xserver-multidpi/Xext/shmint.h
Keith Packard 7710f2b927 Xext: Move MIT-SHM 'ShmDesc' to shmint.h
This data structure is required to use shared memory objects in any
extension. That includes the Xv extension, which (before this patch)
duplicated the definition of this structure in its own code.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
2013-10-31 16:57:57 -07:00

79 lines
2.4 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;
typedef struct _ShmDesc {
struct _ShmDesc *next;
int shmid;
int refcnt;
char *addr;
Bool writable;
unsigned long size;
} ShmDescRec, *ShmDescPtr;
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_ */