108 lines
3.9 KiB
C#
108 lines
3.9 KiB
C#
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using System.Collections.Generic;
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using System.Text;
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namespace UnityEngine.Experimental.Rendering
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{
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/// <summary>
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/// Used by render pipelines to store information about the XR device layout.
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/// </summary>
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public class XRLayout
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{
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readonly List<(Camera, XRPass)> m_ActivePasses = new List<(Camera, XRPass)>();
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/// <summary>
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/// Configure the layout to render from the specified camera by generating passes from the the connected XR device.
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/// </summary>
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/// <param name="camera"> Camera that has XR device connected to. </param>
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/// <param name="enableXR"> Determines XR capability of the generated layout. Can be used to force generate non-XR layout. </param>
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public void AddCamera(Camera camera, bool enableXR)
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{
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if (camera == null)
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return;
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// Enable XR layout only for game camera
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bool isGameCamera = (camera.cameraType == CameraType.Game || camera.cameraType == CameraType.VR);
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bool xrSupported = isGameCamera && camera.targetTexture == null && enableXR;
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if (XRSystem.displayActive && xrSupported)
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{
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XRSystem.SetDisplayZRange(camera.nearClipPlane, camera.farClipPlane);
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XRSystem.CreateDefaultLayout(camera, this);
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}
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else
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{
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AddPass(camera, XRSystem.emptyPass);
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}
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}
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/// <summary>
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/// Used by render pipelines to reconfigure a pass from a camera.
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/// </summary>
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/// <param name="xrPass"> XRPass that needs to be reconfigured. </param>
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/// <param name="camera"> The camera that XRPass configures against. </param>
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public void ReconfigurePass(XRPass xrPass, Camera camera)
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{
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if (xrPass.enabled)
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{
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XRSystem.ReconfigurePass(xrPass, camera);
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xrPass.UpdateCombinedOcclusionMesh();
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}
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}
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/// <summary>
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/// Used by render pipelines to access all registered passes on this layout.
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/// </summary>
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/// <returns> A list of registered camera/XRPass tuples. </returns>
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public List<(Camera, XRPass)> GetActivePasses()
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{
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return m_ActivePasses;
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}
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internal void AddPass(Camera camera, XRPass xrPass)
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{
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xrPass.UpdateCombinedOcclusionMesh();
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m_ActivePasses.Add((camera, xrPass));
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}
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internal void Clear()
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{
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for (int i = 0; i < m_ActivePasses.Count; i++)
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{
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// Pop from the back to keep initial ordering (see implementation of ObjectPool)
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(Camera _, XRPass xrPass) = m_ActivePasses[m_ActivePasses.Count - i - 1];
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if (xrPass != XRSystem.emptyPass)
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xrPass.Release();
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}
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m_ActivePasses.Clear();
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}
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internal void LogDebugInfo()
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{
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var sb = new StringBuilder();
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sb.AppendFormat("XRSystem setup for frame {0}, active: {1}", Time.frameCount, XRSystem.displayActive);
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sb.AppendLine();
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for (int passIndex = 0; passIndex < m_ActivePasses.Count; passIndex++)
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{
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var pass = m_ActivePasses[passIndex].Item2;
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for (int viewIndex = 0; viewIndex < pass.viewCount; viewIndex++)
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{
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var viewport = pass.GetViewport(viewIndex);
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sb.AppendFormat("XR Pass {0} Cull {1} View {2} Slice {3} : {4} x {5}",
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pass.multipassId,
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pass.cullingPassId,
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viewIndex,
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pass.GetTextureArraySlice(viewIndex),
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viewport.width,
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viewport.height);
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sb.AppendLine();
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}
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}
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Debug.Log(sb);
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}
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}
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}
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