541 lines
18 KiB
C#
541 lines
18 KiB
C#
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#if PICO_OPENXR_SDK
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text;
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using Unity.XR.CoreUtils;
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using Unity.XR.PXR;
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using UnityEditor;
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using UnityEngine;
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#if AR_FOUNDATION_5||AR_FOUNDATION_6
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using UnityEngine.XR.ARSubsystems;
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#endif
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using UnityEngine.XR.OpenXR;
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using UnityEngine.XR.OpenXR.Features;
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using UnityEngine.XR.OpenXR.NativeTypes;
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using Object = UnityEngine.Object;
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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 Unity.XR.OpenXR.Features.PICOSupport
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{
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#if UNITY_EDITOR
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[OpenXRFeature(UiName = "OpenXR Passthrough",
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Hidden = false,
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BuildTargetGroups = new[] { UnityEditor.BuildTargetGroup.Android },
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Company = "PICO",
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OpenxrExtensionStrings = extensionString,
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Version = PXR_Constants.SDKVersion,
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FeatureId = featureId)]
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#endif
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public class PassthroughFeature : OpenXRFeatureBase
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{
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public const string featureId = "com.pico.openxr.feature.passthrough";
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public const string extensionString = "XR_FB_passthrough";
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public const int XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB = 256;
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private static byte[] colorData;
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private static uint Size = 0;
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private static bool isInit = false;
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private static bool isPause = false;
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private static int _enableVideoSeeThrough=-1;
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public static event Action<bool> EnableVideoSeeThroughAction;
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private static bool isRefreshRecenterSpace = false;
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public static bool isExtensionEnable => OpenXRRuntime.IsExtensionEnabled(extensionString);
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[HideInInspector]
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public static bool EnableVideoSeeThrough
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{
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get => _enableVideoSeeThrough==1;
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set
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{
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if (value)
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{
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if (_enableVideoSeeThrough != 1)
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{
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_enableVideoSeeThrough = 1;
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EnableSeeThroughManual(value);
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if (EnableVideoSeeThroughAction != null)
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{
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EnableVideoSeeThroughAction(value);
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}
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}
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}
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else
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{
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if (_enableVideoSeeThrough == 1)
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{
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_enableVideoSeeThrough = 0;
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EnableSeeThroughManual(value);
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if (EnableVideoSeeThroughAction != null)
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{
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EnableVideoSeeThroughAction(value);
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}
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}
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}
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}
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}
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protected override void OnSessionBegin(ulong xrSessionId)
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{
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if (!isRefreshRecenterSpace)
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{
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OpenXRSettings.RefreshRecenterSpace();
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isRefreshRecenterSpace = true;
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}
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}
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public override string GetExtensionString()
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{
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return extensionString;
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}
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public static void PassthroughStart()
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{
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passthroughStart();
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isPause = false;
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}
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public static void PassthroughPause()
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{
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passthroughPause();
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isPause = true;
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}
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//This interface has been changed to a private interface.
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//Please use the EnableVideoSeeThrough .
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private static bool EnableSeeThroughManual(bool value)
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{
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if (!isExtensionEnable)
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{
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return false;
