[5] | 1 | #ifndef OGRE_GLSUPPORT_H |
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| 2 | #define OGRE_GLSUPPORT_H |
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| 3 | |
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| 4 | #include "OgreGLPrerequisites.h" |
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| 5 | #include "OgreGLRenderSystem.h" |
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| 6 | |
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| 7 | #include "OgreRenderWindow.h" |
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| 8 | #include "OgreConfigOptionMap.h" |
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| 9 | #include "OgreGLPBuffer.h" |
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| 10 | |
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| 11 | namespace Ogre |
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| 12 | { |
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| 13 | |
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| 14 | class _OgreGLExport GLSupport |
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| 15 | { |
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| 16 | public: |
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| 17 | GLSupport() { } |
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| 18 | virtual ~GLSupport() { } |
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| 19 | |
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| 20 | /** |
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| 21 | * Add any special config values to the system. |
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| 22 | * Must have a "Full Screen" value that is a bool and a "Video Mode" value |
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| 23 | * that is a string in the form of wxh |
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| 24 | */ |
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| 25 | virtual void addConfig() = 0; |
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| 26 | |
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| 27 | virtual void setConfigOption(const String &name, const String &value); |
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| 28 | |
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| 29 | /** |
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| 30 | * Make sure all the extra options are valid |
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| 31 | * @return string with error message |
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| 32 | */ |
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| 33 | virtual String validateConfig() = 0; |
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| 34 | |
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| 35 | virtual ConfigOptionMap& getConfigOptions(void); |
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| 36 | |
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| 37 | virtual RenderWindow* createWindow(bool autoCreateWindow, GLRenderSystem* renderSystem, const String& windowTitle) = 0; |
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| 38 | |
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| 39 | /// @copydoc RenderSystem::createRenderWindow |
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| 40 | virtual RenderWindow* newWindow(const String &name, unsigned int width, unsigned int height, |
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| 41 | bool fullScreen, const NameValuePairList *miscParams = 0) = 0; |
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| 42 | |
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| 43 | virtual bool supportsPBuffers(); |
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| 44 | virtual GLPBuffer *createPBuffer(PixelComponentType format, size_t width, size_t height); |
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| 45 | |
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| 46 | /** |
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| 47 | * Start anything special |
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| 48 | */ |
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| 49 | virtual void start() = 0; |
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| 50 | /** |
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| 51 | * Stop anything special |
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| 52 | */ |
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| 53 | virtual void stop() = 0; |
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| 54 | |
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| 55 | /** |
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| 56 | * get vendor information |
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| 57 | */ |
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| 58 | const String& getGLVendor(void) const |
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| 59 | { |
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| 60 | return mVendor; |
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| 61 | } |
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| 62 | |
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| 63 | /** |
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| 64 | * get version information |
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| 65 | */ |
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| 66 | const String& getGLVersion(void) const |
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| 67 | { |
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| 68 | return mVersion; |
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| 69 | } |
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| 70 | |
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| 71 | /** |
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| 72 | * compare GL version numbers |
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| 73 | */ |
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| 74 | bool checkMinGLVersion(const String& v) const; |
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| 75 | |
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| 76 | /** |
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| 77 | * Check if an extension is available |
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| 78 | */ |
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| 79 | virtual bool checkExtension(const String& ext) const; |
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| 80 | /** |
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| 81 | * Get the address of a function |
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| 82 | */ |
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| 83 | virtual void* getProcAddress(const String& procname) = 0; |
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| 84 | |
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| 85 | /** Intialises GL extensions, must be done AFTER the GL context has been |
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| 86 | established. |
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| 87 | */ |
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| 88 | virtual void initialiseExtensions(); |
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| 89 | |
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| 90 | protected: |
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| 91 | // Stored options |
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| 92 | ConfigOptionMap mOptions; |
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| 93 | |
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| 94 | // This contains the complete list of supported extensions |
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| 95 | std::set<String> extensionList; |
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| 96 | private: |
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| 97 | String mVersion; |
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| 98 | String mVendor; |
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| 99 | |
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| 100 | }; // class GLSupport |
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| 101 | |
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| 102 | }; // namespace Ogre |
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| 103 | |
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| 104 | #endif // OGRE_GLSUPPORT_H |
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