renderer.h

/* Copyright (c) 2011-2016, Stefan Eilemann <eile@eyescale.ch>
 *                          Daniel Nachbaur <danielnachbaur@gmail.com>
 *                          Petros Kataras <petroskataras@gmail.com>
 *
 * 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 EQSEQUEL_RENDERER_H
#define EQSEQUEL_RENDERER_H

#include <co/objectFactory.h> // interface
#include <seq/types.h>

namespace seq
{
class Renderer : public co::ObjectFactory
{
public:
    SEQ_API explicit Renderer( Application& application );

    SEQ_API virtual ~Renderer();

    SEQ_API virtual bool init( co::Object* initData LB_UNUSED )
        { return true; }

    SEQ_API virtual bool exit() { return true; }

    SEQ_API virtual bool initContext( co::Object* initData );

    SEQ_API virtual bool exitContext();

    SEQ_API virtual void clear( co::Object* frameData );

    virtual void draw( co::Object* frameData ) = 0;

    SEQ_API void requestRedraw();

    SEQ_API void updateNearFar( const Vector4f& boundingSphere );

     SEQ_API void setNearFar( const float nearPlane, const float farPlane );

    SEQ_API virtual void applyRenderContext();

    SEQ_API void bindDrawFrameBuffer();

    SEQ_API const RenderContext& getRenderContext() const;

    SEQ_API virtual void applyModelMatrix();

    SEQ_API virtual void applyScreenFrustum();

    SEQ_API virtual void applyPerspectiveFrustum();

    virtual bool processEvent( EventType ) { return false; }
    virtual bool processEvent( EventType, const SizeEvent& ) { return false; }
    virtual bool processEvent( EventType, const PointerEvent& ){ return false; }
    virtual bool processEvent( EventType, const KeyEvent& ) { return false; }
    virtual bool processEvent( EventType, const AxisEvent& ) { return false; }
    virtual bool processEvent( EventType, const ButtonEvent& ) { return false; }

    detail::Renderer* getImpl() { return _impl; } 

    SEQ_API co::Object* getFrameData();

    Application& getApplication() { return app_; }

    const Application& getApplication() const { return app_; }

    SEQ_API const ObjectManager& getObjectManager() const;

    SEQ_API ObjectManager& getObjectManager();

    SEQ_API virtual ViewData* createViewData( View& view );

    SEQ_API virtual void destroyViewData( ViewData* viewData );

    SEQ_API const ViewData* getViewData() const;

    SEQ_API const GLEWContext* glewGetContext() const;

    SEQ_API const Frustumf& getFrustum() const;

    SEQ_API const Matrix4f& getViewMatrix() const;

    SEQ_API const Matrix4f& getModelMatrix() const;

    SEQ_API const PixelViewport& getPixelViewport() const;

    SEQ_API uint32_t getWindowID() const;

    SEQ_API virtual co::Object* createObject( const uint32_t type );

    SEQ_API virtual void destroyObject( co::Object* object,
                                        const uint32_t type );

    SEQ_API co::Object* mapObject( const uint128_t& identifier,
                                   co::Object* instance );

    SEQ_API bool unmap( co::Object* object );

private:
    detail::Renderer* const _impl;
    Application& app_;
};
}
#endif // EQSEQUEL_RENDERER_H