| 1 | /************************************************************************** |
| 2 | |
| 3 | Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
| 4 | Copyright 2000 VA Linux Systems, Inc. |
| 5 | Copyright (c) 2002, 2009-2012 Apple Inc. |
| 6 | All Rights Reserved. |
| 7 | |
| 8 | Permission is hereby granted, free of charge, to any person obtaining a |
| 9 | copy of this software and associated documentation files (the |
| 10 | "Software"), to deal in the Software without restriction, including |
| 11 | without limitation the rights to use, copy, modify, merge, publish, |
| 12 | distribute, sub license, and/or sell copies of the Software, and to |
| 13 | permit persons to whom the Software is furnished to do so, subject to |
| 14 | the following conditions: |
| 15 | |
| 16 | The above copyright notice and this permission notice (including the |
| 17 | next paragraph) shall be included in all copies or substantial portions |
| 18 | of the Software. |
| 19 | |
| 20 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 21 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 22 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 23 | IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 24 | ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 25 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 26 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 27 | |
| 28 | **************************************************************************/ |
| 29 | |
| 30 | /* |
| 31 | * Authors: |
| 32 | * Kevin E. Martin <martin@valinux.com> |
| 33 | * Jens Owen <jens@valinux.com> |
| 34 | * Rickard E. (Rik) Faith <faith@valinux.com> |
| 35 | * Jeremy Huddleston <jeremyhu@apple.com> |
| 36 | * |
| 37 | */ |
| 38 | |
| 39 | #ifdef HAVE_DIX_CONFIG_H |
| 40 | #include <dix-config.h> |
| 41 | #endif |
| 42 | |
| 43 | #include <X11/X.h> |
| 44 | #include <X11/Xproto.h> |
| 45 | #include "misc.h" |
| 46 | #include "dixstruct.h" |
| 47 | #include "extnsionst.h" |
| 48 | #include "colormapst.h" |
| 49 | #include "cursorstr.h" |
| 50 | #include "scrnintstr.h" |
| 51 | #include "servermd.h" |
| 52 | #define _APPLEDRI_SERVER_ |
| 53 | #include "appledristr.h" |
| 54 | #include "swaprep.h" |
| 55 | #include "dri.h" |
| 56 | #include "dristruct.h" |
| 57 | #include "xpr.h" |
| 58 | #include "x-hash.h" |
| 59 | #include "protocol-versions.h" |
| 60 | |
| 61 | static int DRIErrorBase = 0; |
| 62 | |
| 63 | static void |
| 64 | AppleDRIResetProc(ExtensionEntry* extEntry); |
| 65 | static int |
| 66 | ProcAppleDRICreatePixmap(ClientPtr client); |
| 67 | |
| 68 | static unsigned char DRIReqCode = 0; |
| 69 | static int DRIEventBase = 0; |
| 70 | |
| 71 | static void |
| 72 | SNotifyEvent(xAppleDRINotifyEvent *from, xAppleDRINotifyEvent *to); |
| 73 | |
| 74 | typedef struct _DRIEvent *DRIEventPtr; |
| 75 | typedef struct _DRIEvent { |
| 76 | DRIEventPtr next; |
| 77 | ClientPtr client; |
| 78 | XID clientResource; |
| 79 | unsigned int mask; |
| 80 | } DRIEventRec; |
| 81 | |
| 82 | /*ARGSUSED*/ |
| 83 | static void |
| 84 | AppleDRIResetProc(ExtensionEntry* extEntry) |
| 85 | { |
| 86 | DRIReset(); |
| 87 | } |
| 88 | |
| 89 | static int |
| 90 | ProcAppleDRIQueryVersion(register ClientPtr client) |
| 91 | { |
| 92 | xAppleDRIQueryVersionReply rep; |
| 93 | |
| 94 | REQUEST_SIZE_MATCH(xAppleDRIQueryVersionReq); |
| 95 | rep.type = X_Reply; |
