glWindow.h

/* Copyright (c) 2005-2016, Stefan Eilemann <eile@equalizergraphics.com>
 *                          Daniel Nachbaur <danielnachbaur@gmail.com>
 *                          Makhinya Maxim
 *
 * 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_GL_WINDOW_H
#define EQ_GL_WINDOW_H

#include <eq/systemWindow.h> // base class

namespace eq
{
namespace detail
{
class GLWindow;
}

class GLWindow : public SystemWindow
{
public:
    EQ_API GLWindow(NotifierInterface& parent, const WindowSettings& settings);

    EQ_API virtual ~GLWindow();

    EQ_API void resize(const PixelViewport& pvp) override;

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

    EQ_API void doneCurrent() const override;

    EQ_API bool isCurrent() const;

    EQ_API void bindFrameBuffer() const override;

    EQ_API void bindDrawFrameBuffer() const override;

    EQ_API void updateFrameBuffer() const override;

    EQ_API void flush() override;

    EQ_API void finish() override;

    EQ_API virtual bool configInitFBO();

    EQ_API virtual void configExitFBO();

    EQ_API const util::FrameBufferObject* getFrameBufferObject() const override;

    EQ_API util::FrameBufferObject* getFrameBufferObject() override;

    EQ_API virtual void initGLEW();

    EQ_API virtual void exitGLEW();

    EQ_API const GLEWContext* glewGetContext() const override;

    EQ_API void queryDrawableConfig(DrawableConfig&) override;

private:
    GLWindow(const GLWindow&) = delete;
    GLWindow& operator=(const GLWindow&) = delete;
    bool _createFBO(util::FrameBufferObject*& fbo, const int samplesSize);
    void _destroyFBO(util::FrameBufferObject*& fbo);

    detail::GLWindow* const _impl;

    GLEWContext* glewGetContext();

    virtual void _resize(const PixelViewport& pvp) = 0;
};
}

#endif // EQ_GL_WINDOW_H