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File indexing completed on 2026-06-02 08:58:15
0001 //////////////////////////////////////////////////////////// 0002 // 0003 // SFML - Simple and Fast Multimedia Library 0004 // Copyright (C) 2007-2023 Laurent Gomila (laurent@sfml-dev.org) 0005 // 0006 // This software is provided 'as-is', without any express or implied warranty. 0007 // In no event will the authors be held liable for any damages arising from the use of this software. 0008 // 0009 // Permission is granted to anyone to use this software for any purpose, 0010 // including commercial applications, and to alter it and redistribute it freely, 0011 // subject to the following restrictions: 0012 // 0013 // 1. The origin of this software must not be misrepresented; 0014 // you must not claim that you wrote the original software. 0015 // If you use this software in a product, an acknowledgment 0016 // in the product documentation would be appreciated but is not required. 0017 // 0018 // 2. Altered source versions must be plainly marked as such, 0019 // and must not be misrepresented as being the original software. 0020 // 0021 // 3. This notice may not be removed or altered from any source distribution. 0022 // 0023 //////////////////////////////////////////////////////////// 0024 0025 #ifndef SFML_GLRESOURCE_HPP 0026 #define SFML_GLRESOURCE_HPP 0027 0028 //////////////////////////////////////////////////////////// 0029 // Headers 0030 //////////////////////////////////////////////////////////// 0031 #include <SFML/Window/Export.hpp> 0032 #include <SFML/System/NonCopyable.hpp> 0033 0034 0035 namespace sf 0036 { 0037 0038 class Context; 0039 0040 typedef void(*ContextDestroyCallback)(void*); 0041 0042 //////////////////////////////////////////////////////////// 0043 /// \brief Base class for classes that require an OpenGL context 0044 /// 0045 //////////////////////////////////////////////////////////// 0046 class SFML_WINDOW_API GlResource 0047 { 0048 protected: 0049 0050 //////////////////////////////////////////////////////////// 0051 /// \brief Default constructor 0052 /// 0053 //////////////////////////////////////////////////////////// 0054 GlResource(); 0055 0056 //////////////////////////////////////////////////////////// 0057 /// \brief Destructor 0058 /// 0059 //////////////////////////////////////////////////////////// 0060 ~GlResource(); 0061 0062 //////////////////////////////////////////////////////////// 0063 /// \brief Register a function to be called when a context is destroyed 0064 /// 0065 /// This is used for internal purposes in order to properly 0066 /// clean up OpenGL resources that cannot be shared between 0067 /// contexts. 0068 /// 0069 /// \param callback Function to be called when a context is destroyed 0070 /// \param arg Argument to pass when calling the function 0071 /// 0072 //////////////////////////////////////////////////////////// 0073 static void registerContextDestroyCallback(ContextDestroyCallback callback, void* arg); 0074 0075 //////////////////////////////////////////////////////////// 0076 /// \brief RAII helper class to temporarily lock an available context for use 0077 /// 0078 //////////////////////////////////////////////////////////// 0079 class SFML_WINDOW_API TransientContextLock : NonCopyable 0080 { 0081 public: 0082 //////////////////////////////////////////////////////////// 0083 /// \brief Default constructor 0084 /// 0085 //////////////////////////////////////////////////////////// 0086 TransientContextLock(); 0087 0088 //////////////////////////////////////////////////////////// 0089 /// \brief Destructor 0090 /// 0091 //////////////////////////////////////////////////////////// 0092 ~TransientContextLock(); 0093 }; 0094 }; 0095 0096 } // namespace sf 0097 0098 0099 #endif // SFML_GLRESOURCE_HPP 0100 0101 //////////////////////////////////////////////////////////// 0102 /// \class sf::GlResource 0103 /// \ingroup window 0104 /// 0105 /// This class is for internal use only, it must be the base 0106 /// of every class that requires a valid OpenGL context in 0107 /// order to work. 0108 /// 0109 ////////////////////////////////////////////////////////////
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