renderer.h

/* Copyright (c) 2011-2017, 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 <eq/util/objectManager.h> // imported type
#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 updateNearFar(const AABBf& box);

    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(const AxisEvent&) { return false; }
    virtual bool processEvent(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