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/*=========================================================================
Program: ParaView
Module: $RCSfile$
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 "vtkPVRenderViewWithShadowMap.h"
#include "vtkCameraPass.h"
#include "vtkCompositeZPass.h"
#include "vtkDepthPeelingPass.h"
#include "vtkLight.h"
#include "vtkLightsPass.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include "vtkOpaquePass.h"
#include "vtkOverlayPass.h"
#include "vtkPVSynchronizedRenderer.h"
#include "vtkRenderPassCollection.h"
#include "vtkSequencePass.h"
#include "vtkShadowMapBakerPass.h"
#include "vtkShadowMapPass.h"
#include "vtkTranslucentPass.h"
#include "vtkVolumetricPass.h"
namespace
{
vtkRenderPass* CreateShadowMapPipeline()
{
vtkOpaquePass* opaque = vtkOpaquePass::New();
vtkDepthPeelingPass* peeling = vtkDepthPeelingPass::New();
peeling->SetMaximumNumberOfPeels(200);
peeling->SetOcclusionRatio(0.1);
vtkTranslucentPass* translucent = vtkTranslucentPass::New();
peeling->SetTranslucentPass(translucent);
vtkVolumetricPass* volume = vtkVolumetricPass::New();
vtkOverlayPass* overlay = vtkOverlayPass::New();
vtkLightsPass* lights = vtkLightsPass::New();
vtkSequencePass* opaqueSequence = vtkSequencePass::New();
vtkRenderPassCollection* passes2 = vtkRenderPassCollection::New();
passes2->AddItem(lights);
passes2->AddItem(opaque);
opaqueSequence->SetPasses(passes2);
passes2->Delete();
vtkCameraPass* opaqueCameraPass = vtkCameraPass::New();
opaqueCameraPass->SetDelegatePass(opaqueSequence);
vtkShadowMapBakerPass* shadowsBaker = vtkShadowMapBakerPass::New();
shadowsBaker->SetOpaquePass(opaqueCameraPass);
opaqueCameraPass->Delete();
shadowsBaker->SetResolution(256);
// To cancel self-shadowing.
shadowsBaker->SetPolygonOffsetFactor(3.1f);
shadowsBaker->SetPolygonOffsetUnits(10.0f);
vtkShadowMapPass* shadows = vtkShadowMapPass::New();
shadows->SetShadowMapBakerPass(shadowsBaker);
shadows->SetOpaquePass(opaqueSequence);
if (vtkMultiProcessController::GetGlobalController())
{
vtkCompositeZPass* compositeZPass = vtkCompositeZPass::New();
compositeZPass->SetController(vtkMultiProcessController::GetGlobalController());
shadowsBaker->SetCompositeZPass(compositeZPass);
compositeZPass->Delete();
}
vtkSequencePass* seq = vtkSequencePass::New();
vtkRenderPassCollection* passes = vtkRenderPassCollection::New();
passes->AddItem(shadowsBaker);
passes->AddItem(shadows);
passes->AddItem(lights);
passes->AddItem(peeling);
passes->AddItem(volume);
passes->AddItem(overlay);
seq->SetPasses(passes);
opaque->Delete();
peeling->Delete();
translucent->Delete();
volume->Delete();
overlay->Delete();
passes->Delete();
lights->Delete();
shadows->Delete();
shadowsBaker->Delete();
opaqueSequence->Delete();
return seq;
}
}
vtkStandardNewMacro(vtkPVRenderViewWithShadowMap);
//----------------------------------------------------------------------------
vtkPVRenderViewWithShadowMap::vtkPVRenderViewWithShadowMap()
{
}
//----------------------------------------------------------------------------
vtkPVRenderViewWithShadowMap::~vtkPVRenderViewWithShadowMap()
{
}
//----------------------------------------------------------------------------
void vtkPVRenderViewWithShadowMap::Initialize(unsigned int id)
{
this->Superclass::Initialize(id);
vtkRenderPass* shadowMapPass = CreateShadowMapPipeline();
this->SynchronizedRenderers->SetRenderPass(shadowMapPass);
shadowMapPass->Delete();
}
//----------------------------------------------------------------------------
void vtkPVRenderViewWithShadowMap::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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