The open source OpenXR runtime
d/steamvr_lh: disable prediction for skeletal input
+4
-19
+4
-19
src/xrt/drivers/steamvr_lh/device.cpp
+4
-19
src/xrt/drivers/steamvr_lh/device.cpp
···
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const auto it = std::ranges::lower_bound(joint_history, desired_timestamp_ns, {},
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[](const JointsWithTimestamp &joint) { return joint.timestamp; });
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auto predict_joint_set = [out_value, out_timestamp_ns,
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desired_timestamp_ns](const JointsWithTimestamp &joints) {
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out_value->is_active = joints.joint_set.is_active;
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int64_t delta_ns = desired_timestamp_ns - joints.timestamp;
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double delta_s = time_ns_to_s(delta_ns);
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*out_timestamp_ns = desired_timestamp_ns;
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m_predict_relation(&joints.joint_set.hand_pose, delta_s, &out_value->hand_pose);
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for (int i = 0; i < XRT_HAND_JOINT_COUNT; i++) {
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auto &new_joint = joints.joint_set.values.hand_joint_set_default[i];
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auto &interp_joint = out_value->values.hand_joint_set_default[i];
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m_predict_relation(&new_joint.relation, delta_s, &interp_joint.relation);
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interp_joint.radius = new_joint.radius;
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}
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};
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if (it == joint_history.end()) {
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// Timestamp is newer than anything in history
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predict_joint_set(joint_history.back());
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+
*out_value = joint_history.back().joint_set;
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+
*out_timestamp_ns = it->timestamp;
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} else if (desired_timestamp_ns == it->timestamp) {
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*out_value = it->joint_set;
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*out_timestamp_ns = it->timestamp;
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} else if (it == joint_history.begin()) {
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// Timestamp is older than anything in history
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predict_joint_set(joint_history.front());
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*out_value = joint_history.front().joint_set;
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*out_timestamp_ns = it->timestamp;
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} else {
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// Interpolate
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auto it_previous = it - 1;