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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOSPRayVolumeMapper.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkOSPRayVolumeMapper.h"
#include "vtkOSPRayPass.h"
#include "vtkOSPRayRendererNode.h"
#include "vtkObjectFactory.h"
#include "vtkRenderer.h"
//============================================================================
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkOSPRayVolumeMapper);
//------------------------------------------------------------------------------
vtkOSPRayVolumeMapper::vtkOSPRayVolumeMapper()
{
this->InternalRenderer = nullptr;
this->InternalOSPRayPass = nullptr;
this->Initialized = false;
}
//------------------------------------------------------------------------------
vtkOSPRayVolumeMapper::~vtkOSPRayVolumeMapper()
{
if (this->InternalRenderer)
{
this->InternalRenderer->SetPass(nullptr);
this->InternalRenderer->Delete();
}
if (this->InternalOSPRayPass)
{
this->InternalOSPRayPass->Delete();
}
}
//------------------------------------------------------------------------------
void vtkOSPRayVolumeMapper::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
void vtkOSPRayVolumeMapper::Init()
{
this->InternalOSPRayPass = vtkOSPRayPass::New();
this->InternalRenderer = vtkRenderer::New();
vtkOSPRayRendererNode::SetCompositeOnGL(1, this->InternalRenderer);
this->InternalRenderer->SetLayer(0); // TODO: hacked in for now
this->Initialized = true;
}
//------------------------------------------------------------------------------
// Render the volume
void vtkOSPRayVolumeMapper::Render(vtkRenderer* ren, vtkVolume* vol)
{
if (!ren)
{
return;
}
if (!this->Initialized)
{
this->Init();
}
this->InternalRenderer->SetRenderWindow(ren->GetRenderWindow());
this->InternalRenderer->SetActiveCamera(ren->GetActiveCamera());
this->InternalRenderer->SetBackground(ren->GetBackground());
if (!this->InternalRenderer->HasViewProp(vol))
{
this->InternalRenderer->RemoveAllViewProps();
this->InternalRenderer->AddVolume(vol);
}
this->InternalRenderer->SetPass(this->InternalOSPRayPass);
this->InternalRenderer->Render();
this->InternalRenderer->SetPass(0);
vtkOSPRayRendererNode::SetCompositeOnGL(
ren->GetNumberOfPropsRendered() > 0, this->InternalRenderer);
this->InternalRenderer->SetErase(ren->GetNumberOfPropsRendered() < 1);
this->InternalRenderer->RemoveVolume(vol); // prevent a mem leak
}
//------------------------------------------------------------------------------
// Release any graphics resources that are being consumed by this mapper.
// The parameter window could be used to determine which graphic
// resources to release.
void vtkOSPRayVolumeMapper::ReleaseGraphicsResources(vtkWindow*) {}
VTK_ABI_NAMESPACE_END
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