137 lines
4.5 KiB
C#
137 lines
4.5 KiB
C#
#if ENABLE_VR && ENABLE_XR_MODULE
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using NUnit.Framework;
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using UnityEngine;
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using UnityEngine.TestTools;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.XR;
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namespace UnityEngine.Rendering.Tests
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{
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class XRDisplaySubsystemCoreTests
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{
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// Utils
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protected IEnumerator WaitOneFrame()
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{
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yield return null;
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}
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Camera m_Camera;
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XRDisplaySubsystem m_XRDisplay;
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private RenderPipelineAsset m_RenderPipelineAsset;
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[SetUp]
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public void Setup()
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{
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var camObj = new GameObject();
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camObj.AddComponent<Camera>();
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m_Camera = camObj.GetComponent<Camera>();
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camObj.tag = "MainCamera";
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var displays = new List<XRDisplaySubsystem>();
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SubsystemManager.GetSubsystems(displays);
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// Skip tests
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if (displays.Count == 0)
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Assert.Ignore("No active XR provider found, skipping XRSystem core tests.");
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m_XRDisplay = displays[0];
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}
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[TearDown]
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public void TearDown()
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{
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if (m_Camera)
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{
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Object.Destroy(m_Camera.gameObject);
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}
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}
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[UnityTest]
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public IEnumerator SetOcclusionMeshScaleTest()
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{
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XRSRPSettings.occlusionMeshScale = 1.0f;
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yield return WaitOneFrame();
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// Set scale
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float targetScale = 0.5f;
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XRSRPSettings.occlusionMeshScale = targetScale;
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yield return WaitOneFrame();
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// Examine XRPass
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float occlusionScale = 0;
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var xrLayout = XRSystem.NewLayout();
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xrLayout.AddCamera(m_Camera, true);
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if (xrLayout.GetActivePasses().Count > 0)
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{
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(Camera _, XRPass xrPass) = xrLayout.GetActivePasses()[0];
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{
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occlusionScale = xrPass.occlusionMeshScale;
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}
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}
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Assert.AreEqual(targetScale, occlusionScale);
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yield return WaitOneFrame();
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// Reset to default 1.0f
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XRSRPSettings.occlusionMeshScale = 1.0f;
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yield return WaitOneFrame();
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}
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[UnityTest]
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public IEnumerator SetMirrorViewModeTest()
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{
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XRSRPSettings.mirrorViewMode = XRMirrorViewBlitMode.SideBySide;
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yield return WaitOneFrame();
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// Check XRDisplay mirror blit mode
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int mirrorBlitMode = m_XRDisplay.GetPreferredMirrorBlitMode();
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Assert.AreEqual(mirrorBlitMode, XRMirrorViewBlitMode.SideBySide);
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// Repeat for Left mode
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XRSRPSettings.mirrorViewMode = XRMirrorViewBlitMode.LeftEye;
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yield return WaitOneFrame();
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// Check XRDisplay mirror blit mode
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mirrorBlitMode = m_XRDisplay.GetPreferredMirrorBlitMode();
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Assert.AreEqual(mirrorBlitMode, XRMirrorViewBlitMode.LeftEye);
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}
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[UnityTest]
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public IEnumerator CalculateViewCornersTest()
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{
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yield return WaitOneFrame();
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// Retrieve XRPass
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var xrLayout = XRSystem.NewLayout();
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xrLayout.AddCamera(m_Camera, true);
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XRPass firstPass = XRSystem.emptyPass;
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if (xrLayout.GetActivePasses().Count > 0)
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{
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(Camera _, XRPass xrPass) = xrLayout.GetActivePasses()[0];
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{
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firstPass = xrPass;
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}
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}
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// z 0 case: all corners should be zero
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float z0 = 0;
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Vector3[] corners = CoreUtils.CalculateViewSpaceCorners(firstPass.GetProjMatrix(0), z0);
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Assert.AreEqual(Vector3.zero, corners[0]);
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Assert.AreEqual(Vector3.zero, corners[1]);
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Assert.AreEqual(Vector3.zero, corners[2]);
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Assert.AreEqual(Vector3.zero, corners[3]);
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// z2 corners = z1 corners * z2/z1
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float z1 = 1;
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float z2 = 2;
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Vector3[] cornersZ1 = CoreUtils.CalculateViewSpaceCorners(firstPass.GetProjMatrix(0), z1 /*z*/);
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Vector3[] cornersZ2 = CoreUtils.CalculateViewSpaceCorners(firstPass.GetProjMatrix(0), z2 /*z*/);
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Assert.AreEqual(cornersZ1[0] * z2 / z1, cornersZ2[0]);
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Assert.AreEqual(cornersZ1[1] * z2 / z1, cornersZ2[1]);
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Assert.AreEqual(cornersZ1[2] * z2 / z1, cornersZ2[2]);
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Assert.AreEqual(cornersZ1[3] * z2 / z1, cornersZ2[3]);
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}
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}
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}
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#endif
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