OgreGLXGLSupport.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2013 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#ifndef OGRE_GLXGLSupport_H
#define OGRE_GLXGLSupport_H

#include "OgreGL3PlusSupport.h"

namespace Ogre {

    class _OgrePrivate GLXGLSupport : public GL3PlusSupport
    {
    public:
        GLXGLSupport();
        ~GLXGLSupport();

        Atom mAtomDeleteWindow;
        Atom mAtomFullScreen;
        Atom mAtomState;

        void addConfig(void);

        String validateConfig(void);

        void setConfigOption(const String &name, const String &value);

        RenderWindow* createWindow(bool autoCreateWindow, GL3PlusRenderSystem* renderSystem, const String& windowTitle);

        RenderWindow* newWindow(const String &name, unsigned int width, unsigned int height,
                                bool fullScreen, const NameValuePairList *miscParams = 0);

        void start();

        void stop();

        void initialiseExtensions();

        void* getProcAddress(const String& procname);

        // The remaining functions are internal to the GLX Rendersystem:

        String getDisplayName (void);

        Display* getGLDisplay(void);

        Display* getXDisplay(void);

        void switchMode (uint& width, uint& height, short& frequency);

        void switchMode (void);

        bool loadIcon(const String &name, Pixmap *pix, Pixmap *mask);

        GLXFBConfig getFBConfigFromContext (::GLXContext context);

        GLXFBConfig getFBConfigFromDrawable (GLXDrawable drawable, unsigned int *width, unsigned int *height);

        GLXFBConfig selectFBConfig(const int *minAttribs, const int *maxAttribs);

        GLXFBConfig getFBConfigFromVisualID(VisualID visualid);

        GLXFBConfig* chooseFBConfig(const GLint *attribList, GLint *nElements);

        ::GLXContext createNewContext(GLXFBConfig fbConfig, GLint renderType, ::GLXContext shareList, GLboolean direct) const;

        GLint getFBConfigAttrib(GLXFBConfig fbConfig, GLint attribute, GLint *value);

        XVisualInfo* getVisualFromFBConfig(GLXFBConfig fbConfig);

        private:

        void refreshConfig(void);

        Display* mGLDisplay; // used for GL/GLX commands
        Display* mXDisplay;  // used for other X commands and events
        bool mIsExternalDisplay;

        typedef std::pair<uint, uint>      ScreenSize;
        typedef short                      Rate;
        typedef std::pair<ScreenSize, Rate> VideoMode;
        typedef std::vector<VideoMode>    VideoModes;

        VideoModes mVideoModes;
        VideoMode  mOriginalMode;
        VideoMode  mCurrentMode;

        StringVector mSampleLevels;
    };
}

#endif // OGRE_GLXGLSupport_H