DrawThreaded.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __draw_DrawThreaded_h__
#define __draw_DrawThreaded_h__

namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief Off-threaded rendering

    @ingroup draw
*//***************************************************************************/
class FE_DL_EXPORT DrawThreaded: public DrawCached,
        public Initialize<DrawThreaded>
{
    public:
                    DrawThreaded(void);
virtual             ~DrawThreaded(void);

        void        initialize(void);

virtual void        flush(void);

    private:

    class RenderWorker: public Thread::Functor
    {
        public:
                            RenderWorker(sp< JobQueue<I32> > a_spJobQueue,
                                U32 a_id,String a_stage):
                                m_id(a_id),
                                m_hpJobQueue(a_spJobQueue)                  {}

    virtual                 ~RenderWorker(void)                             {}

    virtual void            operate(void);

            void            setObject(sp<Component> spObject)
                            {   m_hpDrawThreaded=spObject; }

        private:
            U32                 m_id;
            hp< JobQueue<I32> > m_hpJobQueue;
            hp<DrawThreaded>    m_hpDrawThreaded;
    };

        U32                             m_jobs;
        I32                             m_rendered;
        BWORD                           m_released;
        sp< JobQueue<I32> >             m_spJobQueue;
        sp< Gang<RenderWorker,I32> >    m_spGang;
};

} /* namespace ext */
} /* namespace fe */

#endif /* __draw_DrawThreaded_h__ */