src/dri2.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  * Copyright © 2008 Red Hat, Inc.
   4  *
   5  * Contact: Sangjin Lee <lsj119@samsung.com>, SooChan Lim <sc1.lim@samsung.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Soft-
   9  * ware"), to deal in the Software without restriction, including without
  10  * limitation the rights to use, copy, modify, merge, publish, distribute,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, provided that the above copyright
  13  * notice(s) and this permission notice appear in all copies of the Soft-
  14  * ware and that both the above copyright notice(s) and this permission
  15  * notice appear in supporting documentation.
  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 MERCHANTABIL-
  19  * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
  20  * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
  21  * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
  22  * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  23  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  24  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
  25  * MANCE OF THIS SOFTWARE.
  26  *
  27  * Except as contained in this notice, the name of a copyright holder shall
  28  * not be used in advertising or otherwise to promote the sale, use or
  29  * other dealings in this Software without prior written authorization of
  30  * the copyright holder.
  31  *
  32  * Origin Authors:
  33  *   Kristian Høgsberg (krh@redhat.com)
  34  */
  35
  36 #include <stdio.h>
  37 #include <sys/types.h>
  38 #include <unistd.h>
  39 #include <X11/Xlibint.h>
  40 #include <X11/extensions/Xext.h>
  41 #include <X11/extensions/extutil.h>
  42 #include <X11/extensions/dri2proto.h>
  43 #include "dri2.h"
  44
  45 #define GFXLOG 0
  46 #if GFXLOG
  47 #include "gfxperf.h"
  48 #else
  49 #define GFX_PERF(...)
  50 #define GFX_PERF_INT(...)
  51 #endif
  52
  53 /* Allow the build to work with an older versions of dri2proto.h and
  54  * dri2tokens.h.
  55  */
  56 #if DRI2_MINOR < 1
  57 #undef DRI2_MINOR
  58 #define DRI2_MINOR 1
  59 #define X_DRI2GetBuffersWithFormat 7
  60 #endif
  61
  62 static Bool bEnableLog=False;
  63 # define LOG( fmt, args... ) if( bEnableLog ) printf( " [libdri2|%d]"fmt, getpid(), ##args )
  64
  65 static char dri2ExtensionName[] = DRI2_NAME;
  66 static XExtensionInfo *dri2Info;
  67
  68 static int
  69 DRI2CloseDisplay(Display *dpy, XExtCodes *codes);
  70 static Bool
  71 DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire);
  72 static Status
  73 DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire);
  74 static int
  75 DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code);
  76
  77 static /* const */ XExtensionHooks dri2ExtensionHooks = {
  78   NULL,                   /* create_gc */
  79   NULL,                   /* copy_gc */
  80   NULL,                   /* flush_gc */
  81   NULL,                   /* free_gc */
  82   NULL,                   /* create_font */
  83   NULL,                   /* free_font */
  84   DRI2CloseDisplay,       /* close_display */
  85   DRI2WireToEvent,        /* wire_to_event */
  86   DRI2EventToWire,        /* event_to_wire */
  87   DRI2Error,              /* error */
  88   NULL,                   /* error_string */
  89 };
  90
  91 static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay,
  92                                    dri2Info,
  93                                    dri2ExtensionName,
  94                                    &dri2ExtensionHooks,
  95                                    0, NULL)
  96
  97 static int
  98 DRI2CloseDisplay(Display *dpy, XExtCodes *codes)
  99 {
 100    return XextRemoveDisplay (dri2Info, dpy);
 101 }
 102
 103 static Bool
 104 DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
 105 {
 106     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 107     Bool ret = True;
 108     XID drawable;
 109
 110     XextCheckExtension(dpy, info, dri2ExtensionName, False);
 111
 112     switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
 113
 114 #ifdef X_DRI2SwapBuffers
