bool checkMinSpecImpl() {
// If OpenVR isn't supported, we have no min spec, so pass
if (!openVrSupported()) {
return true;
}
// If we have at least MIN_CORES_SPEC cores, pass
auto coreCount = QThread::idealThreadCount();
if (coreCount >= MIN_CORES_SPEC) {
return true;
}
// Even if we have too few cores... if the compositor is using async reprojection, pass
auto system = acquireOpenVrSystem();
auto compositor = vr::VRCompositor();
if (system && compositor) {
vr::Compositor_FrameTiming timing;
memset(&timing, 0, sizeof(timing));
timing.m_nSize = sizeof(vr::Compositor_FrameTiming);
compositor->GetFrameTiming(&timing);
releaseOpenVrSystem();
if (timing.m_nReprojectionFlags & VRCompositor_ReprojectionAsync) {
return true;
}
}
// We're using OpenVR and we don't have enough cores...
showMinSpecWarning();
return false;
}
void OpenVrDisplayPlugin::internalDeactivate() {
Parent::internalDeactivate();
_container->setIsOptionChecked(StandingHMDSensorMode, false);
if (_system) {
releaseOpenVrSystem();
_system = nullptr;
}
_compositor = nullptr;
}
void OpenVrDisplayPlugin::deactivate() {
_container->setIsOptionChecked(StandingHMDSensorMode, false);
if (_hmd) {
releaseOpenVrSystem();
_hmd = nullptr;
}
_compositor = nullptr;
WindowOpenGLDisplayPlugin::deactivate();
}
bool OpenVrDisplayPlugin::isSupported() const {
auto hmd = acquireOpenVrSystem();
bool success = nullptr != hmd;
releaseOpenVrSystem();
return success;
}
