public OVRSandwichComposition(GameObject parentObject, Camera mainCamera, OVRManager.CameraDevice cameraDevice, bool useDynamicLighting, OVRManager.DepthQuality depthQuality)
: base(cameraDevice, useDynamicLighting, depthQuality)
{
frameRealtime = Time.realtimeSinceStartup;
historyRecordCount = OVRManager.instance.sandwichCompositionBufferedFrames;
if (historyRecordCount < 1)
{
Debug.LogWarning("Invalid sandwichCompositionBufferedFrames in OVRManager. It should be at least 1");
historyRecordCount = 1;
}
if (historyRecordCount > 16)
{
Debug.LogWarning("The value of sandwichCompositionBufferedFrames in OVRManager is too big. It would consume a lot of memory. It has been override to 16");
historyRecordCount = 16;
}
historyRecordArray = new HistoryRecord[historyRecordCount];
for (int i = 0; i < historyRecordCount; ++i)
{
historyRecordArray[i] = new HistoryRecord();
}
historyRecordCursorIndex = 0;
GameObject fgObject = new GameObject("MRSandwichForegroundCamera");
fgObject.transform.parent = parentObject.transform;
fgCamera = fgObject.AddComponent <Camera>();
fgCamera.depth = 200;
fgCamera.clearFlags = CameraClearFlags.SolidColor;
fgCamera.backgroundColor = Color.clear;
fgCamera.cullingMask = mainCamera.cullingMask & (~OVRManager.instance.extraHiddenLayers);
fgCamera.nearClipPlane = mainCamera.nearClipPlane;
fgCamera.farClipPlane = mainCamera.farClipPlane;
GameObject bgObject = new GameObject("MRSandwichBackgroundCamera");
bgObject.transform.parent = parentObject.transform;
bgCamera = bgObject.AddComponent <Camera>();
bgCamera.depth = 100;
bgCamera.clearFlags = mainCamera.clearFlags;
bgCamera.backgroundColor = mainCamera.backgroundColor;
bgCamera.cullingMask = mainCamera.cullingMask & (~OVRManager.instance.extraHiddenLayers);
bgCamera.nearClipPlane = mainCamera.nearClipPlane;
bgCamera.farClipPlane = mainCamera.farClipPlane;
// Create cameraProxyPlane for clipping
Debug.Assert(cameraProxyPlane == null);
cameraProxyPlane = GameObject.CreatePrimitive(PrimitiveType.Quad);
cameraProxyPlane.name = "MRProxyClipPlane";
cameraProxyPlane.transform.parent = parentObject.transform;
cameraProxyPlane.GetComponent <Collider>().enabled = false;
cameraProxyPlane.GetComponent <MeshRenderer>().shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
Material clipMaterial = new Material(Shader.Find("Oculus/OVRMRClipPlane"));
cameraProxyPlane.GetComponent <MeshRenderer>().material = clipMaterial;
clipMaterial.SetColor("_Color", Color.clear);
clipMaterial.SetFloat("_Visible", 0.0f);
cameraProxyPlane.transform.localScale = new Vector3(1000, 1000, 1000);
cameraProxyPlane.SetActive(true);
OVRMRForegroundCameraManager foregroundCameraManager = fgCamera.gameObject.AddComponent <OVRMRForegroundCameraManager>();
foregroundCameraManager.clipPlaneGameObj = cameraProxyPlane;
GameObject compositionCameraObject = new GameObject("MRSandwichCaptureCamera");
compositionCameraObject.transform.parent = parentObject.transform;
compositionCamera = compositionCameraObject.AddComponent <Camera>();
compositionCamera.stereoTargetEye = StereoTargetEyeMask.None;
compositionCamera.depth = float.MaxValue;
compositionCamera.rect = new Rect(0.0f, 0.0f, 1.0f, 1.0f);
compositionCamera.clearFlags = CameraClearFlags.Depth;
compositionCamera.backgroundColor = mainCamera.backgroundColor;
compositionCamera.cullingMask = 1 << cameraFramePlaneLayer;
