shmint.h (2743B)
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_ */