| 96 | rep.length = 0; |
| 97 | rep.sequenceNumber = client->sequence; |
| 98 | rep.majorVersion = SERVER_APPLEDRI_MAJOR_VERSION; |
| 99 | rep.minorVersion = SERVER_APPLEDRI_MINOR_VERSION; |
| 100 | rep.patchVersion = SERVER_APPLEDRI_PATCH_VERSION; |
| 101 | if (client->swapped) { |
| 102 | swaps(&rep.sequenceNumber); |
| 103 | swapl(&rep.length); |
| 104 | swaps(&rep.majorVersion); |
| 105 | swaps(&rep.minorVersion); |
| 106 | swapl(&rep.patchVersion); |
| 107 | } |
| 108 | WriteToClient(client, sizeof(xAppleDRIQueryVersionReply), &rep); |
| 109 | return Success; |
| 110 | } |
| 111 | |
| 112 | /* surfaces */ |
| 113 | |
| 114 | static int |
| 115 | ProcAppleDRIQueryDirectRenderingCapable(register ClientPtr client) |
| 116 | { |
| 117 | xAppleDRIQueryDirectRenderingCapableReply rep; |
| 118 | Bool isCapable; |
| 119 | |
| 120 | REQUEST(xAppleDRIQueryDirectRenderingCapableReq); |
| 121 | REQUEST_SIZE_MATCH(xAppleDRIQueryDirectRenderingCapableReq); |
| 122 | rep.type = X_Reply; |
| 123 | rep.length = 0; |
| 124 | rep.sequenceNumber = client->sequence; |
| 125 | |
| 126 | if (stuff->screen >= screenInfo.numScreens) { |
| 127 | return BadValue; |
| 128 | } |
| 129 | |
| 130 | if (!DRIQueryDirectRenderingCapable(screenInfo.screens[stuff->screen], |
| 131 | &isCapable)) { |
| 132 | return BadValue; |
| 133 | } |
| 134 | rep.isCapable = isCapable; |
| 135 | |
| 136 | if (!client->local) |
| 137 | rep.isCapable = 0; |
| 138 | |
| 139 | if (client->swapped) { |
| 140 | swaps(&rep.sequenceNumber); |
| 141 | swapl(&rep.length); |
| 142 | } |
| 143 | |
| 144 | WriteToClient(client, |
| 145 | sizeof(xAppleDRIQueryDirectRenderingCapableReply), |
| 146 | &rep); |
| 147 | return Success; |
| 148 | } |
| 149 | |
| 150 | static int |
| 151 | ProcAppleDRIAuthConnection(register ClientPtr client) |
| 152 | { |
| 153 | xAppleDRIAuthConnectionReply rep; |
| 154 | |
| 155 | REQUEST(xAppleDRIAuthConnectionReq); |
| 156 | REQUEST_SIZE_MATCH(xAppleDRIAuthConnectionReq); |
| 157 | |
| 158 | rep.type = X_Reply; |
| 159 | rep.length = 0; |
| 160 | rep.sequenceNumber = client->sequence; |
| 161 | rep.authenticated = 1; |
| 162 | |
| 163 | if (!DRIAuthConnection(screenInfo.screens[stuff->screen], |
| 164 | stuff->magic)) { |
| 165 | ErrorF("Failed to authenticate %u\n", (unsigned int)stuff->magic); |
| 166 | rep.authenticated = 0; |
| 167 | } |
| 168 | |
| 169 | if (client->swapped) { |
| 170 | swaps(&rep.sequenceNumber); |
| 171 | swapl(&rep.length); |
| 172 | swapl(&rep.authenticated); /* Yes, this is a CARD32 ... sigh */ |
| 173 | } |
| 174 | |
| 175 | WriteToClient(client, sizeof(xAppleDRIAuthConnectionReply), &rep); |
| 176 | return Success; |
| 177 | } |
| 178 | |
| 179 | static void |
| 180 | surface_notify(void *_arg, |
| 181 | void *data) |
| 182 | { |
| 183 | DRISurfaceNotifyArg *arg = _arg; |
| 184 | int client_index = (int)x_cvt_vptr_to_uint(data); |
| 185 | xAppleDRINotifyEvent se; |
| 186 | |
| 187 | if (client_index < 0 || client_index >= currentMaxClients) |
| 188 | return; |
| 189 | |
| 190 | se.type = DRIEventBase + AppleDRISurfaceNotify; |
| 191 | se.kind = arg->kind; |
| 192 | se.arg = arg->id; |
| 193 | se.time = currentTime.milliseconds; |
| 194 | WriteEventsToClient(clients[client_index], 1, (xEvent *)&se); |
| 195 | } |
| 196 | |
| 197 | static int |
| 198 | ProcAppleDRICreateSurface(ClientPtr client) |
| 199 | { |
| 200 | xAppleDRICreateSurfaceReply rep; |
