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glContextRegistry.h
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1 //
2 // Copyright 2016 Pixar
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4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
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24 #ifndef PXR_IMAGING_GLF_GL_CONTEXT_REGISTRY_H
25 #define PXR_IMAGING_GLF_GL_CONTEXT_REGISTRY_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/imaging/glf/glContext.h"
31 #include "pxr/base/tf/singleton.h"
32 
33 #include <memory>
34 #include <vector>
35 
36 PXR_NAMESPACE_OPEN_SCOPE
37 
38 
39 struct GlfGLContextRegistry_Data;
40 
41 typedef std::shared_ptr<class GlfGLContext> GlfGLContextSharedPtr;
42 
48 {
49 public:
50  static GlfGLContextRegistry& GetInstance()
51  {
53  }
54 
56  bool IsInitialized() const;
57 
61 
63  GlfGLContextSharedPtr GetShared();
64 
66  GlfGLContextSharedPtr GetCurrent();
67 
69  void DidMakeCurrent(const GlfGLContextSharedPtr& context);
70 
72  void Remove(const GlfGLContext* context);
73 
74 private:
77 
78  // Non-copyable
80  GlfGLContextRegistry &operator=(const GlfGLContextRegistry &) = delete;
81 
82  friend class TfSingleton<GlfGLContextRegistry>;
83 
84 private:
85  std::vector<std::unique_ptr<GlfGLContextRegistrationInterface>> _interfaces;
86  bool _sharedContextInitialized;
87  GlfGLContextSharedPtr _shared;
88  std::unique_ptr<GlfGLContextRegistry_Data> _data;
89 };
90 
91 
92 PXR_NAMESPACE_CLOSE_SCOPE
93 
94 #endif // PXR_IMAGING_GLF_GL_CONTEXT_REGISTRY_H
bool IsInitialized() const
Returns whether the registry has any registered interfaces.
Manage a single instance of an object (see.
Definition: singleton.h:122
Registry of GlfGLContexts.
void Add(GlfGLContextRegistrationInterface *)
Add a registration object to the registry.
Provides window system independent access to GL contexts.
Definition: glContext.h:52
static T & GetInstance()
Return a reference to an object of type T, creating it if necessary.
Definition: singleton.h:137
void DidMakeCurrent(const GlfGLContextSharedPtr &context)
Registers this context. It must be current.
GlfGLContextSharedPtr GetShared()
Returns the shared context, if any.
void Remove(const GlfGLContext *context)
Removes the context.
GlfGLContextSharedPtr GetCurrent()
Returns the context that matches the raw context, if any.
Interface for registering a GlfGLContext system.
Definition: glContext.h:260