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xserver/Xext/shmint.h

94 lines
2.7 KiB
C

/*
* Copyright © 2003 Keith Packard
*
* 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
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SHMINT_H_
#define _SHMINT_H_
#include <X11/extensions/shmproto.h>
#include "screenint.h"
#include "pixmap.h"
#include "gc.h"
#define XSHM_PUT_IMAGE_ARGS \
DrawablePtr /* dst */, \
GCPtr /* pGC */, \
int /* depth */, \
unsigned int /* format */, \
int /* w */, \
int /* h */, \
int /* sx */, \
int /* sy */, \
int /* sw */, \
int /* sh */, \
int /* dx */, \
int /* dy */, \
char * /* data */
#define XSHM_CREATE_PIXMAP_ARGS \
ScreenPtr /* pScreen */, \
int /* width */, \
int /* height */, \
int /* depth */, \
char * /* addr */
typedef struct _ShmFuncs {
PixmapPtr (*CreatePixmap) (XSHM_CREATE_PIXMAP_ARGS);
void (*PutImage) (XSHM_PUT_IMAGE_ARGS);
} ShmFuncs, *ShmFuncsPtr;
#if XTRANS_SEND_FDS
#define SHM_FD_PASSING 1
#endif
typedef struct _ShmDesc {
struct _ShmDesc *next;
int shmid;
int refcnt;
char *addr;
Bool writable;
unsigned long size;
#ifdef SHM_FD_PASSING
Bool is_fd;
struct busfault *busfault;
XID resource;
#endif
} ShmDescRec, *ShmDescPtr;
#ifdef SHM_FD_PASSING
#define SHMDESC_IS_FD(shmdesc) ((shmdesc)->is_fd)
#else
#define SHMDESC_IS_FD(shmdesc) (0)
#endif
extern _X_EXPORT void
ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs);
extern _X_EXPORT void
ShmRegisterFbFuncs(ScreenPtr pScreen);
extern _X_EXPORT RESTYPE ShmSegType;
extern _X_EXPORT int ShmCompletionCode;
extern _X_EXPORT int BadShmSegCode;
#endif /* _SHMINT_H_ */