vtkOpenXRRenderWindow.h

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/*=========================================================================
 
Program:   Visualization Toolkit
 
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.
 
=========================================================================*/
#ifndef vtkOpenXRRenderWindow_h
#define vtkOpenXRRenderWindow_h
 
#include "vtkRenderingOpenXRModule.h" // For export macro
#include "vtkVRRenderWindow.h"
 
#include "vtkEventData.h" // for method sig
#include "vtkOpenXR.h"
 
#include <array> // array
 
class vtkMatrix4x4;
 
class VTKRENDERINGOPENXR_EXPORT vtkOpenXRRenderWindow : public vtkVRRenderWindow
{
public:
  static vtkOpenXRRenderWindow* New();
  vtkTypeMacro(vtkOpenXRRenderWindow, vtkVRRenderWindow);
 
  VTK_NEWINSTANCE vtkRenderWindowInteractor* MakeRenderWindowInteractor() override;
 
  void AddRenderer(vtkRenderer*) override;
 
  void StereoUpdate() override;
 
  void StereoMidpoint() override;
 
  void StereoRenderComplete() override;
 
  void Render() override;
 
 
  void Initialize() override;
 
  void Finalize() override;
 
  const char* ReportCapabilities() override { return "OpenXR System"; }
 
  bool GetSizeFromAPI() override;
 
  vtkTypeBool GetEventPending() override { return 0; }
 
 
  void SetModelActiveState(const int hand, bool state) { this->ModelsActiveState[hand] = state; }
 
  uint32_t GetDeviceHandleForOpenXRHandle(uint32_t index);
  vtkEventDataDevice GetDeviceForOpenXRHandle(uint32_t ohandle);
 
  void UpdateHMDMatrixPose() override;
 
protected:
  vtkOpenXRRenderWindow();
  ~vtkOpenXRRenderWindow() override;
 
  // Create one framebuffer per view
  bool CreateFramebuffers(uint32_t viewCount = 2) override;
 
  bool BindTextureToFramebuffer(FramebufferDesc& framebufferDesc);
  void RenderFramebuffer(FramebufferDesc& framebufferDesc);
 
  void RenderOneEye(const uint32_t eye);
 
  void RenderModels();
 
  vtkNew<vtkMatrix4x4> TempMatrix4x4;
 
  // Store if a model is active or not here as openxr do not have a concept
  // of active/inactive controller
  std::array<bool, 2> ModelsActiveState = { true, true };
 
private:
  vtkOpenXRRenderWindow(const vtkOpenXRRenderWindow&) = delete;
  void operator=(const vtkOpenXRRenderWindow&) = delete;
};
 
#endif
// VTK-HeaderTest-Exclude: vtkOpenXRRenderWindow.h