components/x11/libdga/src/pix_grab.h

   1 /* Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved.
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a
   4  * copy of this software and associated documentation files (the "Software"),
   5  * to deal in the Software without restriction, including without limitation
   6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7  * and/or sell copies of the Software, and to permit persons to whom the
   8  * Software is furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice (including the next
  11  * paragraph) shall be included in all copies or substantial portions of the
  12  * Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22
  23
  24 #ifndef _PIX_GRAB_H
  25 #define _PIX_GRAB_H
  26
  27 #ifndef PMODIF
  28 #define PMODIF  1               /* server has set a new cache */
  29 #define PIX_FILE "/shpxm"       /* Shared info file base name*/
  30                                 /* name is base name + port # + '.'  */
  31                                 /* + pixmap id               */
  32 #define PIX_FAILED  0           /* Fail Value returned from pix funcs     */
  33 #define PIX_PASSED  -1          /* Pass Value returned from pix funcs     */
  34
  35 /* client structure's pix_flag values */
  36 #define PIX_NOTICE_CLIPCHG      1
  37
  38 /*
  39  *  Shared Pixmap Information.  This structure contains the information
  40  *  necessary to allow the server and client to share access to a DGA
  41  *  pixmap .  This information is located in the first page of
  42  *  the shared memory created by the server in response to a call to
  43  *  XDgaGrabPixmap().  The server communicates the current state
  44  *  of the shared pixmap to the client through the fields within
  45  *  this structure.
  46  */
  47
  48 typedef struct shpx_client_entry {
  49     u_int     cid;         /* client id */
  50     SHPX_DIRECTORY  *shpx_directory; /* server's per client shpx dir */
  51     u_int     fd;          /* server's per client file descrptr*/
  52     u_int     size;        /* client file size */
  53     u_int     npix;        /* number of pixmaps using this entry */
  54 } SHPX_CLIENT_ENTRY;
  55
  56
  57 /*
  58  *  Internal DGA Pixmap Macros
  59  */
  60
  61 #define PIX_INFOP(clientp) ((SHARED_PIXMAP_INFO *) ((clientp)->p_infop))
  62
  63 /* definitions of lock marcos for pixmaps - move this to dga.h later */
  64
  65
  66 /* DGA_LOCK_SRC_AND_DST will go here after they are debugged */
  67 #endif  /* PMODIF */
  68 #endif /* _PIX_GRAB_H */