| 201 | DrawablePtr pDrawable; |
| 202 | xp_surface_id sid; |
| 203 | unsigned int key[2]; |
| 204 | int rc; |
| 205 | |
| 206 | REQUEST(xAppleDRICreateSurfaceReq); |
| 207 | REQUEST_SIZE_MATCH(xAppleDRICreateSurfaceReq); |
| 208 | rep.type = X_Reply; |
| 209 | rep.length = 0; |
| 210 | rep.sequenceNumber = client->sequence; |
| 211 | |
| 212 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, |
| 213 | DixReadAccess); |
| 214 | if (rc != Success) |
| 215 | return rc; |
| 216 | |
| 217 | rep.key_0 = rep.key_1 = rep.uid = 0; |
| 218 | |
| 219 | if (!DRICreateSurface(screenInfo.screens[stuff->screen], |
| 220 | (Drawable)stuff->drawable, pDrawable, |
| 221 | stuff->client_id, &sid, key, |
| 222 | surface_notify, |
| 223 | x_cvt_uint_to_vptr(client->index))) { |
| 224 | return BadValue; |
| 225 | } |
| 226 | |
| 227 | rep.key_0 = key[0]; |
| 228 | rep.key_1 = key[1]; |
| 229 | rep.uid = sid; |
| 230 | |
| 231 | if (client->swapped) { |
| 232 | swaps(&rep.sequenceNumber); |
| 233 | swapl(&rep.length); |
| 234 | swapl(&rep.key_0); |
| 235 | swapl(&rep.key_1); |
| 236 | swapl(&rep.uid); |
| 237 | } |
| 238 | |
| 239 | WriteToClient(client, sizeof(xAppleDRICreateSurfaceReply), &rep); |
| 240 | return Success; |
| 241 | } |
| 242 | |
| 243 | static int |
| 244 | ProcAppleDRIDestroySurface(register ClientPtr client) |
| 245 | { |
| 246 | int rc; |
| 247 | REQUEST(xAppleDRIDestroySurfaceReq); |
| 248 | DrawablePtr pDrawable; |
| 249 | REQUEST_SIZE_MATCH(xAppleDRIDestroySurfaceReq); |
| 250 | |
| 251 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, |
| 252 | DixReadAccess); |
| 253 | if (rc != Success) |
| 254 | return rc; |
| 255 | |
| 256 | if (!DRIDestroySurface(screenInfo.screens[stuff->screen], |
| 257 | (Drawable)stuff->drawable, |
| 258 | pDrawable, NULL, NULL)) { |
| 259 | return BadValue; |
| 260 | } |
| 261 | |
| 262 | return Success; |
| 263 | } |
| 264 | |
| 265 | static int |
| 266 | ProcAppleDRICreatePixmap(ClientPtr client) |
| 267 | { |
| 268 | REQUEST(xAppleDRICreatePixmapReq); |
| 269 | DrawablePtr pDrawable; |
| 270 | int rc; |
| 271 | char path[PATH_MAX]; |
| 272 | xAppleDRICreatePixmapReply rep; |
| 273 | int width, height, pitch, bpp; |
| 274 | void *ptr; |
| 275 | |
| 276 | REQUEST_SIZE_MATCH(xAppleDRICreatePixmapReq); |
| 277 | |
| 278 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, |
| 279 | DixReadAccess); |
| 280 | |
| 281 | if (rc != Success) |
| 282 | return rc; |
| 283 | |
| 284 | if (!DRICreatePixmap(screenInfo.screens[stuff->screen], |
| 285 | (Drawable)stuff->drawable, |
| 286 | pDrawable, |
| 287 | path, PATH_MAX)) { |
| 288 | return BadValue; |
| 289 | } |
| 290 | |
| 291 | if (!DRIGetPixmapData(pDrawable, &width, &height, |
| 292 | &pitch, &bpp, &ptr)) { |
| 293 | return BadValue; |
| 294 | } |
| 295 | |
| 296 | rep.stringLength = strlen(path) + 1; |
| 297 | |
| 298 | rep.type = X_Reply; |
| 299 | rep.length = bytes_to_int32(rep.stringLength); |
| 300 | rep.sequenceNumber = client->sequence; |
| 301 | rep.width = width; |
| 302 | rep.height = height; |
| 303 | rep.pitch = pitch; |
| 304 | rep.bpp = bpp; |
| 305 | rep.size = pitch * height; |
| 306 | |
| 307 | if (sizeof(rep) != sz_xAppleDRICreatePixmapReply) |
| 308 | ErrorF("error sizeof(rep) is %zu\n", sizeof(rep)); |
| 309 | |
| 310 | if (client->swapped) { |
| 311 | swaps(&rep.sequenceNumber); |
| 312 | swapl(&rep.length); |
