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1c728f2d6d
V3d_Viewer::AddZLayer() has been replaced by V3d_Viewer::InsertLayerBefore() and V3d_Viewer::InsertLayerAfter() methods allowing to specify Layer settings and index of existing layer to insert new one before/after. The behavior of V3d_Viewer::AddZLayer() has been adjusted to append new Layer before Graphic3d_ZLayerId_Top (between Graphic3d_ZLayerId_Default and Graphic3d_ZLayerId_Top). Graphic3d_Layer now provides LayerId() property. Graphic3d_ZLayerSettings has been extended with IsRaytracable() property; Ray-Tracing now processes multiple layers instead of Graphic3d_ZLayerId_Default. Moved some methods from OpenGl_View to the base class Graphic3d_CView.
284 lines
11 KiB
C++
284 lines
11 KiB
C++
// Created on: 1997-01-28
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// Created by: CAL
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 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 <Graphic3d_GraphicDriver.hxx>
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#include <Graphic3d_Layer.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_GraphicDriver,Standard_Transient)
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// =======================================================================
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// function : Graphic3d_GraphicDriver
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// purpose :
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// =======================================================================
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Graphic3d_GraphicDriver::Graphic3d_GraphicDriver (const Handle(Aspect_DisplayConnection)& theDisp)
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: myDisplayConnection (theDisp)
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{
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// default layers are always presented in display layer sequence and cannot be removed
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{
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Graphic3d_ZLayerSettings aSettings;
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aSettings.SetName ("UNDERLAY");
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aSettings.SetImmediate (Standard_False);
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aSettings.SetRaytracable (Standard_False);
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aSettings.SetEnvironmentTexture (Standard_False);
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aSettings.SetEnableDepthTest (Standard_False);
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aSettings.SetEnableDepthWrite (Standard_False);
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aSettings.SetClearDepth (Standard_False);
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aSettings.SetPolygonOffset (Graphic3d_PolygonOffset());
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Handle(Graphic3d_Layer) aLayer = new Graphic3d_Layer (Graphic3d_ZLayerId_BotOSD, 1, Handle(Select3D_BVHBuilder3d)());
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aLayer->SetLayerSettings (aSettings);
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myLayers.Append (aLayer);
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myLayerIds.Bind (aLayer->LayerId(), aLayer);
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}
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{
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Graphic3d_ZLayerSettings aSettings;
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aSettings.SetName ("DEFAULT");
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aSettings.SetImmediate (Standard_False);
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aSettings.SetRaytracable (Standard_True);
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aSettings.SetEnvironmentTexture (Standard_True);
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aSettings.SetEnableDepthTest (Standard_True);
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aSettings.SetEnableDepthWrite (Standard_True);
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aSettings.SetClearDepth (Standard_False);
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aSettings.SetPolygonOffset (Graphic3d_PolygonOffset());
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Handle(Graphic3d_Layer) aLayer = new Graphic3d_Layer (Graphic3d_ZLayerId_Default, 1, Handle(Select3D_BVHBuilder3d)());
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aLayer->SetLayerSettings (aSettings);
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myLayers.Append (aLayer);
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myLayerIds.Bind (aLayer->LayerId(), aLayer);
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}
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{
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Graphic3d_ZLayerSettings aSettings;
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aSettings.SetName ("TOP");
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aSettings.SetImmediate (Standard_True);
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aSettings.SetRaytracable (Standard_False);
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aSettings.SetEnvironmentTexture (Standard_True);
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aSettings.SetEnableDepthTest (Standard_True);
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aSettings.SetEnableDepthWrite (Standard_True);
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aSettings.SetClearDepth (Standard_False);
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aSettings.SetPolygonOffset (Graphic3d_PolygonOffset());
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Handle(Graphic3d_Layer) aLayer = new Graphic3d_Layer (Graphic3d_ZLayerId_Top, 1, Handle(Select3D_BVHBuilder3d)());
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aLayer->SetLayerSettings (aSettings);
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myLayers.Append (aLayer);
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myLayerIds.Bind (aLayer->LayerId(), aLayer);
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}
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{
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Graphic3d_ZLayerSettings aSettings;
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aSettings.SetName ("TOPMOST");
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aSettings.SetImmediate (Standard_True);
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aSettings.SetRaytracable (Standard_False);
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aSettings.SetEnvironmentTexture (Standard_True);
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aSettings.SetEnableDepthTest (Standard_True);
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aSettings.SetEnableDepthWrite (Standard_True);
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aSettings.SetClearDepth (Standard_True);
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aSettings.SetPolygonOffset (Graphic3d_PolygonOffset());
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Handle(Graphic3d_Layer) aLayer = new Graphic3d_Layer (Graphic3d_ZLayerId_Topmost, 1, Handle(Select3D_BVHBuilder3d)());
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aLayer->SetLayerSettings (aSettings);
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myLayers.Append (aLayer);
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myLayerIds.Bind (aLayer->LayerId(), aLayer);
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}
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{
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Graphic3d_ZLayerSettings aSettings;