compositionCamera.nearClipPlane = mainCamera.nearClipPlane;
compositionCamera.farClipPlane = mainCamera.farClipPlane;
if (!hasCameraDeviceOpened)
{
Debug.LogError("Unable to open camera device " + cameraDevice);
}
else
{
Debug.Log("SandwichComposition activated : useDynamicLighting " + (useDynamicLighting ? "ON" : "OFF"));
CreateCameraFramePlaneObject(parentObject, compositionCamera, useDynamicLighting);
cameraFramePlaneObject.layer = cameraFramePlaneLayer;
RefreshRenderTextures(mainCamera);
compositionManager = compositionCamera.gameObject.AddComponent <OVRSandwichCompositionManager>();
compositionManager.fgTexture = historyRecordArray[historyRecordCursorIndex].fgRenderTexture;
compositionManager.bgTexture = historyRecordArray[historyRecordCursorIndex].bgRenderTexture;
}
}
public override void Update(Camera mainCamera)
{
if (!hasCameraDeviceOpened)
{
return;
}
frameRealtime = Time.realtimeSinceStartup;
++historyRecordCursorIndex;
if (historyRecordCursorIndex >= historyRecordCount)
{
historyRecordCursorIndex = 0;
}
if (!OVRPlugin.SetHandNodePoseStateLatency(OVRManager.instance.handPoseStateLatency))
{
Debug.LogWarning("HandPoseStateLatency is invalid. Expect a value between 0.0 to 0.5, get " + OVRManager.instance.handPoseStateLatency);
}
RefreshRenderTextures(mainCamera);
bgCamera.clearFlags = mainCamera.clearFlags;
bgCamera.backgroundColor = mainCamera.backgroundColor;
bgCamera.cullingMask = mainCamera.cullingMask & (~OVRManager.instance.extraHiddenLayers);
fgCamera.cullingMask = mainCamera.cullingMask & (~OVRManager.instance.extraHiddenLayers);
if (OVRMixedReality.useFakeExternalCamera || OVRPlugin.GetExternalCameraCount() == 0)
{
OVRPose worldSpacePose = new OVRPose();
OVRPose trackingSpacePose = new OVRPose();
trackingSpacePose.position = OVRMixedReality.fakeCameraPositon;
trackingSpacePose.orientation = OVRMixedReality.fakeCameraRotation;
worldSpacePose = OVRExtensions.ToWorldSpacePose(trackingSpacePose);
RefreshCameraPoses(OVRMixedReality.fakeCameraFov, OVRMixedReality.fakeCameraAspect, worldSpacePose);
}
else
{
OVRPlugin.CameraExtrinsics extrinsics;
OVRPlugin.CameraIntrinsics intrinsics;
// So far, only support 1 camera for MR and always use camera index 0
if (OVRPlugin.GetMixedRealityCameraInfo(0, out extrinsics, out intrinsics))
{
OVRPose worldSpacePose = ComputeCameraWorldSpacePose(extrinsics);
float fovY = Mathf.Atan(intrinsics.FOVPort.UpTan) * Mathf.Rad2Deg * 2;
float aspect = intrinsics.FOVPort.LeftTan / intrinsics.FOVPort.UpTan;
RefreshCameraPoses(fovY, aspect, worldSpacePose);
}
else
{
Debug.LogWarning("Failed to get external camera information");
}
}
compositionCamera.GetComponent <OVRCameraFrameCompositionManager>().boundaryMeshMaskTexture = historyRecordArray[historyRecordCursorIndex].boundaryMeshMaskTexture;
HistoryRecord record = GetHistoryRecordForComposition();
UpdateCameraFramePlaneObject(mainCamera, compositionCamera, record.boundaryMeshMaskTexture);
OVRSandwichCompositionManager compositionManager = compositionCamera.gameObject.GetComponent <OVRSandwichCompositionManager>();
compositionManager.fgTexture = record.fgRenderTexture;
compositionManager.bgTexture = record.bgRenderTexture;
cameraProxyPlane.transform.position = fgCamera.transform.position + fgCamera.transform.forward * cameraFramePlaneDistance;
cameraProxyPlane.transform.LookAt(cameraProxyPlane.transform.position + fgCamera.transform.forward);
}
