vtkWin32OpenGLDXRenderWindow.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkWin32OpenGLDXRenderWindow_h
#define vtkWin32OpenGLDXRenderWindow_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkWin32OpenGLRenderWindow.h"

#include <memory> // For std::unique_ptr

struct ID3D11Device;
struct ID3D11DeviceContext;
struct ID3D11Texture2D;

VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGOPENGL2_EXPORT vtkWin32OpenGLDXRenderWindow : public vtkWin32OpenGLRenderWindow
{
public:
  static vtkWin32OpenGLDXRenderWindow* New();
  vtkTypeMacro(vtkWin32OpenGLDXRenderWindow, vtkWin32OpenGLRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetD3DDeviceContext(ID3D11DeviceContext* context);
  void SetD3DDeviceContext(void* context);

  void Initialize() override;


  void Lock();
  void Unlock();


  void RegisterSharedTexture(unsigned int colorId, unsigned int depthId = 0);
  void UnregisterSharedTexture();

  void RegisterSharedRenderFramebuffer();

  void RegisterSharedDisplayFramebuffer();


  void SetSize(int width, int height) override;


  vtkSetMacro(SharedTextureSamples, int);
  vtkGetMacro(SharedTextureSamples, int);


  void BlitToTexture(ID3D11Texture2D* color, ID3D11Texture2D* depth = nullptr);
  void BlitToTexture(void* color, void* depth = nullptr);


  ID3D11Device* GetDevice();


  ID3D11Texture2D* GetD3DSharedTexture();
  ID3D11Texture2D* GetD3DSharedDepthTexture();


  void SetAdapterId(LUID uid);

  void SetColorTextureFormat(UINT format);

protected:
  vtkWin32OpenGLDXRenderWindow();
  ~vtkWin32OpenGLDXRenderWindow() override;

  void InitializeDX();

private:
  vtkWin32OpenGLDXRenderWindow(const vtkWin32OpenGLDXRenderWindow&) = delete;
  void operator=(const vtkWin32OpenGLDXRenderWindow&) = delete;

  bool CreateTexture(UINT format, UINT bindFlags, ID3D11Texture2D** output);
  void UpdateTextures();

  class vtkInternals;
  std::unique_ptr<vtkInternals> Impl;

  // Number of multisamples used by shared textures for hardware antialiasing
  int SharedTextureSamples = 0;
};
VTK_ABI_NAMESPACE_END
#endif