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}
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if (!isInit)
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{
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isInit = initializePassthrough();
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}
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if (value)
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{
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createFullScreenLayer();
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if (!isPause)
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{
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passthroughStart();
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}
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}
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else
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{
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passthroughPause();
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}
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return true;
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}
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public static void Destroy()
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{
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if (!isExtensionEnable)
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{
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return;
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}
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Passthrough_Destroy();
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}
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private void OnDestroy()
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{
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Destroy();
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}
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private static void AllocateColorMapData(uint size)
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{
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if (colorData != null && size != colorData.Length)
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{
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Clear();
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}
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if (colorData == null)
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{
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colorData = new byte[size];
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}
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}
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private static void Clear()
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{
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if (colorData != null)
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{
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colorData = null;
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}
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}
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private static void WriteVector3ToColorMap(int colorIndex, ref Vector3 color)
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{
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for (int c = 0; c < 3; c++)
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{
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byte[] bytes = BitConverter.GetBytes(color[c]);
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Buffer.BlockCopy(bytes, 0, colorData, colorIndex * 12 + c * 4, 4);
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}
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}
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private static void WriteFloatToColorMap(int index, float value)
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{
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byte[] bytes = BitConverter.GetBytes(value);
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Buffer.BlockCopy(bytes, 0, colorData, index * sizeof(float), sizeof(float));
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}
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private static void WriteColorToColorMap(int colorIndex, ref Color color)
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{
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for (int c = 0; c < 4; c++)
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{
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byte[] bytes = BitConverter.GetBytes(color[c]);
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Buffer.BlockCopy(bytes, 0, colorData, colorIndex * 16 + c * 4, 4);
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}
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}
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public static unsafe void SetBrightnessContrastSaturation(ref PassthroughStyle style, float brightness = 0.0f,
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float contrast = 0.0f, float saturation = 0.0f)
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{
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style.enableColorMap = true;
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style.TextureColorMapType = PassthroughColorMapType.BrightnessContrastSaturation;
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Size = 3 * sizeof(float);
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AllocateColorMapData(Size);
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WriteFloatToColorMap(0, brightness);
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WriteFloatToColorMap(1, contrast);
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WriteFloatToColorMap(2, saturation);
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fixed (byte* p = colorData)
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{
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style.TextureColorMapData = (IntPtr)p;
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}
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style.TextureColorMapDataSize = Size;
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StringBuilder str = new StringBuilder();
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for (int i = 0; i < Size; i++)
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{
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str.Append(colorData[i]);
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}
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Debug.Log("SetPassthroughStyle SetBrightnessContrastSaturation colorData：" + str);
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}
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public static unsafe void SetColorMapbyMonoToMono(ref PassthroughStyle style, int[] values)
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{
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if (values.Length != XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB)
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throw new ArgumentException("Must provide exactly 256 values");
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style.enableColorMap = true;
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style.TextureColorMapType = PassthroughColorMapType.MonoToMono;
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Size = XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB * 4;
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AllocateColorMapData(Size);
