VTK  9.2.6
vtkOpenGLMovieSphere.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLMovieSphere.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
35 #ifndef vtkOpenGLMovieSphere_h
36 #define vtkOpenGLMovieSphere_h
37 
38 #include "vtkNew.h" // for ivars
39 #include "vtkOpenGLSkybox.h"
40 #include "vtkRenderingFFMPEGOpenGL2Module.h" // For export macro
41 #include "vtkSmartPointer.h" // for ivars
42 #include <atomic> // for ivars
43 #include <mutex> // for ivars
44 
47 class vtkMutexLock;
48 class vtkOpenGLActor;
50 class vtkTextureObject;
51 
52 class VTKRENDERINGFFMPEGOPENGL2_EXPORT vtkOpenGLMovieSphere : public vtkOpenGLSkybox
53 {
54 public:
55  static vtkOpenGLMovieSphere* New();
57  void PrintSelf(ostream& os, vtkIndent indent) override;
58 
62  void Render(vtkRenderer* ren, vtkMapper* mapper) override;
63 
64  void SetVideoSource(vtkFFMPEGVideoSource* val);
65  vtkFFMPEGVideoSource* GetVideoSource();
66 
67 protected:
69  ~vtkOpenGLMovieSphere() override;
70 
71  void UpdateUniforms(vtkObject*, unsigned long, void*);
72 
75  int DrawIndex;
76  int YTexture;
77  int UTexture;
78  int VTexture;
79 
80  void VideoCallback(vtkFFMPEGVideoSourceVideoCallbackData const& cbd);
81 
82  std::mutex TextureUpdateMutex;
83  unsigned char* TextureData[6];
84  int ReadIndex; // access only within mutex
86 
87  std::atomic<int> NewData;
88  std::atomic<int> HaveData;
89 
90  int Height;
91  int Width;
92  int UVHeight;
93  int UVWidth;
95 
96 private:
98  void operator=(const vtkOpenGLMovieSphere&) = delete;
99 };
100 
101 #endif
PolyDataMapper using OpenGL to render.
abstract base class for most VTK objects
Definition: vtkObject.h:62
OpenGL MovieSphere, an optimized VR sphere for movies.
abstract specification for renderers
Definition: vtkRenderer.h:72
void UpdateUniforms(vtkObject *, unsigned long, void *)
void Render(vtkRenderer *ren, vtkMapper *mapper) override
Actual Skybox render method.
vtkSmartPointer< vtkFFMPEGVideoSource > VideoSource
std::atomic< int > NewData
OpenGL actor.
a simple class to control print indentation
Definition: vtkIndent.h:39
Reader for ffmpeg supported formats.
OpenGL Skybox.
abstract class specifies interface to map data to graphics primitives
Definition: vtkMapper.h:87
abstracts an OpenGL texture object.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkOpenGLSkybox * New()
mutual exclusion locking class
Definition: vtkMutexLock.h:82
std::atomic< int > HaveData