| 1 | /* |
| 2 | * Copyright © 2003 Keith Packard |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation, and that the name of Keith Packard not be used in |
| 9 | * advertising or publicity pertaining to distribution of the software without |
| 10 | * specific, written prior permission. Keith Packard makes no |
| 11 | * representations about the suitability of this software for any purpose. It |
| 12 | * is provided "as is" without express or implied warranty. |
| 13 | * |
| 14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 20 | * PERFORMANCE OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef _SHMINT_H_ |
| 24 | #define _SHMINT_H_ |
| 25 | |
| 26 | #include <X11/extensions/shmproto.h> |
| 27 | |
| 28 | #include "screenint.h" |
| 29 | #include "pixmap.h" |
| 30 | #include "gc.h" |
| 31 | |
| 32 | #define XSHM_PUT_IMAGE_ARGS \ |
| 33 | DrawablePtr /* dst */, \ |
| 34 | GCPtr /* pGC */, \ |
| 35 | int /* depth */, \ |
| 36 | unsigned int /* format */, \ |
| 37 | int /* w */, \ |
| 38 | int /* h */, \ |
| 39 | int /* sx */, \ |
| 40 | int /* sy */, \ |
| 41 | int /* sw */, \ |
| 42 | int /* sh */, \ |
| 43 | int /* dx */, \ |
| 44 | int /* dy */, \ |
| 45 | char * /* data */ |
| 46 | |
| 47 | #define XSHM_CREATE_PIXMAP_ARGS \ |
| 48 | ScreenPtr /* pScreen */, \ |
| 49 | int /* width */, \ |
| 50 | int /* height */, \ |
| 51 | int /* depth */, \ |
| 52 | char * /* addr */ |
| 53 | |
| 54 | typedef struct _ShmFuncs { |
| 55 | PixmapPtr (*CreatePixmap) (XSHM_CREATE_PIXMAP_ARGS); |
| 56 | void (*PutImage) (XSHM_PUT_IMAGE_ARGS); |
| 57 | } ShmFuncs, *ShmFuncsPtr; |
| 58 | |
| 59 | #if XTRANS_SEND_FDS |
| 60 | #define SHM_FD_PASSING 1 |
| 61 | #endif |
| 62 | |
| 63 | typedef struct _ShmDesc { |
| 64 | struct _ShmDesc *next; |
| 65 | int shmid; |
| 66 | int refcnt; |
| 67 | char *addr; |
| 68 | Bool writable; |
| 69 | unsigned long size; |
| 70 | #ifdef SHM_FD_PASSING |
| 71 | Bool is_fd; |
| 72 | struct busfault *busfault; |
| 73 | XID resource; |
| 74 | #endif |
| 75 | } ShmDescRec, *ShmDescPtr; |
| 76 | |
| 77 | #ifdef SHM_FD_PASSING |
| 78 | #define SHMDESC_IS_FD(shmdesc) ((shmdesc)->is_fd) |
| 79 | #else |
| 80 | #define SHMDESC_IS_FD(shmdesc) (0) |
| 81 | #endif |
| 82 | |
| 83 | extern _X_EXPORT void |
| 84 | ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs); |
| 85 | |
| 86 | extern _X_EXPORT void |
| 87 | ShmRegisterFbFuncs(ScreenPtr pScreen); |
| 88 | |
| 89 | extern _X_EXPORT RESTYPE ShmSegType; |
| 90 | extern _X_EXPORT int ShmCompletionCode; |
| 91 | extern _X_EXPORT int BadShmSegCode; |
| 92 | |
| 93 | #endif /* _SHMINT_H_ */ |