/* $Xorg: meuncomp.h,v 1.3 2000/08/17 19:47:46 cpqbld Exp $ */
/**** module miuncomp.h ****/
/******************************************************************************

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				NOTICE
                              
This software is being provided by AGE Logic, Inc. under the
following license.  By obtaining, using and/or copying this software,
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     "Copyright 1993, 1994 by AGE Logic, Inc."
     
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*****************************************************************************
  
	meuncomp.c -- DDXIE includes for exporting uncompressed data
  
	Dean Verheiden -- AGE Logic, Inc. October 1993
  
*****************************************************************************/
/* $XFree86: xc/programs/Xserver/XIE/mixie/include/meuncomp.h,v 1.4 2001/01/17 22:13:06 dawes Exp $ */

typedef struct _meuncompdef {
  void     (*action)();
  CARD32   Bstride;
  CARD8	   dstoffset;	/* Number of bytes offset to this pixel's band 	*/
  CARD8    mask;	/* For obtaining subbyte pixels 	 	*/
  CARD8    shift;	/* Necessary shift after obtaining pixel 	*/
  CARD8	   bandMap;
  CARD8    clear_dst;	/* Scanline pad (in bits)			*/
  CARD8	   bitOff;	/* more that we can chew? 			*/
  CARD8	   leftOver;
  CARD8	   depth;
  CARD16   stride;
  CARD8	   unaligned;
  CARD8    pad;
  CARD32   width;
  CARD32   pitch;
  pointer  buf;
} meUncompRec, *meUncompPtr;

#define MEUNCOMP_BP_ARGS BytePixel *src, BytePixel *dst, meUncompPtr pvt
#define MEUNCOMP_PP_ARGS PairPixel *src, PairPixel *dst, meUncompPtr pvt
#define MEUNCOMP_QP_ARGS QuadPixel *src, QuadPixel *dst, meUncompPtr pvt

/* Action routines for encoding pixel planes */
extern void btoS(MEUNCOMP_BP_ARGS);
extern void sbtoS(MEUNCOMP_BP_ARGS);
extern void btoIS(MEUNCOMP_BP_ARGS);
extern void sbtoIS(MEUNCOMP_BP_ARGS);
extern void BtoS(MEUNCOMP_BP_ARGS);
extern void PtoS(MEUNCOMP_PP_ARGS);
extern void sPtoS(MEUNCOMP_PP_ARGS);
extern void QtoS(MEUNCOMP_QP_ARGS);
extern void sQtoS(MEUNCOMP_QP_ARGS);
extern void QtoIS(MEUNCOMP_QP_ARGS);
extern void sQtoIS(MEUNCOMP_QP_ARGS);

/* Action routines used by Triple band by pixel encoding */
extern void BtoIS(MEUNCOMP_BP_ARGS);
extern void PtoIS(MEUNCOMP_PP_ARGS);
extern void sPtoIS(MEUNCOMP_PP_ARGS);
extern void BtoISb(MEUNCOMP_BP_ARGS);
extern void btoISb(MEUNCOMP_BP_ARGS);

#define MEUNCOMP_UB_ARGS BytePixel *src, CARD8 *dst, meUncompPtr pvt	
#define MEUNCOMP_UP_ARGS PairPixel *src, CARD8 *dst, meUncompPtr pvt	
#define MEUNCOMP_UQ_ARGS QuadPixel *src, CARD8 *dst, meUncompPtr pvt	

/* Unaligned data packing routines */
extern void BtoLLUB(MEUNCOMP_UB_ARGS);
extern void BtoLMUB(MEUNCOMP_UB_ARGS);
extern void BtoMLUB(MEUNCOMP_UB_ARGS);
extern void BtoMMUB(MEUNCOMP_UB_ARGS);
extern void PtoLLUP(MEUNCOMP_UP_ARGS);
extern void PtoLMUP(MEUNCOMP_UP_ARGS);
extern void PtoMLUP(MEUNCOMP_UP_ARGS);
extern void PtoMMUP(MEUNCOMP_UP_ARGS);
extern void QtoLLUQ(MEUNCOMP_UQ_ARGS);
extern void QtoLMUQ(MEUNCOMP_UQ_ARGS);
extern void QtoMLUQ(MEUNCOMP_UQ_ARGS);
extern void QtoMMUQ(MEUNCOMP_UQ_ARGS);


#ifndef _XIEC_MEUNCOMP

#if XIE_FULL
/* Array of pointers to actions routines for unaligned triple band by pixel */
extern void (*EncodeTripleFuncs[2][2][2][2][2])();
#endif

#endif /* ifdef _XIEC_MEUNCOMP */