Method setViewport

valdi/src/valdi/runtime/Context/ViewNodeTree.cpp:333–339

}

void ViewNodeTree::setViewport(std::optional<Frame> viewport) {
    auto lockGuard = lock();
    if (_viewport != viewport) {
        _viewport = viewport;
        schedulePerformUpdates();
    }
}

std::optional<Frame> ViewNodeTree::getViewport() const {
    auto lockGuard = lock();