opengl_graphic_context.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2015 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
7 ** arising from the use of this software.
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.
20 **
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 <memory>
33 #include "../Display/Render/graphic_context.h"
34
35 namespace clan
36 {
39
40 class GraphicContext_GL_Impl;
41
43 class GraphicContext_GL : public GraphicContext
44 {
46 public:
47 // \brief Create a null instance
48 GraphicContext_GL() {}
49
51 GraphicContext_GL(GraphicContext &gc);
52
53 ~GraphicContext_GL();
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
74 void get_opengl_version(int &version_major, int &version_minor, int &version_release);
75
80 void get_opengl_shading_language_version(int &version_major, int &version_minor);
81
83 std::string get_renderer_string();
84
86 std::string get_vendor_string();
87
89 std::vector<std::string> get_extensions();
90
92 public:
94 void set_active();
95
97 private:
98 std::shared_ptr<GraphicContext_GL_Impl> impl;
99 };
100
101 }
102
clan::GraphicContext_GL::get_extensions
std::vector< std::string > get_extensions()
Get the list of opengl extensions.
clan
Definition: clanapp.h:35
clan::GraphicContext_GL::set_active
void set_active()
Operations.
clan::GraphicContext_GL::GraphicContext_GL
GraphicContext_GL()
Construction.
Definition: opengl_graphic_context.h:48
clan::GraphicContext_GL::throw_if_null
void throw_if_null() const
Throw an exception if this object is invalid.
clan::GraphicContext_GL::~GraphicContext_GL
~GraphicContext_GL()
clan::GraphicContext_GL
GL Graphic Context.
Definition: opengl_graphic_context.h:43
clan::GraphicContext_GL::get_opengl_version
void get_opengl_version(int &version_major, int &version_minor)
Get the opengl version.
clan::GraphicContext_GL::is_null
bool is_null() const
Attributes.
Definition: opengl_graphic_context.h:58
clan::StyleTokenType::string
@ keyword
clan::GraphicContext_GL::get_renderer_string
std::string get_renderer_string()
Get the opengl renderer string.
clan::GraphicContext
Interface to drawing graphics.
Definition: graphic_context.h:257
clan::GraphicContext_GL::get_opengl_shading_language_version
void get_opengl_shading_language_version(int &version_major, int &version_minor)
Get the opengl shading language version.
clan::GraphicContext_GL::get_vendor_string
std::string get_vendor_string()
Get the opengl vendor string.