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Buffer.BlockCopy(values, 0, colorData, 0, (int)Size);
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fixed (byte* p = colorData)
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{
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style.TextureColorMapData = (IntPtr)p;
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}
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style.TextureColorMapDataSize = Size;
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}
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public static unsafe void SetColorMapbyMonoToRgba(ref PassthroughStyle style, Color[] values)
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{
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if (values.Length != XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB)
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throw new ArgumentException("Must provide exactly 256 colors");
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style.TextureColorMapType = PassthroughColorMapType.MonoToRgba;
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style.enableColorMap = true;
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Size = XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB * 4 * 4;
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AllocateColorMapData(Size);
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for (int i = 0; i < XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB; i++)
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{
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WriteColorToColorMap(i, ref values[i]);
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}
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fixed (byte* p = colorData)
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{
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style.TextureColorMapData = (IntPtr)p;
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}
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style.TextureColorMapDataSize = Size;
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}
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public static _PassthroughStyle ToPassthroughStyle(PassthroughStyle c)
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{
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_PassthroughStyle mPassthroughStyle = new _PassthroughStyle();
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mPassthroughStyle.enableEdgeColor = (uint)(c.enableEdgeColor ? 1 : 0);
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mPassthroughStyle.enableColorMap = (uint)(c.enableColorMap ? 1 : 0);
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mPassthroughStyle.TextureOpacityFactor = c.TextureOpacityFactor;
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mPassthroughStyle.TextureColorMapType = c.TextureColorMapType;
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mPassthroughStyle.TextureColorMapDataSize = c.TextureColorMapDataSize;
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mPassthroughStyle.TextureColorMapData = c.TextureColorMapData;
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mPassthroughStyle.EdgeColor = new Colorf()
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{ r = c.EdgeColor.r, g = c.EdgeColor.g, b = c.EdgeColor.b, a = c.EdgeColor.a };
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return mPassthroughStyle;
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}
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public static void SetPassthroughStyle(PassthroughStyle style)
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{
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setPassthroughStyle(ToPassthroughStyle(style));
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}
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public static bool IsPassthroughSupported()
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{
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return isPassthroughSupported();
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}
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public static unsafe bool CreateTriangleMesh(int id, Vector3[] vertices, int[] triangles,
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GeometryInstanceTransform transform)
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{
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if (vertices == null || triangles == null || vertices.Length == 0 || triangles.Length == 0)
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{
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return false;
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}
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if (!isInit)
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{
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isInit = initializePassthrough();
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}
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int vertexCount = vertices.Length;
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int triangleCount = triangles.Length;
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Size = (uint)vertexCount * 3 * 4;
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AllocateColorMapData(Size);
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for (int i = 0; i < vertexCount; i++)
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{
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WriteVector3ToColorMap(i, ref vertices[i]);
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}
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IntPtr vertexDataPtr = IntPtr.Zero;
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fixed (byte* p = colorData)
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{
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vertexDataPtr = (IntPtr)p;
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}
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StringBuilder str = new StringBuilder();
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for (int i = 0; i < 3 * 4; i++)
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{
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str.Append(colorData[i]);
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}
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Debug.Log("CreateTriangleMesh vertexDataPtr colorData：" + str);
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str.Clear();
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Size = (uint)triangleCount * 4;
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AllocateColorMapData(Size);
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Buffer.BlockCopy(triangles, 0, colorData, 0, (int)Size);
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IntPtr triangleDataPtr = IntPtr.Zero;
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fixed (byte* p = colorData)
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{
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triangleDataPtr = (IntPtr)p;
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}
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for (int i = 0; i < colorData.Length; i++)
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{
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str.Append(colorData[i]);
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}
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// Debug.Log("CreateTriangleMesh triangleDataPtr colorData：" + str);
