtensionStrings = extensionList,
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Version = "1.0.0",
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FeatureId = featureId)]
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#endif
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public class MetaXRFoveationFeature : OpenXRFeature
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{
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public const string extensionList = "XR_FB_foveation " +
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"XR_FB_foveation_configuration " +
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"XR_FB_foveation_vulkan ";
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public const string featureId = "com.meta.openxr.feature.foveation";
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private static ulong _xrSession;
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#if UNITY_OPENXR_1_5_3
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private static UInt32 _foveatedRenderingLevel = 0;
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private static UInt32 _useDynamicFoveation = 0;
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#endif
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protected override void OnSessionCreate(ulong xrSession)
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{
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_xrSession = xrSession;
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}
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public static OVRManager.FoveatedRenderingLevel foveatedRenderingLevel
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{
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get
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{
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#if UNITY_OPENXR_1_5_3
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UInt32 level;
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FBGetFoveationLevel(out level);
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return (OVRManager.FoveatedRenderingLevel)level;
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#else
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Debug.LogWarning("Unable to set foveation level. Meta XR Foveation is not supported on this version of the OpenXR Provider. Please use 1.5.3 and above");
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return OVRManager.FoveatedRenderingLevel.Off;
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#endif
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}
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set
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{
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#if UNITY_OPENXR_1_5_3
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if (value == OVRManager.FoveatedRenderingLevel.HighTop)
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_foveatedRenderingLevel = (UInt32)OVRManager.FoveatedRenderingLevel.High;
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else
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_foveatedRenderingLevel = (UInt32)value;
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FBSetFoveationLevel(_xrSession, _foveatedRenderingLevel, 0.0f, _useDynamicFoveation);
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#else
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Debug.LogWarning("Unable to get foveation level. Meta XR Foveation is not supported on this version of the OpenXR Provider. Please use 1.5.3 and above");
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return;
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#endif
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}
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}
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public static bool useDynamicFoveatedRendering
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{
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get
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{
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#if UNITY_OPENXR_1_5_3
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UInt32 dynamic;
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FBGetFoveationLevel(out dynamic);
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return dynamic != 0;
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#else
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Debug.LogWarning("Unable to set dynamic foveation. Meta XR Foveation is not supported on this version of the OpenXR Provider. Please use 1.5.3 and above");
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return false;
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#endif
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}
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set
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{
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#if UNITY_OPENXR_1_5_3
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if (value)
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_useDynamicFoveation = 1;
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else
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_useDynamicFoveation = 0;
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FBSetFoveationLevel(_xrSession, _foveatedRenderingLevel, 0.0f, _useDynamicFoveation);
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#else
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Debug.LogWarning("Unable to get dynamic foveation. Meta XR Foveation is not supported on this version of the OpenXR Provider. Please use 1.5.3 and above");
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return;
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#endif
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}
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}
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#region OpenXR Plugin DLL Imports
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[DllImport("UnityOpenXR", EntryPoint = "FBSetFoveationLevel")]
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private static extern void FBSetFoveationLevel(UInt64 session, UInt32 level, float verticalOffset, UInt32 dynamic);
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[DllImport("UnityOpenXR", EntryPoint = "FBGetFoveationLevel")]
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private static extern void FBGetFoveationLevel(out UInt32 level);
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[DllImport("UnityOpenXR", EntryPoint = "FBGetFoveationDynamic")]
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private static extern void FBGetFoveationDynamic(out UInt32 dynamic);
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#endregion
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}
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}
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#endif
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