FGFS-4.1/OpenSceneGraph
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Added catch for NaN depth values

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This commit is contained in:
Robert Osfield 2008-05-28 17:56:22 +00:00
parent 7c23951ee1
commit 4745ab040b
1 changed files with 12 additions and 1 deletions
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13
src/osgUtil/RenderBin.cpp
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@ -317,6 +317,8 @@ void RenderBin::copyLeavesFromStateGraphListToRenderLeafList()
_renderLeafList.reserve(totalsize);
bool detectedNaN = false;
// first copy all the leaves from the render graphs into the leaf list.
for(itr=_stateGraphList.begin();
itr!=_stateGraphList.end();
@ -326,10 +328,19 @@ void RenderBin::copyLeavesFromStateGraphListToRenderLeafList()
dw_itr != (*itr)->_leaves.end();
++dw_itr)
{
_renderLeafList.push_back(dw_itr->get());
if (!osg::isNaN((*dw_itr)->_depth))
{
_renderLeafList.push_back(dw_itr->get());
}
else
{
detectedNaN = true;
}
}
}
osg::notify(osg::NOTICE)<<"Warning: RenderBin::copyLeavesFromStateGraphListToRenderLeafList() detected NaN depth values, database may be corrupted."<<std::endl;
// empty the render graph list to prevent it being drawn along side the render leaf list (see drawImplementation.)
_stateGraphList.clear();
}