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vtkOSPRayRendererNode.h
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vtkOSPRayRendererNode.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOSPRayRendererNode.h
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.
=========================================================================*/
/**
* @class vtkOSPRayRendererNode
* @brief links vtkRenderers to OSPRay
*
* Translates vtkRenderer state into OSPRay rendering calls
*/
#ifndef vtkOSPRayRendererNode_h
#define vtkOSPRayRendererNode_h
#include "vtkRenderingOSPRayModule.h" // For export macro
#include "vtkRendererNode.h"
#include <vector> // for ivars
class vtkInformationDoubleVectorKey;
class vtkInformationIntegerKey;
class vtkInformationObjectBaseKey;
class vtkInformationStringKey;
class vtkMatrix4x4;
class vtkOSPRayRendererNodeInternals;
class vtkOSPRayMaterialLibrary;
class vtkRenderer;
// ospray forward decs so that someone does not need to include ospray.h
namespace osp {
struct Model;
struct Renderer;
struct Light;
struct Texture2D;
struct FrameBuffer;
}
typedef osp::Model *OSPModel;
typedef osp::Renderer *OSPRenderer;
typedef osp::Light *OSPLight;
typedef osp::FrameBuffer *OSPFrameBuffer;
typedef osp::Texture2D* OSPTexture2D;
typedef osp::FrameBuffer* OSPFrameBuffer;
class VTKRENDERINGOSPRAY_EXPORT vtkOSPRayRendererNode :
public vtkRendererNode
{
public:
static vtkOSPRayRendererNode* New();
vtkTypeMacro(vtkOSPRayRendererNode, vtkRendererNode);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Builds myself.
*/
virtual void Build(bool prepass) override;
/**
* Traverse graph in ospray's preferred order and render
*/
virtual void Render(bool prepass) override;
/**
* Invalidates cached rendering data.
*/
virtual void Invalidate(bool prepass) override;
/**
* Put my results into the correct place in the provided pixel buffer.
*/
virtual void WriteLayer(unsigned char *buffer, float *zbuffer,
int buffx, int buffy, int layer);
//state beyond rendering core...
/**
* When present on renderer, controls the number of primary rays
* shot per pixel
* default is 1
*/
static vtkInformationIntegerKey* SAMPLES_PER_PIXEL();
//@{
/**
* Convenience method to set/get SAMPLES_PER_PIXEL on a vtkRenderer.
*/
static void SetSamplesPerPixel(int, vtkRenderer *renderer);
static int GetSamplesPerPixel(vtkRenderer *renderer);
//@}
//@{
/**
* When present on renderer, controls the number of ospray render calls
* for each refresh.
* default is 1
*/
static vtkInformationIntegerKey* MAX_FRAMES();
static void SetMaxFrames(int, vtkRenderer *renderer);
static int GetMaxFrames(vtkRenderer *renderer);
//@}
//@{
/**
* Set the OSPRay renderer type to use (e.g. scivis vs. pathtracer)
* default is scivis
*/
static vtkInformationStringKey* RENDERER_TYPE();
static void SetRendererType(std::string name, vtkRenderer *renderer);
static std::string GetRendererType(vtkRenderer *renderer);
//@}
/**
* When present on renderer, controls the number of ambient occlusion
* samples shot per hit.
* default is 4
*/
static vtkInformationIntegerKey* AMBIENT_SAMPLES();
//@{
/**
* Convenience method to set/get AMBIENT_SAMPLES on a vtkRenderer.
*/
static void SetAmbientSamples(int, vtkRenderer *renderer);
static int GetAmbientSamples(vtkRenderer *renderer);
//@}
/**
* used to make the renderer add ospray's content onto GL rendered
* content on the window
*/
static vtkInformationIntegerKey* COMPOSITE_ON_GL();
//@{
/**
* Convenience method to set/get COMPOSITE_ON_GL on a vtkRenderer.
*/
static void SetCompositeOnGL(int, vtkRenderer *renderer);
static int GetCompositeOnGL(vtkRenderer *renderer);
//@}
/**
* World space direction of north pole for gradient and texture background.
*/
static vtkInformationDoubleVectorKey* NORTH_POLE();
//@{
/**
* Convenience method to set/get NORTH_POLE on a vtkRenderer.
*/
static void SetNorthPole(double *, vtkRenderer *renderer);
static double * GetNorthPole(vtkRenderer *renderer);
//@}
/**
* World space direction of east pole for texture background.
*/
static vtkInformationDoubleVectorKey* EAST_POLE();
//@{
/**
* Convenience method to set/get EAST_POLE on a vtkRenderer.
*/
static void SetEastPole(double *, vtkRenderer *renderer);
static double * GetEastPole(vtkRenderer *renderer);
//@}
/**
* Material Library attached to the renderer.
*/
static vtkInformationObjectBaseKey* MATERIAL_LIBRARY();
//@{
/**
* Convenience method to set/get Material library on a renderer.
*/
static void SetMaterialLibrary(vtkOSPRayMaterialLibrary *, vtkRenderer *renderer);
static vtkOSPRayMaterialLibrary* GetMaterialLibrary(vtkRenderer *renderer);
//@}
/**
* Methods for other nodes to access
*/
OSPModel GetOModel() { return this->OModel; }
OSPRenderer GetORenderer() { return this->ORenderer; }
void AddLight(OSPLight light) {
this->Lights.push_back(light); }
/**
* Get the last rendered ColorBuffer
*/
virtual unsigned char *GetBuffer() {
return this->Buffer; }
/**
* Get the last rendered ZBuffer
*/
virtual float *GetZBuffer() {
return this->ZBuffer; }
// if you want to traverse your children in a specific order
// or way override this method
virtual void Traverse(int operation) override;
/**
* Convenience method to get and downcast renderable.
*/
vtkRenderer *GetRenderer();
protected:
vtkOSPRayRendererNode();
~vtkOSPRayRendererNode();
//internal structures
unsigned char *Buffer;
float *ZBuffer;
OSPModel OModel;
OSPRenderer ORenderer;
OSPFrameBuffer OFrameBuffer;
int ImageX, ImageY;
std::vector<OSPLight> Lights;
int NumActors;
bool ComputeDepth;
bool Accumulate;
bool CompositeOnGL;
float* ODepthBuffer;
int AccumulateCount;
vtkMTimeType AccumulateTime;
vtkMatrix4x4 *AccumulateMatrix;
vtkOSPRayRendererNodeInternals *Internal;
private:
vtkOSPRayRendererNode(const vtkOSPRayRendererNode&) = delete;
void operator=(const vtkOSPRayRendererNode&) = delete;
};
#endif