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node: send invalidatevisible signal through graph

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When dragging a value in the UI, we use a "single frame update" because we want
to prioritize the currently visible frame to give visual feedback as soon as
possible. Previously, we generated a single frame InvalidateCache() signal
from the widgets themselves, but this had the major downside of not necessarily
emitting the time that the viewer was actually showing (due to either node time
transformations or times differing between the effects panels and the viewer
panels). Now, we send a different signal that viewers can handle themselves to
update the time that they're currently showing. This means the fast updating
will work no matter how many viewers are connected at whatever time each viewer
is set to.
This commit is contained in:
itsmattkc
2020-01-26 14:16:22 +11:00
parent ce17d94b12
commit 0469fac4a9
8 changed files with 53 additions and 9 deletions
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app/node/node.cpp
+13
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@@ -150,6 +150,19 @@ void Node::InvalidateCache(const rational &start_range, const rational &end_rang
SendInvalidateCache(start_range, end_range);
}
void Node::InvalidateVisible(NodeInput *from)
{
Q_UNUSED(from)
foreach (NodeParam* param, params_) {
if (param->type() == NodeParam::kOutput) {
foreach (NodeEdgePtr edge, param->edges()) {
edge->input()->parentNode()->InvalidateVisible(edge->input());
}
}
}
}
TimeRange Node::InputTimeAdjustment(NodeInput *input, const TimeRange &input_time) const
{
// Default behavior is no time adjustment at all