| 313 | swapl(&rep.stringLength); |
| 314 | swapl(&rep.width); |
| 315 | swapl(&rep.height); |
| 316 | swapl(&rep.pitch); |
| 317 | swapl(&rep.bpp); |
| 318 | swapl(&rep.size); |
| 319 | } |
| 320 | |
| 321 | WriteToClient(client, sizeof(rep), &rep); |
| 322 | WriteToClient(client, rep.stringLength, path); |
| 323 | |
| 324 | return Success; |
| 325 | } |
| 326 | |
| 327 | static int |
| 328 | ProcAppleDRIDestroyPixmap(ClientPtr client) |
| 329 | { |
| 330 | DrawablePtr pDrawable; |
| 331 | int rc; |
| 332 | REQUEST(xAppleDRIDestroyPixmapReq); |
| 333 | REQUEST_SIZE_MATCH(xAppleDRIDestroyPixmapReq); |
| 334 | |
| 335 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, |
| 336 | DixReadAccess); |
| 337 | |
| 338 | if (rc != Success) |
| 339 | return rc; |
| 340 | |
| 341 | DRIDestroyPixmap(pDrawable); |
| 342 | |
| 343 | return Success; |
| 344 | } |
| 345 | |
| 346 | /* dispatch */ |
| 347 | |
| 348 | static int |
| 349 | ProcAppleDRIDispatch(register ClientPtr client) |
| 350 | { |
| 351 | REQUEST(xReq); |
| 352 | |
| 353 | switch (stuff->data) { |
| 354 | case X_AppleDRIQueryVersion: |
| 355 | return ProcAppleDRIQueryVersion(client); |
| 356 | |
| 357 | case X_AppleDRIQueryDirectRenderingCapable: |
| 358 | return ProcAppleDRIQueryDirectRenderingCapable(client); |
| 359 | } |
| 360 | |
| 361 | if (!client->local) |
| 362 | return DRIErrorBase + AppleDRIClientNotLocal; |
| 363 | |
| 364 | switch (stuff->data) { |
| 365 | case X_AppleDRIAuthConnection: |
| 366 | return ProcAppleDRIAuthConnection(client); |
| 367 | |
| 368 | case X_AppleDRICreateSurface: |
| 369 | return ProcAppleDRICreateSurface(client); |
| 370 | |
| 371 | case X_AppleDRIDestroySurface: |
| 372 | return ProcAppleDRIDestroySurface(client); |
| 373 | |
| 374 | case X_AppleDRICreatePixmap: |
| 375 | return ProcAppleDRICreatePixmap(client); |
| 376 | |
| 377 | case X_AppleDRIDestroyPixmap: |
| 378 | return ProcAppleDRIDestroyPixmap(client); |
| 379 | |
| 380 | default: |
| 381 | return BadRequest; |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | static void |
| 386 | SNotifyEvent(xAppleDRINotifyEvent *from, |
| 387 | xAppleDRINotifyEvent *to) |
| 388 | { |
| 389 | to->type = from->type; |
| 390 | to->kind = from->kind; |
| 391 | cpswaps(from->sequenceNumber, to->sequenceNumber); |
| 392 | cpswapl(from->time, to->time); |
| 393 | cpswapl(from->arg, to->arg); |
| 394 | } |
| 395 | |
| 396 | static int |
| 397 | SProcAppleDRIQueryVersion(register ClientPtr client) |
| 398 | { |
| 399 | REQUEST(xAppleDRIQueryVersionReq); |
| 400 | swaps(&stuff->length); |
| 401 | return ProcAppleDRIQueryVersion(client); |
| 402 | } |
| 403 | |
| 404 | static int |
| 405 | SProcAppleDRIQueryDirectRenderingCapable(register ClientPtr client) |
| 406 | { |
| 407 | REQUEST(xAppleDRIQueryDirectRenderingCapableReq); |
| 408 | swaps(&stuff->length); |
| 409 | REQUEST_SIZE_MATCH(xAppleDRIQueryDirectRenderingCapableReq); |
| 410 | swapl(&stuff->screen); |
| 411 | return ProcAppleDRIQueryDirectRenderingCapable(client); |
| 412 | } |
| 413 | |
| 414 | static int |
| 415 | SProcAppleDRIAuthConnection(register ClientPtr client) |
| 416 | { |
| 417 | REQUEST(xAppleDRIAuthConnectionReq); |
| 418 | swaps(&stuff->length); |
| 419 | REQUEST_SIZE_MATCH(xAppleDRIAuthConnectionReq); |
| 420 | swapl(&stuff->screen); |
| 421 | swapl(&stuff->magic); |
| 422 | return ProcAppleDRIAuthConnection(client); |
