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/**************************************************************************/
/*                                                                        */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
/*                                                                        */
/* NXAGENT, NX protocol compression and NX extensions to this software    */
/* are copyright of the aforementioned persons and companies.             */
/*                                                                        */
/* Redistribution and use of the present software is allowed according    */
/* to terms specified in the file LICENSE which comes in the source       */
/* distribution.                                                          */
/*                                                                        */
/* All rights reserved.                                                   */
/*                                                                        */
/* NOTE: This software has received contributions from various other      */
/* contributors, only the core maintainers and supporters are listed as   */
/* copyright holders. Please contact us, if you feel you should be listed */
/* as copyright holder, as well.                                          */
/*                                                                        */
/**************************************************************************/

#ifndef __Split_H__
#define __Split_H__

typedef struct _SplitResourceRec
{
  int         pending;
  int         split;
  int         unpack;
  DrawablePtr drawable;
  RegionPtr   region;
  GCPtr       gc;
  int         commit;

} SplitResourceRec;

typedef SplitResourceRec *SplitResourcePtr;

extern SplitResourceRec nxagentSplitResources[];

typedef struct _UnpackResourceRec
{
  int         pending;
  int         unpack;
  DrawablePtr drawable;

} UnpackResourceRec;

typedef UnpackResourceRec *UnpackResourcePtr;

extern UnpackResourceRec nxagentUnpackResources[];

void nxagentInitSplitResources();
void nxagentInitUnpackResources();

SplitResourcePtr nxagentAllocSplitResource();
void nxagentFreeSplitResource(SplitResourcePtr pResource);

UnpackResourcePtr nxagentAllocUnpackResource();
void nxagentFreeUnpackResource(UnpackResourcePtr pResource);

#define nxagentSplitResource(pDrawable) \
    ((pDrawable) -> type == DRAWABLE_PIXMAP ? \
        (nxagentPixmapPriv(nxagentRealPixmap((PixmapPtr) pDrawable)) -> splitResource) : \
            (nxagentWindowPriv((WindowPtr) pDrawable) -> splitResource))

/*
FIXME: Make it a real function to log a warning
       in the logs.

#define nxagentSplitDrawable(pDrawable) \
    (((pDrawable) -> type == DRAWABLE_PIXMAP && \
         nxagentPixmapIsVirtual((PixmapPtr) pDrawable)) ? \
             (DrawablePtr) nxagentRealPixmap((PixmapPtr) pDrawable) : pDrawable)
*/
DrawablePtr nxagentSplitDrawable(DrawablePtr pDrawable);

int nxagentCreateSplit(DrawablePtr pDrawable, GCPtr *pGC);
void nxagentRegionSplit(DrawablePtr pDrawable, RegionPtr pRegion);
void nxagentValidateSplit(DrawablePtr pDrawable, RegionPtr pRegion);
void nxagentReleaseSplit(DrawablePtr pDrawable);

void nxagentReleaseAllSplits(void);

void nxagentSetCorruptedTimestamp(DrawablePtr pDrawable);
void nxagentResetCorruptedTimestamp(DrawablePtr pDrawable);

#endif /* __Split_H__ */