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0024307: TKOpenGl - efficient culling of large number of presentations

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Implement SAT intersection tests and frustum culling algorithm using BVH trees.

New Draw command vfrustumculling to manage frustum culling.
Add test cases bugs/vis/bug24307_1 and bugs/vis/bug24307_2.
Remove CALL_DEF_BOUNDBOX and CALL_DEF_BOUNDS.
This commit is contained in:
vpa
2014-06-20 11:26:14 +04:00
committed by apn
parent c1c1aefa71
commit b7cd4ba795
53 changed files with 1885 additions and 538 deletions
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5
src/PrsMgr/PrsMgr_Presentation.cxx
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@@ -52,6 +52,7 @@ PrsMgr_Presentation::PrsMgr_Presentation (const Handle(PrsMgr_PresentationManage
myStructure = new PrsMgr_Prs (thePrsMgr->StructureManager(),
this, thePrsObject->TypeOfPresentation3d());
myStructure->SetOwner (myPresentableObject);
myStructure->SetMutable (myPresentableObject->IsMutable());
}
//=======================================================================
@@ -68,15 +69,17 @@ void PrsMgr_Presentation::Display()
//function : Display
//purpose :
//=======================================================================
void PrsMgr_Presentation::Display (const Standard_Boolean /*theIsHighlight*/)
void PrsMgr_Presentation::Display (const Standard_Boolean theIsHighlight)
{
if (!myStructure->IsDisplayed())
{
myStructure->SetIsForHighlight (theIsHighlight);
myStructure->Display();
}
else if (!myStructure->IsVisible())
{
SetVisible (Standard_True);
myStructure->SetIsForHighlight (theIsHighlight);
}
}