///////////////////////////////////////////////////////////////////////////////
//
//      ##  ######
//       ######  ###
//  ## ###############        Shark 3D Engine (www.shark3d.com)
//   ########## # # #
//    ########                Copyright (c) 1996-2006 Spinor GmbH.
//   ######### # # #          All rights reserved.
//  ##   ##########
//      ##
//
///////////////////////////////////////////////////////////////////////////////

//@cpp
#ifndef S3D_DRV_D3D9_VISIB_H
#define S3D_DRV_D3D9_VISIB_H

#include "drv_d3d9_query.h"

///////////////////////////////////////////////////////////////////////////////

class s3d_CDrvD3d9Visib;
class s3d_CDrvD3d9VisibMgr;

//@
typedef s3d_CUtilPtr<s3d_CDrvD3d9VisibMgr> s3d_CDrvD3d9VisibMgrPtr;

///////////////////////////////////////////////////////////////////////////////

//@
class s3d_CDrvD3d9Visib
        : public s3d_CDrvGfxVisib
{
public:
    s3d_CDrvD3d9Visib(
            s3d_CDrvD3d9VisibMgr *VisibMgr, 
            s3d_CDrvD3d9QueryOcclusion &QueryOcclusion);

    bool IsAvail();
    bool GetResult(bool Wait);

private:
    s3d_CDrvD3d9QueryOcclusion m_QueryOcclusion;
    s3d_CDrvD3d9VisibMgrPtr m_VisibMgr;

    void RefCntGotDownToZero();
};

S3D_UTIL_RECOG_DECLAREINFO(s3d_CDrvD3d9Visib);

//@
typedef s3d_CUtilPtr<s3d_CDrvD3d9Visib> s3d_CDrvD3d9VisibPtr;

//@
typedef s3d_CUtilPtrArray<s3d_CDrvD3d9Visib> s3d_CDrvD3d9VisibArray;

///////////////////////////////////////////////////////////////////////////////

class s3d_CDrvD3d9VisibMgr
    : public s3d_CUtilPtrBase
{
public:
    s3d_CDrvD3d9VisibMgr(
            s3d_CUtilMsgHandler *MsgHandler, 
            s3d_CDrvD3d9Env &Env, s3d_CDrvD3d9Param *D3dParam, 
            s3d_CDrvD3d9Device &D3dDev);

    void BeginVisib();
    s3d_CDrvGfxVisibPtr EndVisib();
    
    void Park();
    void Unpark();

private:
    friend class s3d_CDrvD3d9Visib;

    s3d_CUtilMsgHandlerPtr m_MsgHandler;
    s3d_CDrvD3d9Env *m_Env;

    s3d_CDrvD3d9Device m_D3dDev;
    s3d_CDrvD3d9QueryOcclusion m_QueryOcclusion;
    s3d_CDrvD3d9VisibArray m_VisibArray;
    s3d_CDrvD3d9VisibArray m_VisibFreePool;

    void AddToPool(
            s3d_CDrvD3d9Visib *Visib);
};

///////////////////////////////////////////////////////////////////////////////

#endif