| 423 | } |
| 424 | |
| 425 | static int |
| 426 | SProcAppleDRICreateSurface(register ClientPtr client) |
| 427 | { |
| 428 | REQUEST(xAppleDRICreateSurfaceReq); |
| 429 | swaps(&stuff->length); |
| 430 | REQUEST_SIZE_MATCH(xAppleDRICreateSurfaceReq); |
| 431 | swapl(&stuff->screen); |
| 432 | swapl(&stuff->drawable); |
| 433 | swapl(&stuff->client_id); |
| 434 | return ProcAppleDRICreateSurface(client); |
| 435 | } |
| 436 | |
| 437 | static int |
| 438 | SProcAppleDRIDestroySurface(register ClientPtr client) |
| 439 | { |
| 440 | REQUEST(xAppleDRIDestroySurfaceReq); |
| 441 | swaps(&stuff->length); |
| 442 | REQUEST_SIZE_MATCH(xAppleDRIDestroySurfaceReq); |
| 443 | swapl(&stuff->screen); |
| 444 | swapl(&stuff->drawable); |
| 445 | return ProcAppleDRIDestroySurface(client); |
| 446 | } |
| 447 | |
| 448 | static int |
| 449 | SProcAppleDRICreatePixmap(register ClientPtr client) |
| 450 | { |
| 451 | REQUEST(xAppleDRICreatePixmapReq); |
| 452 | swaps(&stuff->length); |
| 453 | REQUEST_SIZE_MATCH(xAppleDRICreatePixmapReq); |
| 454 | swapl(&stuff->screen); |
| 455 | swapl(&stuff->drawable); |
| 456 | return ProcAppleDRICreatePixmap(client); |
| 457 | } |
| 458 | |
| 459 | static int |
| 460 | SProcAppleDRIDestroyPixmap(register ClientPtr client) |
| 461 | { |
| 462 | REQUEST(xAppleDRIDestroyPixmapReq); |
| 463 | swaps(&stuff->length); |
| 464 | REQUEST_SIZE_MATCH(xAppleDRIDestroyPixmapReq); |
| 465 | swapl(&stuff->drawable); |
| 466 | return ProcAppleDRIDestroyPixmap(client); |
| 467 | } |
| 468 | |
| 469 | static int |
| 470 | SProcAppleDRIDispatch(register ClientPtr client) |
| 471 | { |
| 472 | REQUEST(xReq); |
| 473 | |
| 474 | switch (stuff->data) { |
| 475 | case X_AppleDRIQueryVersion: |
| 476 | return SProcAppleDRIQueryVersion(client); |
| 477 | |
| 478 | case X_AppleDRIQueryDirectRenderingCapable: |
| 479 | return SProcAppleDRIQueryDirectRenderingCapable(client); |
| 480 | } |
| 481 | |
| 482 | if (!client->local) |
| 483 | return DRIErrorBase + AppleDRIClientNotLocal; |
| 484 | |
| 485 | switch (stuff->data) { |
| 486 | case X_AppleDRIAuthConnection: |
| 487 | return SProcAppleDRIAuthConnection(client); |
| 488 | |
| 489 | case X_AppleDRICreateSurface: |
| 490 | return SProcAppleDRICreateSurface(client); |
| 491 | |
| 492 | case X_AppleDRIDestroySurface: |
| 493 | return SProcAppleDRIDestroySurface(client); |
| 494 | |
| 495 | case X_AppleDRICreatePixmap: |
| 496 | return SProcAppleDRICreatePixmap(client); |
| 497 | |
| 498 | case X_AppleDRIDestroyPixmap: |
| 499 | return SProcAppleDRIDestroyPixmap(client); |
| 500 | |
| 501 | default: |
| 502 | return BadRequest; |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | void |
| 507 | AppleDRIExtensionInit(void) |
| 508 | { |
| 509 | ExtensionEntry* extEntry; |
| 510 | |
| 511 | if (DRIExtensionInit() && |
| 512 | (extEntry = AddExtension(APPLEDRINAME, |
| 513 | AppleDRINumberEvents, |
| 514 | AppleDRINumberErrors, |
| 515 | ProcAppleDRIDispatch, |
| 516 | SProcAppleDRIDispatch, |
| 517 | AppleDRIResetProc, |
| 518 | StandardMinorOpcode))) { |
| 519 | size_t i; |
| 520 | DRIReqCode = (unsigned char)extEntry->base; |
| 521 | DRIErrorBase = extEntry->errorBase; |
| 522 | DRIEventBase = extEntry->eventBase; |
| 523 | for (i = 0; i < AppleDRINumberEvents; i++) |
| 524 | EventSwapVector[DRIEventBase + i] = (EventSwapPtr)SNotifyEvent; |
| 525 | } |
| 526 | } |