 115     case DRI2_BufferSwapComplete:
 116     {
 117         DRI2BufferSwapComplete *aevent = (DRI2BufferSwapComplete *)event;
 118         xDRI2BufferSwapComplete *awire = (xDRI2BufferSwapComplete *)wire;
 119
 120         /* Ignore swap events if we're not looking for them */
 121         aevent->type = awire->type;
 122         aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire);
 123         aevent->send_event = (awire->type & 0x80) != 0;
 124         aevent->display = dpy;
 125         aevent->drawable = awire->drawable;
 126         aevent->event_type = awire->event_type;
 127         aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo;
 128         aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo;
 129         aevent->sbc = ((CARD64)awire->sbc_hi << 32) | awire->sbc_lo;
 130
 131         drawable = awire->drawable;
 132
 133 #if GFXLOG
 134         GFX_PERF("S");
 135 #endif
 136         break;
 137     }
 138 #endif
 139 #ifdef DRI2_InvalidateBuffers
 140     case DRI2_InvalidateBuffers:
 141     {
 142         DRI2BufferInvalidate *aevent = (DRI2BufferInvalidate *)event;
 143         xDRI2InvalidateBuffers *awire = (xDRI2InvalidateBuffers *)wire;
 144
 145         aevent->type = awire->type;
 146         aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire);
 147         aevent->send_event = (awire->type & 0x80) != 0;
 148         aevent->display = dpy;
 149         aevent->drawable = awire->drawable;
 150         aevent->event_type = 0; /* REMOVE */
 151
 152         drawable = awire->drawable;
 153
 154 #if GFXLOG
 155         GFX_PERF("I");
 156 #endif
 157         break;
 158     }
 159 #endif
 160     default:
 161         /* client doesn't support server event */
 162         LOG("EV_UNKNOWN type:%d, dri2type:%d\n"
 163                 , wire->u.u.type
 164                 , (wire->u.u.type & 0x7f) - info->codes->first_event);
 165         return False;
 166     }
 167
 168     return ret;
 169 }
 170
 171 /* We don't actually support this.  It doesn't make sense for clients to
 172  * send each other DRI2 events.
 173  */
 174 static Status
 175 DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire)
 176 {
 177    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 178
 179    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 180
 181    switch (event->type) {
 182    default:
 183       /* client doesn't support server event */
 184       break;
 185    }
 186
 187    return Success;
 188 }
 189
 190 static int
 191 DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code)
 192 {
 193     if (err->majorCode == codes->major_opcode &&
 194         err->errorCode == BadDrawable &&
 195         err->minorCode == X_DRI2CopyRegion)
 196         return True;
 197
 198     /* If the X drawable was destroyed before the GLX drawable, the
 199      * DRI2 drawble will be gone by the time we call
 200      * DRI2DestroyDrawable.  So just ignore BadDrawable here. */
 201     if (err->majorCode == codes->major_opcode &&
 202         err->errorCode == BadDrawable &&
 203         err->minorCode == X_DRI2DestroyDrawable)
 204         return True;
 205
 206     return False;
 207 }
 208
 209 Bool
 210 DRI2QueryExtension(Display * dpy, int *eventBase, int *errorBase)
 211 {
 212     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 213     char* ptr;
 214
 215     if((ptr=getenv("DRI2LOG")))
 216     {
 217         bEnableLog = atoi(ptr);
 218     }
 219
 220     if (XextHasExtension(info)) {
 221         *eventBase = info->codes->first_event;
 222         *errorBase = info->codes->first_error;
 223         return True;
 224     }
 225
 226     return False;
 227 }
 228
 229 Bool
 230 DRI2QueryVersion(Display * dpy, int *major, int *minor)
 231 {
 232    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 233    xDRI2QueryVersionReply rep;
 234    xDRI2QueryVersionReq *req;
 235    int i, nevents;
 236
 237    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 238
 239    LockDisplay(dpy);
 240    GetReq(DRI2QueryVersion, req);
 241    req->reqType = info->codes->major_opcode;
