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render one frame per thread for increased parallelism

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If the nodes are now stateless, there's nothing stopping the renderer from
rendering multiple frames at once. Earlier since the nodes held some of their
input/output data (and that data could change per frame), it was not possible
to render multiple frames at once without conflicts. Now that the node state is
held in render threads, they can do whatever they want at any time.
This commit is contained in:
itsmattkc
2019-12-06 15:37:31 +11:00
parent 33f73e0e90
commit 5227e10f39
29 changed files with 201 additions and 182 deletions
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app/node/param.cpp
+9 -5
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@@ -103,7 +103,7 @@ void NodeParam::DisconnectAll()
}
}
NodeEdgePtr NodeParam::ConnectEdge(NodeOutput *output, NodeInput *input)
NodeEdgePtr NodeParam::ConnectEdge(NodeOutput *output, NodeInput *input, bool lock)
{
// If the input can only accept one input (the default) and has one already, disconnect it
DisconnectForNewOutput(input);
@@ -127,14 +127,18 @@ NodeEdgePtr NodeParam::ConnectEdge(NodeOutput *output, NodeInput *input)
// that's difficult to diagnose. This makes that issue very clear.
Q_ASSERT(output->parentNode() != input->parentNode());
output->parentNode()->LockUserInput();
input->parentNode()->LockUserInput();
if (lock) {
output->parentNode()->LockUserInput();
input->parentNode()->LockUserInput();
}
output->edges_.append(edge);
input->edges_.append(edge);
output->parentNode()->UnlockUserInput();
input->parentNode()->UnlockUserInput();
if (lock) {
output->parentNode()->UnlockUserInput();
input->parentNode()->UnlockUserInput();
}
// Emit a signal than an edge was added (only one signal needs emitting)
emit input->EdgeAdded(edge);