void QSGRenderer::removeNodesToPreprocess(QSGNode *node)
{
for (QSGNode *c = node->firstChild(); c; c = c->nextSibling())
removeNodesToPreprocess(c);
if (node->flags() & QSGNode::UsePreprocess)
m_nodes_to_preprocess.remove(node);
}
void QSGRenderer::nodeChanged(QSGNode *node, QSGNode::DirtyFlags flags)
{
Q_UNUSED(node);
Q_UNUSED(flags);
if (flags & QSGNode::DirtyNodeAdded)
addNodesToPreprocess(node);
if (flags & QSGNode::DirtyNodeRemoved)
removeNodesToPreprocess(node);
if (!m_changed_emitted && !m_is_rendering) {
// Premature overoptimization to avoid excessive signal emissions
m_changed_emitted = true;
emit sceneGraphChanged();
}
}
void QSGRenderer::nodeChanged(QSGNode *node, QSGNode::DirtyState state)
{
if (state & QSGNode::DirtyNodeAdded)
addNodesToPreprocess(node);
if (state & QSGNode::DirtyNodeRemoved)
removeNodesToPreprocess(node);
if (state & QSGNode::DirtyUsePreprocess) {
if (node->flags() & QSGNode::UsePreprocess)
m_nodes_to_preprocess.insert(node);
else
m_nodes_to_preprocess.remove(node);
}
if (!m_changed_emitted && !m_is_rendering) {
// Premature overoptimization to avoid excessive signal emissions
m_changed_emitted = true;
emit sceneGraphChanged();
}
}