 242    req->dri2ReqType = X_DRI2QueryVersion;
 243    req->majorVersion = DRI2_MAJOR;
 244    req->minorVersion = DRI2_MINOR;
 245    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 246       UnlockDisplay(dpy);
 247       SyncHandle();
 248       return False;
 249    }
 250    *major = rep.majorVersion;
 251    *minor = rep.minorVersion;
 252    UnlockDisplay(dpy);
 253    SyncHandle();
 254
 255    switch (rep.minorVersion) {
 256    case 1:
 257            nevents = 0;
 258            break;
 259    case 2:
 260            nevents = 1;
 261            break;
 262    case 3:
 263    default:
 264            nevents = 2;
 265            break;
 266    }
 267
 268 #ifndef _EMUL_
 269    for (i = 0; i < nevents; i++) {
 270        XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent);
 271        XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire);
 272    }
 273 #endif
 274
 275    return True;
 276 }
 277
 278 Bool
 279 DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName)
 280 {
 281    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 282    xDRI2ConnectReply rep;
 283    xDRI2ConnectReq *req;
 284
 285    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 286
 287    LockDisplay(dpy);
 288    GetReq(DRI2Connect, req);
 289    req->reqType = info->codes->major_opcode;
 290    req->dri2ReqType = X_DRI2Connect;
 291    req->window = window;
 292    req->driverType = DRI2DriverDRI;
 293    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 294       UnlockDisplay(dpy);
 295       SyncHandle();
 296       return False;
 297    }
 298
 299    if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
 300       UnlockDisplay(dpy);
 301       SyncHandle();
 302       return False;
 303    }
 304
 305    *driverName = Xmalloc(rep.driverNameLength + 1);
 306    if (*driverName == NULL) {
 307       _XEatData(dpy,
 308                 ((rep.driverNameLength + 3) & ~3) +
 309                 ((rep.deviceNameLength + 3) & ~3));
 310       UnlockDisplay(dpy);
 311       SyncHandle();
 312       return False;
 313    }
 314    _XReadPad(dpy, *driverName, rep.driverNameLength);
 315    (*driverName)[rep.driverNameLength] = '\0';
 316
 317    *deviceName = Xmalloc(rep.deviceNameLength + 1);
 318    if (*deviceName == NULL) {
 319       Xfree(*driverName);
 320       _XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
 321       UnlockDisplay(dpy);
 322       SyncHandle();
 323       return False;
 324    }
 325    _XReadPad(dpy, *deviceName, rep.deviceNameLength);
 326    (*deviceName)[rep.deviceNameLength] = '\0';
 327
 328    UnlockDisplay(dpy);
 329    SyncHandle();
 330
 331    return True;
 332 }
 333
 334 Bool
 335 DRI2Authenticate(Display * dpy, XID window, unsigned int magic)
 336 {
 337    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 338    xDRI2AuthenticateReq *req;
 339    xDRI2AuthenticateReply rep;
 340
 341    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 342
 343    LockDisplay(dpy);
 344    GetReq(DRI2Authenticate, req);
 345    req->reqType = info->codes->major_opcode;
 346    req->dri2ReqType = X_DRI2Authenticate;
 347    req->window = window;
 348    req->magic = magic;
 349
 350    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 351       UnlockDisplay(dpy);
 352       SyncHandle();
 353       return False;
 354    }
 355
 356    UnlockDisplay(dpy);
 357    SyncHandle();
 358
 359    return rep.authenticated;
 360 }
 361
 362 void
 363 DRI2CreateDrawable(Display * dpy, XID drawable)
 364 {
 365     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 366     xDRI2CreateDrawableReq *req;
 367
 368     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 369     LockDisplay(dpy);
 370
 371     LOG("CREATE drawable:0x%x\n", (unsigned int)drawable);
 372
 373     GetReq(DRI2CreateDrawable, req);
 374     req->reqType = info->codes->major_opcode;
 375     req->dri2ReqType = X_DRI2CreateDrawable;
 376     req->drawable = drawable;
 377     UnlockDisplay(dpy);
 378     SyncHandle();
 379 }
 380
 381 void
 382 DRI2DestroyDrawable(Display * dpy, XID drawable)
 383 {