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//
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// Debug.Log("CreateTriangleMesh vertexDataPtr=" + vertexDataPtr + " vertexCount=" + vertexCount);
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// Debug.Log("CreateTriangleMesh triangleDataPtr=" + triangleDataPtr + " triangleCount=" + triangleCount);
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XrResult result =
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createTriangleMesh(id, vertexDataPtr, vertexCount, triangleDataPtr, triangleCount, transform);
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Clear();
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|||
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if (result == XrResult.Success)
|
|||
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{
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return true;
|
|||
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}
|
|||
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|||
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return false;
|
|||
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}
|
|||
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|||
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public static void UpdateMeshTransform(int id, GeometryInstanceTransform transform)
|
|||
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{
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|||
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updatePassthroughMeshTransform(id, transform);
|
|||
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}
|
|||
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|||
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|
|||
|
|
#if UNITY_EDITOR
|
|||
|
|
/// <summary>
|
|||
|
|
/// Validation Rules for ARCameraFeature.
|
|||
|
|
/// </summary>
|
|||
|
|
protected override void GetValidationChecks(List<ValidationRule> rules, BuildTargetGroup targetGroup)
|
|||
|
|
{
|
|||
|
|
var AdditionalRules = new ValidationRule[]
|
|||
|
|
{
|
|||
|
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new ValidationRule(this)
|
|||
|
|
{
|
|||
|
|
message = "Passthrough requires Camera clear flags set to solid color with alpha value zero.",
|
|||
|
|
checkPredicate = () =>
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
var xrOrigin = FindObjectsOfType<XROrigin>();
|
|||
|
|
|
|||
|
|
if (xrOrigin != null && xrOrigin.Length > 0)
|
|||
|
|
{
|
|||
|
|
if (!xrOrigin[0].enabled) return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var camera = xrOrigin[0].Camera;
|
|||
|
|
if (camera == null) return true;
|
|||
|
|
|
|||
|
|
return camera.clearFlags == CameraClearFlags.SolidColor && Mathf.Approximately(camera.backgroundColor.a, 0);
|
|||
|
|
},
|
|||
|
|
fixItAutomatic = true,
|
|||
|
|
fixItMessage = "Set your XR Origin camera's Clear Flags to solid color with alpha value zero.",
|
|||
|
|
fixIt = () =>
|
|||
|
|
{
|
|||
|
|
var xrOrigin = FindObjectsOfType<XROrigin>();
|
|||
|
|
if (xrOrigin!=null&&xrOrigin.Length>0)
|
|||
|
|
{
|
|||
|
|
if (xrOrigin[0].enabled)
|
|||
|
|
{
|
|||
|
|
var camera = xrOrigin[0].Camera;
|
|||
|
|
if (camera != null )
|
|||
|
|
{
|
|||
|
|
camera.clearFlags = CameraClearFlags.SolidColor;
|
|||
|
|
Color clearColor = camera.backgroundColor;
|
|||
|
|
clearColor.a = 0;
|
|||
|
|
camera.backgroundColor = clearColor;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
error = false
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
rules.AddRange(AdditionalRules);
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#if AR_FOUNDATION_5||AR_FOUNDATION_6
|
|||
|
|
public bool isCameraSubsystem=false;
|
|||
|
|
static List<XRCameraSubsystemDescriptor> s_CameraDescriptors = new List<XRCameraSubsystemDescriptor>();
|
|||
|
|
protected override void OnSubsystemCreate()
|
|||
|
|
{
|
|||
|
|
base.OnSubsystemCreate();
|
|||
|
|
if (isCameraSubsystem)
|
|||
|
|
{
|
|||
|
|
CreateSubsystem<XRCameraSubsystemDescriptor, XRCameraSubsystem>(
|
|||
|
|
s_CameraDescriptors,
|
|||
|
|
PXR_CameraSubsystem.k_SubsystemId);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
protected override void OnSubsystemStart()
|
|||
|
|
{
|
|||
|
|
if (isCameraSubsystem)
|
|||
|
|
{
|
|||
|
|
StartSubsystem<XRCameraSubsystem>();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
protected override void OnSubsystemStop()
|
|||
|
|
{
|
|||
|
|
if (isCameraSubsystem)
|
|||
|
|
{
|
|||
|
|
StopSubsystem<XRCameraSubsystem>();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
protected override void OnSubsystemDestroy()
|
|||
|
|
{
|
|||
|
|
if (isCameraSubsystem)
|
|||
|
|
{
|
|||
|
|
DestroySubsystem<XRCameraSubsystem>();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endif
|
|||
|
|
protected override void OnSessionStateChange(int oldState, int newState)
|
|||
|
|
{
|
|||
|
|
base.OnSessionStateChange(oldState, newState);
|
|||
|
|
if (newState == 1)
|
|||
|
|
{
|
|||
|
|
#if AR_FOUNDATION_5||AR_FOUNDATION_6
|
|||
|
|
if (isCameraSubsystem)
|
|||
|
|
{
|
|||
|
|
StopSubsystem<XRCameraSubsystem>();
|
|||
|
|
}else{
|
|||
|
|
if (_enableVideoSeeThrough!=-1)
|
|||
|
|
{
|
|||
|
|
EnableSeeThroughManual(false);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#else
|
|||
|
|
if (_enableVideoSeeThrough!=-1)
|
|||
|
|
{
|
|||
|
|
EnableSeeThroughManual(false);
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
else if (newState == 5)
|
|||
|
|
{
|
|||
|
|
#if AR_FOUNDATION_5||AR_FOUNDATION_6
|
|||
|
|
if (isCameraSubsystem)
|
|||
|
|
{
|
|||
|
|
StartSubsystem<XRCameraSubsystem>();
|
|||
|
|
}else{
|
|||
|
|
if (_enableVideoSeeThrough!=-1)
|
|||
|
|
{
|
|||
|
|
EnableSeeThroughManual(EnableVideoSeeThrough);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#else
|
|||
|
|
if (_enableVideoSeeThrough!=-1)
|
|||
|
|
{
|
|||
|
|
EnableSeeThroughManual(EnableVideoSeeThrough);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_InitializePassthrough", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern bool initializePassthrough();
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_CreateFullScreenLayer", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern bool createFullScreenLayer();
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_PassthroughStart", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern void passthroughStart();
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_PassthroughPause", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern void passthroughPause();
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_SetPassthroughStyle", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern void setPassthroughStyle(_PassthroughStyle style);
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_IsPassthroughSupported", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern bool isPassthroughSupported();
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_Passthrough_Destroy", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern void Passthrough_Destroy();
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_CreateTriangleMesh", CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern XrResult createTriangleMesh(int id, IntPtr vertices, int vertexCount, IntPtr triangles,
|
|||
|
|
int triangleCount, GeometryInstanceTransform transform);
|
|||
|
|
|
|||
|
|
[DllImport(OpenXRExtensions.PXR_PLATFORM_DLL, EntryPoint = "PICO_UpdatePassthroughMeshTransform",
|
|||
|
|
CallingConvention = CallingConvention.Cdecl)]
|
|||
|
|
private static extern void updatePassthroughMeshTransform(int id, GeometryInstanceTransform transform);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endif
|