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OpenXrDisplayPlugin: Use view space eye positions.

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Use view orientation for eye offset.
This commit is contained in:
Lubosz Sarnecki 2024-03-06 23:07:18 +01:00
parent 86a71b589b
commit 7ae59eb5dc
1 changed files with 21 additions and 3 deletions
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24
plugins/openxr/src/OpenXrDisplayPlugin.cpp
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@ -349,6 +349,24 @@ void OpenXrDisplayPlugin::compositeLayers() {
_context->beginFrame();
std::vector<XrView> eye_views(_viewCount);
for (uint32_t i = 0; i < _viewCount; i++) {
eye_views[i].type = XR_TYPE_VIEW;
}
XrViewLocateInfo eyeViewLocateInfo = {
.type = XR_TYPE_VIEW_LOCATE_INFO,
.viewConfigurationType = XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO,
.displayTime = _lastFrameState.predictedDisplayTime,
.space = _context->_viewSpace,
};
XrViewState eyeViewState = { .type = XR_TYPE_VIEW_STATE };
result = xrLocateViews(_context->_session, &eyeViewLocateInfo, &eyeViewState, _viewCount, &_viewCount, eye_views.data());
if (!xrCheck(_context->_instance, result, "Could not locate views"))
return;
_lastViewState = { .type = XR_TYPE_VIEW_STATE };
XrViewLocateInfo viewLocateInfo = {
@ -378,9 +396,9 @@ void OpenXrDisplayPlugin::compositeLayers() {
// qCDebug(xr_display_cat, "Head position: %s", glm::to_string(headPosition).c_str());
for (uint32_t i = 0; i < 2; i++) {
vec3 eyePosition = xrVecToGlm(_views[i].pose.position);
vec3 eyeToHeadVec = headPosition - eyePosition;
mat4 eyeToHeadMat = glm::translate(eyeToHeadVec);
vec3 eyePosition = xrVecToGlm(eye_views[i].pose.position);
quat eyeOrientation = xrQuatToGlm(eye_views[i].pose.orientation);
mat4 eyeToHeadMat = controller::Pose(eyePosition, eyeOrientation).getMatrix();
_eyeOffsets[i] = eyeToHeadMat;
// qCDebug(xr_display_cat, "Eye %d position: %s", i, glm::to_string(eyePosition).c_str());
}