 384     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 385     xDRI2DestroyDrawableReq *req;
 386
 387     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 388     XSync(dpy, False);
 389     LockDisplay(dpy);
 390
 391     LOG("DESTROY drawable:0x%x\n", (unsigned int)drawable);
 392
 393     GetReq(DRI2DestroyDrawable, req);
 394     req->reqType = info->codes->major_opcode;
 395     req->dri2ReqType = X_DRI2DestroyDrawable;
 396     req->drawable = drawable;
 397     UnlockDisplay(dpy);
 398     SyncHandle();
 399 }
 400
 401 DRI2Buffer *
 402 DRI2GetBuffers(Display * dpy, XID drawable,
 403                int *width, int *height,
 404                unsigned int *attachments, int count, int *outCount)
 405 {
 406     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 407     xDRI2GetBuffersReply rep;
 408     xDRI2GetBuffersReq *req;
 409     DRI2Buffer *buffers;
 410     xDRI2Buffer repBuffer;
 411     CARD32 *p;
 412     int i;
 413
 414     XextCheckExtension(dpy, info, dri2ExtensionName, False);
 415     LockDisplay(dpy);
 416
 417 #if GFXLOG
 418     GFX_PERF("DRAW_S");
 419 #endif
 420
 421     LOG("GET-BUF drawable:0x%x, count:%d, attach:%d \n"
 422                 , (unsigned int)drawable, count, *attachments);
 423
 424     GetReqExtra(DRI2GetBuffers, count * 4, req);
 425     req->reqType = info->codes->major_opcode;
 426     req->dri2ReqType = X_DRI2GetBuffers;
 427     req->drawable = drawable;
 428     req->count = count;
 429     p = (CARD32 *) & req[1];
 430     for (i = 0; i < count; i++)
 431         p[i] = attachments[i];
 432
 433     if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 434         UnlockDisplay(dpy);
 435         SyncHandle();
 436         return NULL;
 437     }
 438
 439     *width = rep.width;
 440     *height = rep.height;
 441     *outCount = rep.count;
 442
 443     buffers = Xmalloc(rep.count * sizeof buffers[0]);
 444     if (buffers == NULL) {
 445         _XEatData(dpy, rep.count * sizeof repBuffer);
 446         UnlockDisplay(dpy);
 447         SyncHandle();
 448         return NULL;
 449     }
 450
 451     for (i = 0; i < rep.count; i++) {
 452         _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
 453         buffers[i].attachment = repBuffer.attachment;
 454         buffers[i].name = repBuffer.name;
 455         buffers[i].pitch = repBuffer.pitch;
 456         buffers[i].cpp = repBuffer.cpp;
 457         buffers[i].flags = repBuffer.flags;
 458
 459         LOG("\t\t New attach:%d name:%d flags:0x%x width:%d, height:%d\n"
 460                 , buffers[i].attachment, buffers[i].name, buffers[i].flags, *width, *height);
 461     }
 462
 463 #if GFXLOG
 464     if(buffers)
 465         GFX_PERF_INT("G", buffers[0].name);
 466 #endif
 467
 468     UnlockDisplay(dpy);
 469     SyncHandle();
 470
 471     return buffers;
 472 }
 473
 474
 475 DRI2Buffer *
 476 DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
 477                          int *width, int *height,
 478                          unsigned int *attachments, int count, int *outCount)
 479 {
 480     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 481     xDRI2GetBuffersReply rep;
 482     xDRI2GetBuffersReq *req;
 483     DRI2Buffer *buffers;
 484     xDRI2Buffer repBuffer;
 485     CARD32 *p;
 486     int i;
 487
 488     XextCheckExtension(dpy, info, dri2ExtensionName, False);
 489     LockDisplay(dpy);
 490
 491     GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
 492     req->reqType = info->codes->major_opcode;
 493     req->dri2ReqType = X_DRI2GetBuffersWithFormat;
 494     req->drawable = drawable;
 495     req->count = count;
 496     p = (CARD32 *) & req[1];
 497     for (i = 0; i < (count * 2); i++)
 498         p[i] = attachments[i];
 499
 500     if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 501         UnlockDisplay(dpy);
 502         SyncHandle();
 503         return NULL;
 504     }
 505
 506     *width = rep.width;
 507     *height = rep.height;
 508     *outCount = rep.count;
 509
 510     buffers = Xmalloc(rep.count * sizeof buffers[0]);
 511     if (buffers == NULL) {
