FGFS-4.1/OpenSceneGraph
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Integrated detailed near clipping plane calculation into osgUtil::CullVisitor,

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submitted by Sasa Bistroviae.
This commit is contained in:
Robert Osfield
2001-12-16 22:20:26 +00:00
parent 786dfea3c8
commit f5873a82c5
4 changed files with 521 additions and 20 deletions
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12
src/osgUtil/SceneView.cpp
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@@ -174,6 +174,11 @@ void SceneView::cull()
_cullVisitor->setViewport(_viewport.get());
_cullVisitor->setEarthSky(NULL); // reset earth sky on each frame.
// SandB
//now make it compute "clipping directions" needed for detailed culling
if(_cullVisitor->getDetailedCulling())
_cullVisitor->calcClippingDirections();//only once pre frame
_renderStage->reset();
_renderStage->setViewport(_viewport.get());
@@ -251,8 +256,11 @@ void SceneView::cull()
// if required clamp the near plane to prevent negative or near zero
// near planes.
float min_near_plane = _far_plane*0.0005f;
if (_near_plane<min_near_plane) _near_plane=min_near_plane;
if(!_cullVisitor->getDetailedCulling())
{
float min_near_plane = _far_plane*0.0005f;
if (_near_plane<min_near_plane) _near_plane=min_near_plane;
}
}
else
{