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aSettings.SetName ("OVERLAY");
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aSettings.SetImmediate (Standard_True);
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aSettings.SetRaytracable (Standard_False);
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aSettings.SetEnvironmentTexture (Standard_False);
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aSettings.SetEnableDepthTest (Standard_False);
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aSettings.SetEnableDepthWrite (Standard_False);
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aSettings.SetClearDepth (Standard_False);
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aSettings.SetPolygonOffset (Graphic3d_PolygonOffset());
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Handle(Graphic3d_Layer) aLayer = new Graphic3d_Layer (Graphic3d_ZLayerId_TopOSD, 1, Handle(Select3D_BVHBuilder3d)());
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aLayer->SetLayerSettings (aSettings);
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myLayers.Append (aLayer);
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myLayerIds.Bind (aLayer->LayerId(), aLayer);
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}
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}
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// =======================================================================
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// function : GetDisplayConnection
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// purpose :
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// =======================================================================
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const Handle(Aspect_DisplayConnection)& Graphic3d_GraphicDriver::GetDisplayConnection() const
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{
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return myDisplayConnection;
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}
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// =======================================================================
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// function : NewIdentification
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// purpose :
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// =======================================================================
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Standard_Integer Graphic3d_GraphicDriver::NewIdentification()
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{
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return myStructGenId.Next();
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}
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// =======================================================================
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// function : RemoveIdentification
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// purpose :
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// =======================================================================
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void Graphic3d_GraphicDriver::RemoveIdentification(const Standard_Integer theId)
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{
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myStructGenId.Free(theId);
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}
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//=======================================================================
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//function : ZLayerSettings
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//purpose :
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//=======================================================================
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const Graphic3d_ZLayerSettings& Graphic3d_GraphicDriver::ZLayerSettings (const Graphic3d_ZLayerId theLayerId) const
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{
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const Handle(Graphic3d_Layer)* aLayer = myLayerIds.Seek (theLayerId);
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if (aLayer == NULL)
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{
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throw Standard_OutOfRange ("Graphic3d_GraphicDriver::ZLayerSettings, Layer with theLayerId does not exist");
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}
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return (*aLayer)->LayerSettings();
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}
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//=======================================================================
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//function : ZLayers
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//purpose :
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//=======================================================================
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void Graphic3d_GraphicDriver::ZLayers (TColStd_SequenceOfInteger& theLayerSeq) const
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{
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theLayerSeq.Clear();
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// append normal layers
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for (NCollection_List<Handle(Graphic3d_Layer)>::Iterator aLayerIter (myLayers); aLayerIter.More(); aLayerIter.Next())
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{
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const Handle(Graphic3d_Layer)& aLayer = aLayerIter.Value();
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if (!aLayer->IsImmediate())
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{
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theLayerSeq.Append (aLayer->LayerId());
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}
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}
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// append immediate layers
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for (NCollection_List<Handle(Graphic3d_Layer)>::Iterator aLayerIter (myLayers); aLayerIter.More(); aLayerIter.Next())
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{
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const Handle(Graphic3d_Layer)& aLayer = aLayerIter.Value();
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if (aLayer->IsImmediate())
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{
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theLayerSeq.Append (aLayer->LayerId());
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}
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}
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}
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//=======================================================================
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//function : InsertLayerBefore
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//purpose :
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//=======================================================================
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void Graphic3d_GraphicDriver::InsertLayerBefore (const Graphic3d_ZLayerId theNewLayerId,
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const Graphic3d_ZLayerSettings& theSettings,
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const Graphic3d_ZLayerId theLayerAfter)
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{
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Standard_ASSERT_RAISE (theNewLayerId > 0,