 512         _XEatData(dpy, rep.count * sizeof repBuffer);
 513         UnlockDisplay(dpy);
 514         SyncHandle();
 515         return NULL;
 516     }
 517
 518     for (i = 0; i < rep.count; i++) {
 519         _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
 520         buffers[i].attachment = repBuffer.attachment;
 521         buffers[i].name = repBuffer.name;
 522         buffers[i].pitch = repBuffer.pitch;
 523         buffers[i].cpp = repBuffer.cpp;
 524         buffers[i].flags = repBuffer.flags;
 525     }
 526
 527     UnlockDisplay(dpy);
 528     SyncHandle();
 529
 530     return buffers;
 531 }
 532
 533
 534 void
 535 DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
 536                CARD32 dest, CARD32 src)
 537 {
 538     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 539     xDRI2CopyRegionReq *req;
 540     xDRI2CopyRegionReply rep;
 541
 542     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 543
 544     LOG("COPY-REGION drawable:0x%x, src:%d, dest:%d\n", (unsigned int)drawable, (int)src, (int)dest);
 545
 546     LockDisplay(dpy);
 547     GetReq(DRI2CopyRegion, req);
 548     req->reqType = info->codes->major_opcode;
 549     req->dri2ReqType = X_DRI2CopyRegion;
 550     req->drawable = drawable;
 551     req->region = region;
 552     req->dest = dest;
 553     req->src = src;
 554
 555     _XReply(dpy, (xReply *) & rep, 0, xFalse);
 556
 557     UnlockDisplay(dpy);
 558     SyncHandle();
 559 }
 560
 561 #ifdef X_DRI2SwapBuffers
 562 static void
 563 load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
 564              CARD64 remainder)
 565 {
 566     req->target_msc_hi = target >> 32;
 567     req->target_msc_lo = target & 0xffffffff;
 568     req->divisor_hi = divisor >> 32;
 569     req->divisor_lo = divisor & 0xffffffff;
 570     req->remainder_hi = remainder >> 32;
 571     req->remainder_lo = remainder & 0xffffffff;
 572 }
 573
 574 static CARD64
 575 vals_to_card64(CARD32 lo, CARD32 hi)
 576 {
 577     return (CARD64)hi << 32 | lo;
 578 }
 579
 580 void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
 581                      CARD64 divisor, CARD64 remainder, CARD64 *count)
 582 {
 583     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 584     xDRI2SwapBuffersReq *req;
 585     xDRI2SwapBuffersReply rep;
 586
 587     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 588     LockDisplay(dpy);
 589
 590     LOG("SWAP drawable:0x%x\n", (unsigned int)drawable);
 591
 592     GetReq(DRI2SwapBuffers, req);
 593     req->reqType = info->codes->major_opcode;
 594     req->dri2ReqType = X_DRI2SwapBuffers;
 595     req->drawable = drawable;
 596     load_swap_req(req, target_msc, divisor, remainder);
 597
 598     _XReply(dpy, (xReply *)&rep, 0, xFalse);
 599
 600     *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
 601
 602 #if GFXLOG
 603     GFX_PERF("DRAW_E");
 604 #endif
 605
 606     UnlockDisplay(dpy);
 607     SyncHandle();
 608 }
 609 #endif
 610
 611 #ifdef X_DRI2GetMSC
 612 Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
 613                 CARD64 *sbc)
 614 {
 615     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 616     xDRI2GetMSCReq *req;
 617     xDRI2MSCReply rep;
 618
 619     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 620
 621     LockDisplay(dpy);
 622     GetReq(DRI2GetMSC, req);
 623     req->reqType = info->codes->major_opcode;
 624     req->dri2ReqType = X_DRI2GetMSC;
 625     req->drawable = drawable;
 626
 627     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 628         UnlockDisplay(dpy);
 629         SyncHandle();
 630         return False;
 631     }
 632
 633     *ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
 634     *msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
 635     *sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
 636
 637     UnlockDisplay(dpy);
 638     SyncHandle();
 639
 640     return True;
 641 }
 642 #endif
 643
 644 #ifdef X_DRI2WaitMSC
 645 static void
 646 load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
 647              CARD64 remainder)
 648 {
 649     req->target_msc_hi = target >> 32;
