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shmproto.h

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/* 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_ */

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