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Analyze only used LOD levels in ObjectPaging

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This commit is contained in:
Andrei Kortunov 2021-05-09 15:43:13 +04:00
parent a939cb6692
commit 132fedf290
1 changed files with 19 additions and 0 deletions
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19
apps/openmw/mwrender/objectpaging.cpp
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@ -271,6 +271,7 @@ namespace MWRender
AnalyzeVisitor(osg::Node::NodeMask analyzeMask)
: osg::NodeVisitor(TRAVERSE_ALL_CHILDREN)
, mCurrentStateSet(nullptr)
, mCurrentDistance(0.f)
, mAnalyzeMask(analyzeMask) {}
typedef std::unordered_map<osg::StateSet*, unsigned int> StateSetCounter;
@ -287,6 +288,22 @@ namespace MWRender
if (node.getStateSet())
mCurrentStateSet = node.getStateSet();
if (osg::Switch* sw = node.asSwitch())
{
for (unsigned int i=0; i<sw->getNumChildren(); ++i)
if (sw->getValue(i))
traverse(*sw->getChild(i));
return;
}
if (osg::LOD* lod = dynamic_cast<osg::LOD*>(&node))
{
for (unsigned int i=0; i<lod->getNumChildren(); ++i)
if (lod->getMinRange(i) * lod->getMinRange(i) <= mCurrentDistance && mCurrentDistance < lod->getMaxRange(i) * lod->getMaxRange(i))
traverse(*lod->getChild(i));
return;
}
traverse(node);
}
void apply(osg::Geometry& geom) override
@ -327,6 +344,7 @@ namespace MWRender
Result mResult;
osg::StateSet* mCurrentStateSet;
StateSetCounter mGlobalStateSetCounter;
float mCurrentDistance;
osg::Node::NodeMask mAnalyzeMask;
};
@ -530,6 +548,7 @@ namespace MWRender
continue;
}
analyzeVisitor.mCurrentDistance = dSqr;
auto emplaced = nodes.emplace(cnode, InstanceList());
if (emplaced.second)
{