[692] | 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 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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