glx/window.h

/* Copyright (c) 2005-2017, 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/glWindow.h> // base class
#include <eq/glx/types.h>

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(const XEvent&, AxisEvent& event)
    {
        return GLWindow::processEvent(event);
    }

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

    virtual bool processEvent(EventType type, const XEvent&)
    {
        if (type == EVENT_UNKNOWN)
            return false;
        return GLWindow::processEvent(type);
    }
};

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 void initEventHandler();

    virtual void exitEventHandler();

    GLXContext getGLXContext() const override;

    XID getXDrawable() const override;

    Display* getXDisplay() override;

    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();

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

private:
    detail::Window* const _impl;

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

    void _initSwapSync();

    void _resize(const PixelViewport& pvp) override;
};
}
}
#endif // EQ_GLX_WINDOW_H