contextCaps.h
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24 #ifndef PXR_IMAGING_GLF_CONTEXT_CAPS_H
25 #define PXR_IMAGING_GLF_CONTEXT_CAPS_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/glf/api.h"
29 #include "pxr/base/tf/singleton.h"
30 
31 
32 PXR_NAMESPACE_OPEN_SCOPE
33 
34 
59 {
60 public:
61 
66  GLF_API
67  static void InitInstance();
68 
72  GLF_API
73  static const GlfContextCaps &GetInstance();
74 
75  // GL version
76  int glVersion; // 400 (4.0), 410 (4.1), ...
77 
78  // Whether or not we are running with core profile
79  bool coreProfile;
80 
81  // Max constants
82  int maxArrayTextureLayers;
83 
84 private:
85  void _LoadCaps();
87  ~GlfContextCaps() = default;
88 
89  // Disallow copies
90  GlfContextCaps(const GlfContextCaps&) = delete;
91  GlfContextCaps& operator=(const GlfContextCaps&) = delete;
92 
93  friend class TfSingleton<GlfContextCaps>;
94 };
95 
96 GLF_API_TEMPLATE_CLASS(TfSingleton<GlfContextCaps>);
97 
98 PXR_NAMESPACE_CLOSE_SCOPE
99 
100 #endif // PXR_IMAGING_GLF_CONTEXT_CAPS_H
101 
Manage a single instance of an object.
Manage a single instance of an object (see.
Definition: singleton.h:119
This class is intended to be a cache of the capabilites (resource limits and features) of the underly...
Definition: contextCaps.h:58
static GLF_API const GlfContextCaps & GetInstance()
GetInstance() returns the filled capabilities structure.
static GLF_API void InitInstance()
InitInstance queries the GL context for its capabilities.