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Filename : shmproto.h
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/************************************************************

Copyright 1989, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
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The above copyright notice and this permission notice shall be included in
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

********************************************************/

/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */

#ifndef _SHMPROTO_H_
#define _SHMPROTO_H_

#include <X11/extensions/shm.h>

#define ShmSeg CARD32
#define Drawable CARD32
#define VisualID CARD32
#define GContext CARD32
#define Pixmap CARD32

#define X_ShmQueryVersion		0
#define X_ShmAttach			1
#define X_ShmDetach			2
#define X_ShmPutImage			3
#define X_ShmGetImage			4
#define X_ShmCreatePixmap		5
#define X_ShmAttachFd                   6
#define X_ShmCreateSegment              7

typedef struct _ShmQueryVersion {
    CARD8	reqType;		/* always ShmReqCode */
    CARD8	shmReqType;		/* always X_ShmQueryVersion */
    CARD16	length;
} xShmQueryVersionReq;
#define sz_xShmQueryVersionReq	4

typedef struct {
    BYTE	type;			/* X_Reply */
    BOOL	sharedPixmaps;
    CARD16	sequenceNumber;
    CARD32	length;
    CARD16	majorVersion;		/* major version of SHM protocol */
    CARD16	minorVersion;		/* minor version of SHM protocol */
    CARD16	uid;
    CARD16	gid;
    CARD8	pixmapFormat;
    CARD8	pad0;
    CARD16	pad1;
    CARD32	pad2;
    CARD32	pad3;
    CARD32	pad4;
} xShmQueryVersionReply;
#define sz_xShmQueryVersionReply	32

typedef struct _ShmAttach {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmAttach */
    CARD16	length;
    ShmSeg	shmseg;
    CARD32	shmid;
    BOOL	readOnly;
    BYTE	pad0;
    CARD16	pad1;
} xShmAttachReq;
#define sz_xShmAttachReq	16

typedef struct _ShmDetach {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmDetach */
    CARD16	length;
    ShmSeg	shmseg;
} xShmDetachReq;
#define sz_xShmDetachReq	8

typedef struct _ShmPutImage {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmPutImage */
    CARD16	length;
    Drawable	drawable;
    GContext	gc;
    CARD16	totalWidth;
    CARD16	totalHeight;
    CARD16	srcX;
    CARD16	srcY;
    CARD16	srcWidth;
    CARD16	srcHeight;
    INT16	dstX;
    INT16	dstY;
    CARD8	depth;
    CARD8	format;
    CARD8	sendEvent;
    CARD8	bpad;
    ShmSeg	shmseg;
    CARD32	offset;
} xShmPutImageReq;
#define sz_xShmPutImageReq	40

typedef struct _ShmGetImage {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmGetImage */
    CARD16	length;
    Drawable	drawable;
    INT16	x;
    INT16	y;
    CARD16	width;
    CARD16	height;
    CARD32	planeMask;
    CARD8	format;
    CARD8	pad0;
    CARD8	pad1;
    CARD8	pad2;
    ShmSeg	shmseg;
    CARD32	offset;
} xShmGetImageReq;
#define sz_xShmGetImageReq	32

typedef struct _ShmGetImageReply {
    BYTE	type;  /* X_Reply */
    CARD8	depth;
    CARD16	sequenceNumber;
    CARD32	length;
    VisualID	visual;
    CARD32	size;
    CARD32	pad0;
    CARD32	pad1;
    CARD32	pad2;
    CARD32	pad3;
} xShmGetImageReply;
#define sz_xShmGetImageReply	32

typedef struct _ShmCreatePixmap {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmCreatePixmap */
    CARD16	length;
    Pixmap	pid;
    Drawable	drawable;
    CARD16	width;
    CARD16	height;
    CARD8	depth;
    CARD8	pad0;
    CARD8	pad1;
    CARD8	pad2;
    ShmSeg	shmseg;
    CARD32	offset;
} xShmCreatePixmapReq;
#define sz_xShmCreatePixmapReq 28

typedef struct _ShmCompletion {
    BYTE	type;		/* always eventBase + ShmCompletion */
    BYTE	bpad0;
    CARD16	sequenceNumber;
    Drawable	drawable;
    CARD16	minorEvent;
    BYTE	majorEvent;
    BYTE	bpad1;
    ShmSeg	shmseg;
    CARD32	offset;
    CARD32	pad0;
    CARD32	pad1;
    CARD32	pad2;
} xShmCompletionEvent;
#define sz_xShmCompletionEvent	32

/* Version 1.2 additions */
typedef struct _ShmAttachFd {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmAttachFd */
    CARD16	length;
    ShmSeg	shmseg;
    BOOL	readOnly;
    BYTE	pad0;
    CARD16	pad1;
} xShmAttachFdReq;
/* File descriptor is passed with this request */
#define sz_xShmAttachFdReq	12

typedef struct _ShmCreateSegment {
    CARD8	reqType;	/* always ShmReqCode */
    CARD8	shmReqType;	/* always X_ShmAttachFd */
    CARD16	length;
    ShmSeg	shmseg;
    CARD32	size;
    BOOL	readOnly;
    BYTE	pad0;
    CARD16	pad1;
} xShmCreateSegmentReq;
#define sz_xShmCreateSegmentReq 16

typedef struct {
    CARD8	type;			/* must be X_Reply */
    CARD8	nfd;			/* must be 1	*/
    CARD16	sequenceNumber;		/* last sequence number */
    CARD32	length;			/* 0 */
    CARD32	pad2;			/* unused */
    CARD32	pad3;			/* unused */
    CARD32	pad4;			/* unused */
    CARD32	pad5;			/* unused */
    CARD32	pad6;			/* unused */
    CARD32	pad7;			/* unused */
} xShmCreateSegmentReply;
/* File descriptor is passed with this reply */
#define sz_xShmCreateSegmentReply	32

#undef ShmSeg
#undef Drawable
#undef VisualID
#undef GContext
#undef Pixmap

#endif /* _SHMPROTO_H_ */