ClanLib  2.3.7
opengl_graphic_context.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
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28 
31 
32 #pragma once
33 
34 #include "api_gl.h"
35 #include "../Core/System/sharedptr.h"
36 #include "../Display/Render/graphic_context.h"
37 
38 class CL_GraphicContext_GL_Impl;
39 
44 {
46 public:
47  // \brief Create a null instance
49 
52 
54 
56 public:
58  bool is_null() const { return !impl; }
59 
61  void throw_if_null() const;
62 
67  void get_opengl_version(int &version_major, int &version_minor);
68 
73  void get_opengl_shading_language_version(int &version_major, int &version_minor);
74 
76  CL_String get_renderer_string();
77 
79  CL_String get_vendor_string();
80 
82  std::vector<CL_String> get_extensions();
83 
85 public:
89  void set_active();
90 
92 private:
93  CL_SharedPtr<CL_GraphicContext_GL_Impl> impl;
94 };
95