1 /* $Xorg: Xdbeproto.h,v 1.3 2000/08/18 04:05:45 coskrey Exp $ */ 2 /****************************************************************************** 3 * 4 * Copyright (c) 1994, 1995 Hewlett-Packard Company 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM, 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Except as contained in this notice, the name of the Hewlett-Packard 26 * Company shall not be used in advertising or otherwise to promote the 27 * sale, use or other dealings in this Software without prior written 28 * authorization from the Hewlett-Packard Company. 29 * 30 * Header file for Xlib-related DBE 31 * 32 *****************************************************************************/ 33 34 35 #ifndef XDBE_PROTO_H 36 #define XDBE_PROTO_H 37 38 /* INCLUDES */ 39 40 41 /* DEFINES */ 42 43 /* Values for swap_action field of XdbeSwapInfo structure */ 44 #define XdbeUndefined 0 45 #define XdbeBackground 1 46 #define XdbeUntouched 2 47 #define XdbeCopied 3 48 49 #ifdef NEED_DBE_PROTOCOL 50 51 #define DBE_PROTOCOL_NAME "DOUBLE-BUFFER" 52 53 /* Current version numbers */ 54 #define DBE_MAJOR_VERSION 1 55 #define DBE_MINOR_VERSION 0 56 57 /* Used when adding extension; also used in Xdbe macros */ 58 #define DbeNumberEvents 0 59 #define DbeBadBuffer 0 60 #define DbeNumberErrors (DbeBadBuffer + 1) 61 62 /* Request values used in (S)ProcDbeDispatch() */ 63 #define X_DbeGetVersion 0 64 #define X_DbeAllocateBackBufferName 1 65 #define X_DbeDeallocateBackBufferName 2 66 #define X_DbeSwapBuffers 3 67 #define X_DbeBeginIdiom 4 68 #define X_DbeEndIdiom 5 69 #define X_DbeGetVisualInfo 6 70 #define X_DbeGetBackBufferAttributes 7 71 72 typedef CARD8 xDbeSwapAction; 73 typedef CARD32 xDbeBackBuffer; 74 75 #endif /* NEED_DBE_PROTOCOL */ 76 77 78 /* TYPEDEFS */ 79 80 /* Client data types */ 81 82 /* XdbeVisualInfo and XdbeScreenVisualInfo are defined in this file, 83 * "Xdbeproto.h", rather than "Xdbe.h" because the server uses these data 84 * types. 85 */ 86 87 typedef struct 88 { 89 VisualID visual; /* one visual ID that supports double-buffering */ 90 int depth; /* depth of visual in bits */ 91 int perflevel; /* performance level of visual */ 92 } 93 XdbeVisualInfo; 94 95 typedef struct 96 { 97 int count; /* number of items in visual_depth */ 98 XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */ 99 } 100 XdbeScreenVisualInfo; 101 102 /* Protocol data types */ 103 104 #ifdef NEED_DBE_PROTOCOL 105 106 typedef struct 107 { 108 CARD32 window B32; /* window */ 109 xDbeSwapAction swapAction; /* swap action */ 110 CARD8 pad1; /* unused */ 111 CARD16 pad2 B16; 112 113 } xDbeSwapInfo; 114 115 typedef struct 116 { 117 CARD32 visualID B32; /* associated visual */ 118 CARD8 depth; /* depth of visual */ 119 CARD8 perfLevel; /* performance level hint */ 120 CARD16 pad1 B16; 121 122 } xDbeVisInfo; 123 #define sz_xDbeVisInfo 8 124 125 typedef struct 126 { 127 CARD32 n B32; /* number of visual info items in list */ 128 129 } xDbeScreenVisInfo; /* followed by n xDbeVisInfo items */ 130 131 typedef struct 132 { 133 CARD32 window B32; /* window */ 134 135 } xDbeBufferAttributes; 136 137 138 /* Requests and replies */ 139 140 typedef struct 141 { 142 CARD8 reqType; /* major-opcode: always codes->major_opcode */ 143 CARD8 dbeReqType; /* minor-opcode: always X_DbeGetVersion (0) */ 144 CARD16 length B16; /* request length: (2) */ 145 CARD8 majorVersion; /* client-major-version */ 146 CARD8 minorVersion; /* client-minor-version */ 147 CARD16 unused B16; /* unused */ 148 149 } xDbeGetVersionReq; 150 #define sz_xDbeGetVersionReq 8 151 152 typedef struct 153 { 154 BYTE type; /* Reply: X_Reply (1) */ 155 CARD8 unused; /* unused */ 156 CARD16 sequenceNumber B16; /* sequence number */ 157 CARD32 length B32; /* reply length: (0) */ 158 CARD8 majorVersion; /* server-major-version */ 159 CARD8 minorVersion; /* server-minor-version */ 160 CARD16 pad1 B16; /* unused */ 161 CARD32 pad2 B32; 162 CARD32 pad3 B32; 163 CARD32 pad4 B32; 164 CARD32 pad5 B32; 165 CARD32 pad6 B32; 166 167 } xDbeGetVersionReply; 168 #define sz_xDbeGetVersionReply 32 169 170 typedef struct 171 { 172 CARD8 reqType; /* major-opcode: codes->major_opcode */ 173 CARD8 dbeReqType; /* X_DbeAllocateBackBufferName (1) */ 174 CARD16 length B16; /* request length: (4) */ 175 CARD32 window B32; /* window */ 176 xDbeBackBuffer buffer B32; /* back buffer name */ 177 xDbeSwapAction swapAction; /* swap action hint */ 178 CARD8 pad1; /* unused */ 179 CARD16 pad2 B16; 180 181 } xDbeAllocateBackBufferNameReq; 182 #define sz_xDbeAllocateBackBufferNameReq 16 183 184 typedef struct 185 { 186 CARD8 reqType; /* major-opcode: codes->major_opcode */ 187 CARD8 dbeReqType; /* X_DbeDeallocateBackBufferName (2) */ 188 CARD16 length B16; /* request length: (2) */ 189 xDbeBackBuffer buffer B32; /* back buffer name */ 190 191 } xDbeDeallocateBackBufferNameReq; 192 #define sz_xDbeDeallocateBackBufferNameReq 8 193 194 typedef struct 195 { 196 CARD8 reqType; /* major-opcode: always codes->major_opcode */ 197 CARD8 dbeReqType; /* minor-opcode: always X_DbeSwapBuffers (3) */ 198 CARD16 length B16; /* request length: (2+2n) */ 199 CARD32 n B32; /* n, number of window/swap action pairs */ 200 201 } xDbeSwapBuffersReq; /* followed by n window/swap action pairs */ 202 #define sz_xDbeSwapBuffersReq 8 203 204 typedef struct 205 { 206 CARD8 reqType; /* major-opcode: always codes->major_opcode */ 207 CARD8 dbeReqType; /* minor-opcode: always X_DbeBeginIdom (4) */ 208 CARD16 length B16; /* request length: (1) */ 209 210 } xDbeBeginIdiomReq; 211 #define sz_xDbeBeginIdiomReq 4 212 213 typedef struct 214 { 215 CARD8 reqType; /* major-opcode: always codes->major_opcode */ 216 CARD8 dbeReqType; /* minor-opcode: always X_DbeEndIdom (5) */ 217 CARD16 length B16; /* request length: (1) */ 218 219 } xDbeEndIdiomReq; 220 #define sz_xDbeEndIdiomReq 4 221 222 typedef struct 223 { 224 CARD8 reqType; /* always codes->major_opcode */ 225 CARD8 dbeReqType; /* always X_DbeGetVisualInfo (6) */ 226 CARD16 length B16; /* request length: (2+n) */ 227 CARD32 n B32; /* n, number of drawables in list */ 228 229 } xDbeGetVisualInfoReq; /* followed by n drawables */ 230 #define sz_xDbeGetVisualInfoReq 8 231 232 typedef struct 233 { 234 BYTE type; /* Reply: X_Reply (1) */ 235 CARD8 unused; /* unused */ 236 CARD16 sequenceNumber B16; /* sequence number */ 237 CARD32 length B32; /* reply length */ 238 CARD32 m; /* m, number of visual infos in list */ 239 CARD32 pad1 B32; /* unused */ 240 CARD32 pad2 B32; 241 CARD32 pad3 B32; 242 CARD32 pad4 B32; 243 CARD32 pad5 B32; 244 245 } xDbeGetVisualInfoReply; /* followed by m visual infos */ 246 #define sz_xDbeGetVisualInfoReply 32 247 248 typedef struct 249 { 250 CARD8 reqType; /* always codes->major_opcode */ 251 CARD8 dbeReqType; /* X_DbeGetBackBufferAttributes (7) */ 252 CARD16 length B16; /* request length: (2) */ 253 xDbeBackBuffer buffer B32; /* back buffer name */ 254 255 } xDbeGetBackBufferAttributesReq; 256 #define sz_xDbeGetBackBufferAttributesReq 8 257 258 typedef struct 259 { 260 BYTE type; /* Reply: X_Reply (1) */ 261 CARD8 unused; /* unused */ 262 CARD16 sequenceNumber B16; /* sequence number */ 263 CARD32 length B32; /* reply length: (0) */ 264 CARD32 attributes; /* attributes */ 265 CARD32 pad1 B32; /* unused */ 266 CARD32 pad2 B32; 267 CARD32 pad3 B32; 268 CARD32 pad4 B32; 269 CARD32 pad5 B32; 270 271 } xDbeGetBackBufferAttributesReply; 272 #define sz_xDbeGetBackBufferAttributesReply 32 273 274 #endif /* NEED_DBE_PROTOCOL */ 275 276 #endif /* XDBE_PROTO_H */ 277 278
