glx/window.h

/* Copyright (c) 2005-2016, Stefan Eilemann <eile@equalizergraphics.com>
 *                          Daniel Nachbaur <danielnachbaur@gmail.com>
 *                          Maxim Makhinya
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQ_GLX_WINDOW_H
#define EQ_GLX_WINDOW_H

#include <eq/glx/types.h>
#include <eq/glWindow.h>       // base class

namespace eq
{
namespace glx
{
namespace detail { class Window; }

class WindowIF : public GLWindow
{
public:
    WindowIF( NotifierInterface& parent,
              const WindowSettings& settings ) : GLWindow( parent, settings ) {}
    virtual ~WindowIF() {}

    virtual GLXContext getGLXContext() const = 0;

    virtual XID getXDrawable() const = 0;

    virtual Display* getXDisplay() = 0;

    virtual bool processEvent( EventType type, const XEvent&,
                               SizeEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type, const XEvent&,
                               PointerEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type, const XEvent&, KeyEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type, const XEvent&,
                               AxisEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type, const XEvent&,
                               ButtonEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType, const XEvent& ) { return false; }

};

class Window : public WindowIF
{
public:
    Window( NotifierInterface& parent, const WindowSettings& settings,
            Display* xDisplay, const GLXEWContext* glxewContext,
            MessagePump* messagePump );

    virtual ~Window();

    bool configInit() override;

    void configExit() override;

    virtual GLXFBConfig* chooseGLXFBConfig();

    virtual GLXContext createGLXContext( GLXFBConfig* fbConfig );

    virtual bool configInitGLXDrawable( GLXFBConfig* fbConfig );

    virtual bool configInitGLXWindow( GLXFBConfig* fbConfig );

    virtual bool configInitGLXPBuffer( GLXFBConfig* fbConfig );

    EQ_API virtual void initEventHandler();

    EQ_API virtual void exitEventHandler();

    EQ_API GLXContext getGLXContext() const override;

    EQ_API XID getXDrawable() const override;

    EQ_API Display* getXDisplay() override;

    EQ_API const GLXEWContext* glxewGetContext() const;

    virtual void setXDrawable( XID drawable );

    virtual void setGLXContext( GLXContext context );

    void makeCurrent( const bool cache = true ) const override;

    void doneCurrent() const override;

    void swapBuffers() override;

    void joinNVSwapBarrier( const uint32_t group,
                            const uint32_t barrier ) override;

    void leaveNVSwapBarrier();

    EQ_API bool processEvent( EventType type, const XEvent& xEvent,
                              PointerEvent& event ) override;

private:
    detail::Window* const _impl;

    XID _createGLXWindow( GLXFBConfig* fbConfig, const PixelViewport& pvp );

    void _initSwapSync();
};
}
}
#endif // EQ_GLX_WINDOW_H