1 ////////////////////////////////////////////////////////////
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3 // SFML - Simple and Fast Multimedia Library
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4 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
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6 // This software is provided 'as-is', without any express or implied warranty.
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7 // In no event will the authors be held liable for any damages arising from the use of this software.
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9 // Permission is granted to anyone to use this software for any purpose,
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10 // including commercial applications, and to alter it and redistribute it freely,
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11 // subject to the following restrictions:
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13 // 1. The origin of this software must not be misrepresented;
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14 // you must not claim that you wrote the original software.
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15 // If you use this software in a product, an acknowledgment
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16 // in the product documentation would be appreciated but is not required.
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18 // 2. Altered source versions must be plainly marked as such,
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19 // and must not be misrepresented as being the original software.
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21 // 3. This notice may not be removed or altered from any source distribution.
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23 ////////////////////////////////////////////////////////////
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25 #ifndef SFML_CONTEXT_HPP
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26 #define SFML_CONTEXT_HPP
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28 ////////////////////////////////////////////////////////////
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30 ////////////////////////////////////////////////////////////
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31 #include <SFML/Config.hpp>
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32 #include <SFML/System/NonCopyable.hpp>
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42 ////////////////////////////////////////////////////////////
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43 /// Class wrapping an OpenGL context.
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44 /// All SFML windows already have their own context, so
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45 /// this class is more a helper for specific issues involving
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46 /// OpenGL and multi-threading.
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47 /// It's meant to be used internally.
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48 ////////////////////////////////////////////////////////////
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49 class SFML_API Context : NonCopyable
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53 ////////////////////////////////////////////////////////////
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54 /// Default constructor, create the context
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56 ////////////////////////////////////////////////////////////
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59 ////////////////////////////////////////////////////////////
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60 /// Destructor, destroy the context
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62 ////////////////////////////////////////////////////////////
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65 ////////////////////////////////////////////////////////////
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66 /// Activate or deactivate the context
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68 /// \param Active : True to activate the context, false to deactivate it
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70 ////////////////////////////////////////////////////////////
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71 void SetActive(bool Active);
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73 ////////////////////////////////////////////////////////////
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74 /// Check if there's a context bound to the current thread
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76 /// \return True if there's a context bound to the current thread
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78 ////////////////////////////////////////////////////////////
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79 static bool IsContextActive();
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81 ////////////////////////////////////////////////////////////
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82 /// Get the global context
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84 /// \return Reference to the global context
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86 ////////////////////////////////////////////////////////////
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87 static Context& GetGlobal();
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91 ////////////////////////////////////////////////////////////
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93 ////////////////////////////////////////////////////////////
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94 priv::WindowImpl* myDummyWindow; ///< Dummy window holding the context
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100 #endif // SFML_CONTEXT_HPP
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