75 lines
2.7 KiB
C#
75 lines
2.7 KiB
C#
// Copyright HTC Corporation All Rights Reserved.
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using System.Collections.Generic;
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using UnityEditor;
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using UnityEngine.XR.OpenXR;
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using UnityEngine.XR.OpenXR.Features;
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using System.Runtime.InteropServices;
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using System;
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor.XR.OpenXR.Features;
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#endif
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namespace VIVE.OpenXR
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{
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#if UNITY_EDITOR
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[OpenXRFeature(UiName = "VIVE XR Foveation",
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Desc = "Support the HTC foveation extension.",
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Company = "HTC",
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DocumentationLink = "..\\Documentation",
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OpenxrExtensionStrings = "XR_HTC_foveation",
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Version = "1.0.0",
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BuildTargetGroups = new[] { BuildTargetGroup.Android },
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FeatureId = featureId
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)]
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#endif
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public class ViveFoveation : OpenXRFeature
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{
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/// <summary>
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/// Flag bits for XrFoveationDynamicFlagsHTC
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/// </summary>
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public const UInt64 XR_FOVEATION_DYNAMIC_LEVEL_ENABLED_BIT_HTC = 0x00000001;
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public const UInt64 XR_FOVEATION_DYNAMIC_CLEAR_FOV_ENABLED_BIT_HTC = 0x00000002;
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public const UInt64 XR_FOVEATION_DYNAMIC_FOCAL_CENTER_OFFSET_ENABLED_BIT_HTC = 0x00000004;
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/// <summary>
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/// The feature id string. This is used to give the feature a well known id for reference.
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/// </summary>
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public const string featureId = "vive.openxr.feature.foveation";
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protected override IntPtr HookGetInstanceProcAddr(IntPtr func)
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{
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Debug.Log("EXT: registering our own xrGetInstanceProcAddr");
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if (SystemInfo.graphicsDeviceType == UnityEngine.Rendering.GraphicsDeviceType.Vulkan)
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{
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Debug.Log("Vulkan no hook foveation");
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return func;
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}
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return intercept_xrGetInstanceProcAddr(func);
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}
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private const string ExtLib = "viveopenxr";
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[DllImport(ExtLib, EntryPoint = "intercept_xrGetInstanceProcAddr")]
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private static extern IntPtr intercept_xrGetInstanceProcAddr(IntPtr func);
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[DllImport(ExtLib, EntryPoint = "applyFoveationHTC")]
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private static extern XrResult applyFoveationHTC(XrFoveationModeHTC mode, UInt32 configCount, XrFoveationConfigurationHTC[] configs, UInt64 flags);
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/// <summary>
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/// function to apply HTC Foveation
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/// </summary>
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public static XrResult ApplyFoveationHTC(XrFoveationModeHTC mode, UInt32 configCount, XrFoveationConfigurationHTC[] configs, UInt64 flags = 0)
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{
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//Debug.Log("Unity HTCFoveat:configCount " + configCount);
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//if (configCount >=2) {
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//Debug.Log("Unity HTCFoveat:configs[0].clearFovDegree " + configs[0].clearFovDegree);
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//Debug.Log("Unity HTCFoveat:configs[0].level " + configs[0].level);
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//Debug.Log("Unity HTCFoveat:configs[1].clearFovDegree " + configs[1].clearFovDegree);
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//Debug.Log("Unity HTCFoveat:configs[1].level " + configs[1].level);
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//}
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return applyFoveationHTC(mode, configCount, configs, flags);
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}
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}
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} |