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Improve switchable nodes handling by optimizer

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This commit is contained in:
Andrei Kortunov 2019-01-27 15:19:48 +04:00
parent 87598f9419
commit 03b71d3c30
2 changed files with 18 additions and 1 deletions
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17
components/sceneutil/optimizer.cpp
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@ -737,6 +737,20 @@ bool Optimizer::CombineStaticTransformsVisitor::removeTransforms(osg::Node* node
// RemoveEmptyNodes.
////////////////////////////////////////////////////////////////////////////
void Optimizer::RemoveEmptyNodesVisitor::apply(osg::Switch& switchNode)
{
// We should keep all switch child nodes since they reflect different switch states.
for (unsigned int i=0; i<switchNode.getNumChildren(); ++i)
traverse(*switchNode.getChild(i));
}
void Optimizer::RemoveEmptyNodesVisitor::apply(osg::LOD& lod)
{
// don't remove any direct children of the LOD because they are used to define each LOD level.
for (unsigned int i=0; i<lod.getNumChildren(); ++i)
traverse(*lod.getChild(i));
}
void Optimizer::RemoveEmptyNodesVisitor::apply(osg::Group& group)
{
if (group.getNumParents()>0)
@ -1856,7 +1870,8 @@ bool Optimizer::MergeGeometryVisitor::mergePrimitive(osg::DrawElementsUInt& lhs,
bool Optimizer::MergeGroupsVisitor::isOperationPermissible(osg::Group& node)
{
return !node.asTransform() &&
return !node.asSwitch() &&
!node.asTransform() &&
!node.getCullCallback() &&
!node.getEventCallback() &&
!node.getUpdateCallback() &&

2
components/sceneutil/optimizer.hpp
View File

@ -321,6 +321,8 @@ class Optimizer
BaseOptimizerVisitor(optimizer, REMOVE_REDUNDANT_NODES) {}
virtual void apply(osg::Group& group);
virtual void apply(osg::LOD& lod);
virtual void apply(osg::Switch& switchNode);
void removeEmptyNodes();