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