opengl_graphic_context.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2013 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
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8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
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21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Mark Page
27 */
28 
29 
30 #pragma once
31 
32 #include "api_gl.h"
33 #include <memory>
34 #include "../Display/Render/graphic_context.h"
35 
36 namespace clan
37 {
40 
41 class GraphicContext_GL_Impl;
42 
44 class CL_API_GL GraphicContext_GL : public GraphicContext
45 {
47 public:
48  // \brief Create a null instance
50 
53 
55 
57 public:
59  bool is_null() const { return !impl; }
60 
62  void throw_if_null() const;
63 
68  void get_opengl_version(int &version_major, int &version_minor);
69 
75  void get_opengl_version(int &version_major, int &version_minor, int &version_release);
76 
81  void get_opengl_shading_language_version(int &version_major, int &version_minor);
82 
84  std::string get_renderer_string();
85 
87  std::string get_vendor_string();
88 
90  std::vector<std::string> get_extensions();
91 
93 public:
95  void set_active();
96 
98 private:
99  std::shared_ptr<GraphicContext_GL_Impl> impl;
100 };
101 
102 }
103 
GraphicContext_GL()
Construction.
Definition: opengl_graphic_context.h:49
GL Graphic Context.
Definition: opengl_graphic_context.h:44
bool is_null() const
Attributes.
Definition: opengl_graphic_context.h:59
Interface to drawing graphics.
Definition: graphic_context.h:257