components/x11/libdga/src/dga_Xrequests.h

   1 /* Copyright (c) 1993, 1999, 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 /*
  25  * dga_Xrequests.h - DGA X11 protocol extension definitions
  26  */
  27
  28 #ifndef _DGA_XREQUESTS_H
  29 #define _DGA_XREQUESTS_H
  30
  31 /*
  32  *
  33  *-----------------------------------------------------------------------
  34  * DGA minor op codes
  35  *-----------------------------------------------------------------------
  36  *
  37  */
  38 #define SUN_DGA_MAJOR_VERSION   3       /* current version numbers */
  39 #define SUN_DGA_MINOR_VERSION   2
  40
  41 /* protocol requests in Protocol Version 1 - OpenWindows 2.0 FCS */
  42 #define  X_DgaGrabWindow_Old    1
  43 #define  X_DgaUnGrabWindow_Old  2
  44 #define  X_DgaGrabColormap_Old  3
  45 #define  X_DgaUnGrabColormap_Old 4
  46
  47
  48 /* additional protocol requests in Protocol Version 2 - OpenWindows 3.0 Beta */
  49 #define  X_DgaGrabWids          5
  50 #define  X_DgaGrabBuffers       6
  51 #define  X_DgaUnGrabBuffers     7
  52 #define  X_DgaGrabFCS           8
  53 #define  X_DgaGrabZbuf          9
  54 #define  X_DgaGrabStereo       10
  55 #define  X_DgaGrabWindow       11
  56 #define  X_DgaUnGrabWindow     12
  57
  58
  59 /* additional protocol requests in Protocol Version 3 - OpenWindows 3.0 FCS */
  60 #define  X_DgaGrabColormap     13
  61 #define  X_DgaUnGrabColormap   14
  62 #define  X_DgaGrabRetained     15
  63 #define  X_DgaUnGrabRetained   16
  64 #define  X_DgaGetRetainedPath  17
  65 #define  X_DgaQueryVersion     18
  66
  67 /* additional protocol requests in Protocol Version 3 - OpenWindows 3.0.1 FCS*/
  68 #define  X_DgaGrabPixmap       19
  69 #define  X_DgaUnGrabPixmap     20
  70
  71 /* additional protocol requests in Protocol Version 3 - OpenWindows 3.4 FCS*/
  72 #define  X_DgaGrabDrawable     21
  73 #define  X_DgaUnGrabDrawable   22
  74
  75 /* additional protocol requests in Protocol Version 4 - OpenWindows 3.6 FCS*/
  76 #define X_DgaGrabABuffers      23
  77 #define X_DgaUnGrabABuffers    24
  78
  79 #define X_DgaXineramaInfo       25
  80
  81 /*
  82 ** Types of grabbable drawables
  83 */
  84
  85 #define DGA_PROTO_WINDOW  0
  86 #define DGA_PROTO_PIXMAP  1
  87 #define DGA_PROTO_OVERLAY 2
  88
  89 /*
  90  * DGA request structure
  91  */
  92
  93 #define sz_xDGAReq 12
  94
  95 typedef struct {
  96     CARD8 reqType;
  97     BYTE pad;
  98     CARD16 length B16;
  99     CARD32 id B32;  /* a Window, Drawable, Font, GContext, Pixmap, etc. */
 100     CARD32 number_objects B32;
 101     } xDGAReq;
 102
 103 /* DGA Ancillary Buffer request structure */
 104 typedef struct {
 105     CARD8 reqType;
 106     BYTE pad;
 107     CARD16 length B16;
 108     CARD32 id B32;  /* a Window, Drawable, Font, GContext, Pixmap, etc. */
 109     CARD32 type B32;
 110     CARD32 buffer_site B32;
 111     } xDgaGrabABuffersReq;
 112
 113 #define sz_xDgaGrabABuffersReq (sizeof(xDgaGrabABuffersReq))
 114
 115 /*
 116  * DGA shared retained path request structure
 117  */
 118
 119 #define xDGARtndPathLength      200
 120 #define sz_xDGARtndPathReply    (sizeof(xDGARtndPathReply))
 121
 122 typedef struct {
 123     BYTE type;                        /* X_Reply */
 124     CARD8 pad;
 125     CARD16 sequenceNumber B16;
 126     CARD32 length B32;
 127     INT8  path[xDGARtndPathLength];
 128     } xDGARtndPathReply;
 129
 130
 131
 132 /*
 133  * DgaQueryVersion request and reply structures
 134  */
 135
 136 typedef struct {
 137     CARD8       reqType;                /* always SUN_DGA major opcode */
 138     CARD8       dgaReqType;             /* always X_DgaQueryVersion */
 139     CARD16      length B16;
 140 } xDgaQueryVersionReq;
 141 #define sz_xDgaQueryVersionReq  4
 142
 143 typedef struct {
 144     BYTE        type;                   /* X_Reply */
 145     CARD8       unused;
 146     CARD16      sequenceNumber B16;
 147     CARD32      length B32;
 148     CARD16      majorVersion B16;
 149     CARD16      minorVersion B16;
 150     CARD32      pad0 B32;
 151     CARD32      pad1 B32;
 152     CARD32      pad2 B32;
 153     CARD32      pad3 B32;
 154     CARD32      pad4 B32;
 155 } xDgaQueryVersionReply;
 156 #define sz_xDgaQueryVersionReply        32
 157
 158
 159 struct dga_extinfo {
 160         int protocol_major_version;     /* major version num of DGA protocol */
 161         int protocol_minor_version;     /* minor version num of DGA protocol */
 162         int extension;                  /* extension number */
 163         int major_opcode;               /* major op-code assigned by server */
 164         };
 165
 166
 167 struct dga_xwinrec {
 168         struct dga_xwinrec      *next;
 169         Dga_token               token;
 170         Display                 *dpy;
 171         Window                  win;
 172         int                     refcnt;
 173         };
 174
 175 struct dga_xpixrec {
 176     struct dga_xpixrec  *next;
 177     Dga_token       token;
 178     Display         *dpy;
 179     Pixmap          pix;
 180     int         refcnt;
 181     };
 182
 183
 184
 185 #endif /* _DGA_XREQUESTS_H */