 650     req->target_msc_lo = target & 0xffffffff;
 651     req->divisor_hi = divisor >> 32;
 652     req->divisor_lo = divisor & 0xffffffff;
 653     req->remainder_hi = remainder >> 32;
 654     req->remainder_lo = remainder & 0xffffffff;
 655 }
 656
 657 Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
 658                  CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
 659 {
 660     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 661     xDRI2WaitMSCReq *req;
 662     xDRI2MSCReply rep;
 663
 664     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 665
 666     LockDisplay(dpy);
 667     GetReq(DRI2WaitMSC, req);
 668     req->reqType = info->codes->major_opcode;
 669     req->dri2ReqType = X_DRI2WaitMSC;
 670     req->drawable = drawable;
 671     load_msc_req(req, target_msc, divisor, remainder);
 672
 673     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 674         UnlockDisplay(dpy);
 675         SyncHandle();
 676         return False;
 677     }
 678
 679     *ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo;
 680     *msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo;
 681     *sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo;
 682
 683     UnlockDisplay(dpy);
 684     SyncHandle();
 685
 686     return True;
 687 }
 688 #endif
 689
 690 #ifdef X_DRI2WaitSBC
 691 static void
 692 load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
 693 {
 694     req->target_sbc_hi = target >> 32;
 695     req->target_sbc_lo = target & 0xffffffff;
 696 }
 697
 698 Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
 699                  CARD64 *msc, CARD64 *sbc)
 700 {
 701     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 702     xDRI2WaitSBCReq *req;
 703     xDRI2MSCReply rep;
 704
 705     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 706
 707     LockDisplay(dpy);
 708     GetReq(DRI2WaitSBC, req);
 709     req->reqType = info->codes->major_opcode;
 710     req->dri2ReqType = X_DRI2WaitSBC;
 711     req->drawable = drawable;
 712     load_sbc_req(req, target_sbc);
 713
 714     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 715         UnlockDisplay(dpy);
 716         SyncHandle();
 717         return False;
 718     }
 719
 720     *ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo;
 721     *msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo;
 722     *sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo;
 723
 724     UnlockDisplay(dpy);
 725     SyncHandle();
 726
 727     return True;
 728 }
 729 #endif
 730
 731 #ifdef X_DRI2SwapInterval
 732 void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
 733 {
 734     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 735     xDRI2SwapIntervalReq *req;
 736
 737     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 738
 739     LockDisplay(dpy);
 740     GetReq(DRI2SwapInterval, req);
 741     req->reqType = info->codes->major_opcode;
 742     req->dri2ReqType = X_DRI2SwapInterval;
 743     req->drawable = drawable;
 744     req->interval = interval;
 745     UnlockDisplay(dpy);
 746     SyncHandle();
 747 }
 748 #endif
 749
 750 #ifdef X_DRI2SwapBuffersWithRegion
 751 void DRI2SwapBuffersWithRegion(Display *dpy, XID drawable, XserverRegion region,
 752                 CARD64 *count)
 753 {
 754     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 755     xDRI2SwapBuffersWithRegionReq *req;
 756     xDRI2SwapBuffersReply rep;
 757
 758     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 759     LockDisplay(dpy);
 760
 761     LOG("SWAP drawable:0x%x\n", (unsigned int)drawable);
 762
 763     GetReq(DRI2SwapBuffersWithRegion, req);
 764     req->reqType = info->codes->major_opcode;
 765     req->dri2ReqType = X_DRI2SwapBuffersWithRegion;
 766     req->drawable = drawable;
 767     req->region = region;
 768
 769     _XReply(dpy, (xReply *)&rep, 0, xFalse);
 770
 771     *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
 772
 773 #if GFXLOG
 774     GFX_PERF("DRAW_E");
 775 #endif
 776
 777     UnlockDisplay(dpy);
 778     SyncHandle();
 779 }
 780 #endif