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"Graphic3d_GraphicDriver::InsertLayerBefore, negative and zero IDs are reserved");
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Standard_ASSERT_RAISE (!myLayerIds.IsBound (theNewLayerId),
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"Graphic3d_GraphicDriver::InsertLayerBefore, Layer with theLayerId already exists");
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Handle(Graphic3d_Layer) aNewLayer = new Graphic3d_Layer (theNewLayerId, 1, Handle(Select3D_BVHBuilder3d)());
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aNewLayer->SetLayerSettings (theSettings);
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Handle(Graphic3d_Layer) anOtherLayer;
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if (theLayerAfter != Graphic3d_ZLayerId_UNKNOWN
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&& myLayerIds.Find (theLayerAfter, anOtherLayer))
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{
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for (NCollection_List<Handle(Graphic3d_Layer)>::Iterator aLayerIter (myLayers); aLayerIter.More(); aLayerIter.Next())
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{
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if (aLayerIter.Value() == anOtherLayer)
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{
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myLayers.InsertBefore (aNewLayer, aLayerIter);
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break;
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}
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}
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}
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else
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{
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myLayers.Prepend (aNewLayer);
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}
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myLayerIds.Bind (theNewLayerId, aNewLayer);
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}
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//=======================================================================
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//function : InsertLayerAfter
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//purpose :
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//=======================================================================
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void Graphic3d_GraphicDriver::InsertLayerAfter (const Graphic3d_ZLayerId theNewLayerId,
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const Graphic3d_ZLayerSettings& theSettings,
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const Graphic3d_ZLayerId theLayerBefore)
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{
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Standard_ASSERT_RAISE (theNewLayerId > 0,
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"Graphic3d_GraphicDriver::InsertLayerAfter, negative and zero IDs are reserved");
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Standard_ASSERT_RAISE (!myLayerIds.IsBound (theNewLayerId),
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"Graphic3d_GraphicDriver::InsertLayerAfter, Layer with theLayerId already exists");
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Handle(Graphic3d_Layer) aNewLayer = new Graphic3d_Layer (theNewLayerId, 1, Handle(Select3D_BVHBuilder3d)());
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aNewLayer->SetLayerSettings (theSettings);
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Handle(Graphic3d_Layer) anOtherLayer;
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if (theLayerBefore != Graphic3d_ZLayerId_UNKNOWN
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&& myLayerIds.Find (theLayerBefore, anOtherLayer))
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{
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for (NCollection_List<Handle(Graphic3d_Layer)>::Iterator aLayerIter (myLayers); aLayerIter.More(); aLayerIter.Next())
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{
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if (aLayerIter.Value() == anOtherLayer)
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{
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myLayers.InsertAfter (aNewLayer, aLayerIter);
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break;
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}
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}
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}
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else
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{
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myLayers.Append (aNewLayer);
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}
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myLayerIds.Bind (theNewLayerId, aNewLayer);
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}
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//=======================================================================
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//function : RemoveZLayer
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//purpose :
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//=======================================================================
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void Graphic3d_GraphicDriver::RemoveZLayer (const Graphic3d_ZLayerId theLayerId)
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{
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Standard_ASSERT_RAISE (theLayerId > 0,
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"Graphic3d_GraphicDriver::RemoveZLayer, negative and zero IDs are reserved and cannot be removed");
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Handle(Graphic3d_Layer) aLayerDef;
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myLayerIds.Find (theLayerId, aLayerDef);
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Standard_ASSERT_RAISE (!aLayerDef.IsNull(),
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"Graphic3d_GraphicDriver::RemoveZLayer, Layer with theLayerId does not exist");
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myLayers.Remove (aLayerDef);
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myLayerIds.UnBind (theLayerId);
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}
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//=======================================================================
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//function : SetZLayerSettings
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//purpose :
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//=======================================================================
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void Graphic3d_GraphicDriver::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId,
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const Graphic3d_ZLayerSettings& theSettings)
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{
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Handle(Graphic3d_Layer) aLayerDef;
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myLayerIds.Find (theLayerId, aLayerDef);
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Standard_ASSERT_RAISE (!aLayerDef.IsNull(),
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"Graphic3d_GraphicDriver::SetZLayerSettings, Layer with theLayerId does not exist");
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aLayerDef->SetLayerSettings (theSettings);
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}
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