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https://git.dev.opencascade.org/repos/occt.git
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b7cd4ba795
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.
148 lines
5.2 KiB
C++
148 lines
5.2 KiB
C++
// Created on: 2011-10-20
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// Created by: Sergey ZERCHANINOV
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// Copyright (c) 2011-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <OpenGl_GraphicDriver.hxx>
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#include <NCollection_DataMap.hxx>
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#include <OpenGl_Structure.hxx>
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#include <OpenGl_CView.hxx>
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void OpenGl_GraphicDriver::DisplayStructure (const Graphic3d_CView& theCView,
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Graphic3d_CStructure& theCStructure,
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const Standard_Integer thePriority)
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{
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const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
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OpenGl_Structure* aStructure = (OpenGl_Structure* )&theCStructure;
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if (aCView == NULL)
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return;
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aCView->View->DisplayStructure (aStructure, thePriority);
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}
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void OpenGl_GraphicDriver::EraseStructure (const Graphic3d_CView& theCView,
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Graphic3d_CStructure& theCStructure)
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{
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const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
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OpenGl_Structure* aStructure = (OpenGl_Structure* )&theCStructure;
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if (aCView == NULL || aStructure == NULL)
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return;
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aCView->View->EraseStructure (aStructure);
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}
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void OpenGl_GraphicDriver::RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure)
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{
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OpenGl_Structure* aStructure = NULL;
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if (!myMapOfStructure.Find (theCStructure->Id, aStructure))
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{
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return;
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}
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myMapOfStructure.UnBind (theCStructure->Id);
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aStructure->Release (GetSharedContext());
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theCStructure.Nullify();
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}
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Handle(Graphic3d_CStructure) OpenGl_GraphicDriver::Structure (const Handle(Graphic3d_StructureManager)& theManager)
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{
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Handle(OpenGl_Structure) aStructure = new OpenGl_Structure (theManager);
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myMapOfStructure.Bind (aStructure->Id, aStructure.operator->());
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return aStructure;
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}
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//=======================================================================
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//function : ChangeZLayer
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//purpose :
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//=======================================================================
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void OpenGl_GraphicDriver::ChangeZLayer (const Graphic3d_CStructure& theCStructure,
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const Standard_Integer theLayer)
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{
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if (!myMapOfStructure.IsBound (theCStructure.Id))
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return;
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OpenGl_Structure* aStructure = myMapOfStructure.Find (theCStructure.Id);
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aStructure->SetZLayer (theLayer);
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}
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//=======================================================================
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//function : ChangeZLayer
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//purpose :
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//=======================================================================
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void OpenGl_GraphicDriver::ChangeZLayer (const Graphic3d_CStructure& theCStructure,
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const Graphic3d_CView& theCView,
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const Standard_Integer theNewLayerId)
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{
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const OpenGl_CView *aCView = (const OpenGl_CView *)theCView.ptrView;
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if (!myMapOfStructure.IsBound (theCStructure.Id) || !aCView)
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return;
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OpenGl_Structure* aStructure = myMapOfStructure.Find (theCStructure.Id);
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aCView->View->ChangeZLayer (aStructure, theNewLayerId);
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}
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//=======================================================================
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//function : GetZLayer
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//purpose :
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//=======================================================================
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Standard_Integer OpenGl_GraphicDriver::GetZLayer (const Graphic3d_CStructure& theCStructure) const
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{
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if (!myMapOfStructure.IsBound (theCStructure.Id))
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return -1;
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OpenGl_Structure* aStructure = myMapOfStructure.Find (theCStructure.Id);
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return aStructure->GetZLayer();
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}
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//=======================================================================
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//function : UnsetZLayer
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//purpose :
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//=======================================================================
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void OpenGl_GraphicDriver::UnsetZLayer (const Standard_Integer theLayerId)
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{
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NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure);
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for( ; aStructIt.More (); aStructIt.Next ())
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{
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OpenGl_Structure* aStruct = aStructIt.ChangeValue ();
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if (aStruct->GetZLayer () == theLayerId)
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aStruct->SetZLayer (0);
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}
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}
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//=======================================================================
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//function : ChangePriority
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//purpose :
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//=======================================================================
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void OpenGl_GraphicDriver::ChangePriority (const Graphic3d_CStructure& theCStructure,
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const Graphic3d_CView& theCView,
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const Standard_Integer theNewPriority)
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{
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const OpenGl_CView *aCView = (const OpenGl_CView *)theCView.ptrView;
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if (!myMapOfStructure.IsBound (theCStructure.Id) || !aCView)
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return;
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OpenGl_Structure* aStructure = myMapOfStructure.Find (theCStructure.Id);
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aCView->View->ChangePriority (aStructure, theNewPriority);
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}
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