1 /* 2 ----------------------------------------------------------------------------- 3 This source file is part of OGRE 4 (Object-oriented Graphics Rendering Engine) 5 For the latest info, see http://www.ogre3d.org/ 6 7 Copyright (c) 2000-2014 Torus Knot Software Ltd 8 9 Permission is hereby granted, free of charge, to any person obtaining a copy 10 of this software and associated documentation files (the "Software"), to deal 11 in the Software without restriction, including without limitation the rights 12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 13 copies of the Software, and to permit persons to whom the Software is 14 furnished to do so, subject to the following conditions: 15 16 The above copyright notice and this permission notice shall be included in 17 all copies or substantial portions of the Software. 18 19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 25 THE SOFTWARE. 26 ----------------------------------------------------------------------------- 27 */ 28 29 #ifndef __GLNativeSupport_H__ 30 #define __GLNativeSupport_H__ 31 32 #include "OgreGLSupportPrerequisites.h" 33 #include "OgreConfigOptionMap.h" 34 #include "OgrePixelFormat.h" 35 #include "OgreException.h" 36 #include "OgreGLRenderSystemCommon.h" 37 38 namespace Ogre 39 { 40 class GLPBuffer; 41 42 /** \addtogroup RenderSystems RenderSystems 43 * @{ 44 */ 45 /** \defgroup GLSupport GLSupport 46 * provides OpenGL Context creation using GLX, WGL, EGL, Cocoa 47 * @{ 48 */ 49 class _OgreGLExport GLNativeSupport 50 { 51 public: 52 typedef GLRenderSystemCommon::VideoModes VideoModes; 53 typedef std::set<String> ExtensionList; 54 55 enum ContextProfile { 56 CONTEXT_CORE = 1, 57 CONTEXT_COMPATIBILITY = 2, 58 CONTEXT_ES = 4 59 }; 60 GLNativeSupport(int profile)61 GLNativeSupport(int profile) : mContextProfile(ContextProfile(profile)) {} ~GLNativeSupport()62 virtual ~GLNativeSupport() {} 63 64 /// @copydoc RenderSystem::_createRenderWindow 65 virtual RenderWindow* newWindow(const String &name, 66 unsigned int width, unsigned int height, 67 bool fullScreen, 68 const NameValuePairList *miscParams = 0) = 0; 69 createPBuffer(PixelComponentType format,size_t width,size_t height)70 virtual GLPBuffer* createPBuffer(PixelComponentType format, size_t width, size_t height) { 71 return NULL; 72 } 73 74 /** 75 * Get the address of a function 76 */ 77 virtual void *getProcAddress(const char* procname) const = 0; 78 checkExtension(const String & ext)79 bool checkExtension(const String& ext) const { 80 return extensionList.find(ext) != extensionList.end(); 81 } 82 83 /// @copydoc RenderSystem::getDisplayMonitorCount getDisplayMonitorCount()84 virtual unsigned int getDisplayMonitorCount() const 85 { 86 return 1; 87 } 88 89 /** 90 * Start anything special 91 */ 92 virtual void start() = 0; 93 /** 94 * Stop anything special 95 */ 96 virtual void stop() = 0; 97 98 /** 99 * Add any special config values to the system. 100 */ getConfigOptions()101 virtual ConfigOptionMap getConfigOptions() { return ConfigOptionMap(); } 102 getFSAALevels()103 const std::vector<int>& getFSAALevels() const { return mFSAALevels; } getVideoModes()104 const VideoModes& getVideoModes() const { return mVideoModes; } 105 getContextProfile()106 ContextProfile getContextProfile() const { return mContextProfile; } 107 protected: 108 typedef GLRenderSystemCommon::VideoMode VideoMode; 109 110 // Allowed video modes 111 VideoModes mVideoModes; 112 std::vector<int> mFSAALevels; 113 114 // Supported platform extensions (e.g EGL_*, GLX_*) 115 ExtensionList extensionList; 116 117 ContextProfile mContextProfile; 118 }; 119 /** @} */ 120 /** @} */ 121 122 } 123 124 #endif 125