public Vector3 GetHMDPosition(VarjoPlugin.PoseType type)
{
VarjoPlugin.Matrix matrix;
GetPose(type, out matrix);
var unityView = VarjoMatrixUtils.WorldMatrixToUnity(matrix.value);
return(unityView.GetColumn(3));
}
public Quaternion GetHMDOrientation(VarjoPlugin.PoseType type)
{
VarjoPlugin.Matrix matrix;
GetPose(type, out matrix);
var unityView = VarjoMatrixUtils.WorldMatrixToUnity(matrix.value);
return(Quaternion.LookRotation(unityView.GetColumn(2), unityView.GetColumn(1)));
}
public void UpdateFromManager()
{
if (!VarjoPlugin.SessionValid)
{
return;
}
if (varjoCamera != null && !blitCBInjected)
{
// Hook up blit to screen
cameraBlitCB = new CommandBuffer();
cameraBlitCB.name = "Varjo Layer blit to screen";
if (flipY)
{
cameraBlitCB.Blit(GetRenderTextureForCamera(VarjoViewCamera.CAMERA_ID.CONTEXT_LEFT), BuiltinRenderTextureType.CameraTarget, new Vector2(contextDisplayFactor, contextDisplayFactor), new Vector2(0.0f, 1.0f - contextDisplayFactor));
}
else
{
cameraBlitCB.Blit(GetRenderTextureForCamera(VarjoViewCamera.CAMERA_ID.CONTEXT_LEFT), BuiltinRenderTextureType.CameraTarget, new Vector2(contextDisplayFactor, -1.0f * contextDisplayFactor), new Vector2(0.0f, contextDisplayFactor));
}
varjoCamera.AddCommandBuffer(CameraEvent.AfterImageEffects, cameraBlitCB);
blitCBInjected = true;
}
if (!faceLocked)
{
VarjoPlugin.Matrix matrix;
Profiler.BeginSample("Varjo.GetFramePose");
VarjoManager.Instance.GetPose(VarjoPlugin.PoseType.CENTER, out matrix);
Profiler.EndSample();
var worldMatrix = VarjoMatrixUtils.WorldMatrixToUnity(matrix.value);
HeadTransform.localPosition = worldMatrix.GetColumn(3);
HeadTransform.localRotation = Quaternion.LookRotation(worldMatrix.GetColumn(2), worldMatrix.GetColumn(1));
}
foreach (var cam in viewportCameras)
{
cam.UpdateFromLayer();
}
}
public void UpdateFromLayer()
{
VerifyCamera();
VarjoPlugin.PoseType pose = (CameraId == CAMERA_ID.CONTEXT_LEFT || CameraId == CAMERA_ID.FOCUS_LEFT) ? VarjoPlugin.PoseType.LEFT_EYE : VarjoPlugin.PoseType.RIGHT_EYE;
VarjoPlugin.Matrix centerPoseVRJ, eyePoseVRJ;
VarjoManager.Instance.GetPose(VarjoPlugin.PoseType.CENTER, out centerPoseVRJ);
VarjoManager.Instance.GetPose(pose, out eyePoseVRJ);
var centerPose = VarjoMatrixUtils.WorldMatrixToUnity(centerPoseVRJ.value);
var eyePose = VarjoMatrixUtils.WorldMatrixToUnity(eyePoseVRJ.value);
var centerPoseInv = centerPose.inverse;
var worldMatrix = centerPoseInv * eyePose;
// TODO: for the first few frames we can receive invalid data which causes annoying debug log output.
// Let's just do a quick and dirty validation and skip the buffer info if the data doesn't seem to be correct.
for (int i = 0; i < 16; i++)
{
if (float.IsNaN(worldMatrix[i]))
{
Debug.Log("Received invalid data.");
return;
}
}
transform.localPosition = worldMatrix.GetColumn(3);
transform.localRotation = Quaternion.LookRotation(worldMatrix.GetColumn(2), worldMatrix.GetColumn(1));
var viewInfo = VarjoManager.Instance.GetViewInfo((int)CameraId);
viewInfo.projectionMatrix.CopyTo(m_SubmissionProjMatrix, 0);
viewInfo.invViewMatrix.CopyTo(m_SubmissionViewMatrix, 0);
// Plug the near and far clip values to the submission projection matrix as well, for depth reconstruction
float near = cam.nearClipPlane;
float far = cam.farClipPlane;
m_SubmissionProjMatrix[2 * 4 + 2] = -far / (near - far) - 1;
m_SubmissionProjMatrix[3 * 4 + 2] = -(far * near) / (near - far);
cam.usePhysicalProperties = true;
var projMat = VarjoMatrixUtils.ProjectionMatrixToUnity(viewInfo.projectionMatrix, near, far);
float aspect = projMat.m11 / projMat.m00;
cam.sensorSize = new Vector2(cam.sensorSize.x, cam.sensorSize.x / aspect);
// Calculate FOV and shift
float t = projMat.m11;
const float Rad2Deg = 180.0f / (float)Math.PI;
float fov = ((float)Math.Atan(1.0f / t)) * 2.0f * Rad2Deg;
if (m_Owner.flipY)
{
projMat.m12 *= -1.0f;
}
float lensX = projMat.m02 / 2.0f;
float lensY = projMat.m12 / 2.0f;
cam.fieldOfView = fov;
cam.lensShift = new Vector2(lensX, lensY);
#if UNITY_2018_3_OR_NEWER
cam.gateFit = Camera.GateFitMode.None;
#else
// Pre-2018.3, we couldn't get exact 1:1 match with the projection matrix by tweaking camera parameters, so override the matrix directly
cam.projectionMatrix = projMat;
#endif
if (m_Owner.useOcclusionMesh && (m_OcclusionMesh != null))
{
// Draw the occlusion mesh; move it to the camera near plane so that it won't get frustum culled.
Matrix4x4 occMeshMtx = new Matrix4x4();
occMeshMtx.SetTRS(new Vector3(0.0f, 0.0f, cam.nearClipPlane), Quaternion.identity, Vector3.one);
occMeshMtx = transform.localToWorldMatrix * occMeshMtx;
Graphics.DrawMesh(m_OcclusionMesh, occMeshMtx, m_Owner.occlusionMaterial, 0, cam);
}
}
