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    for (i = 0; i < nevents; i++) {
 269        XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent);
 270        XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire);
 271    }
 272
 273    return True;
 274 }
 275
 276 Bool
 277 DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName)
 278 {
 279    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 280    xDRI2ConnectReply rep;
 281    xDRI2ConnectReq *req;
 282
 283    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 284
 285    LockDisplay(dpy);
 286    GetReq(DRI2Connect, req);
 287    req->reqType = info->codes->major_opcode;
 288    req->dri2ReqType = X_DRI2Connect;
 289    req->window = window;
 290    req->driverType = DRI2DriverDRI;
 291    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 292       UnlockDisplay(dpy);
 293       SyncHandle();
 294       return False;
 295    }
 296
 297    if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
 298       UnlockDisplay(dpy);
 299       SyncHandle();
 300       return False;
 301    }
 302
 303    *driverName = Xmalloc(rep.driverNameLength + 1);
 304    if (*driverName == NULL) {
 305       _XEatData(dpy,
 306                 ((rep.driverNameLength + 3) & ~3) +
 307                 ((rep.deviceNameLength + 3) & ~3));
 308       UnlockDisplay(dpy);
 309       SyncHandle();
 310       return False;
 311    }
 312    _XReadPad(dpy, *driverName, rep.driverNameLength);
 313    (*driverName)[rep.driverNameLength] = '\0';
 314
 315    *deviceName = Xmalloc(rep.deviceNameLength + 1);
 316    if (*deviceName == NULL) {
 317       Xfree(*driverName);
 318       _XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
 319       UnlockDisplay(dpy);
 320       SyncHandle();
 321       return False;
 322    }
 323    _XReadPad(dpy, *deviceName, rep.deviceNameLength);
 324    (*deviceName)[rep.deviceNameLength] = '\0';
 325
 326    UnlockDisplay(dpy);
 327    SyncHandle();
 328
 329    return True;
 330 }
 331
 332 Bool
 333 DRI2Authenticate(Display * dpy, XID window, unsigned int magic)
 334 {
 335    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 336    xDRI2AuthenticateReq *req;
 337    xDRI2AuthenticateReply rep;
 338
 339    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 340
 341    LockDisplay(dpy);
 342    GetReq(DRI2Authenticate, req);
 343    req->reqType = info->codes->major_opcode;
 344    req->dri2ReqType = X_DRI2Authenticate;
 345    req->window = window;
 346    req->magic = magic;
 347
 348    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 349       UnlockDisplay(dpy);
 350       SyncHandle();
 351       return False;
 352    }
 353
 354    UnlockDisplay(dpy);
 355    SyncHandle();
 356
 357    return rep.authenticated;
 358 }
 359
 360 void
 361 DRI2CreateDrawable(Display * dpy, XID drawable)
 362 {
 363     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 364     xDRI2CreateDrawableReq *req;
 365
 366     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 367     LockDisplay(dpy);
 368
 369     LOG("CREATE drawable:0x%x\n", (unsigned int)drawable);
 370
 371     GetReq(DRI2CreateDrawable, req);
 372     req->reqType = info->codes->major_opcode;
 373     req->dri2ReqType = X_DRI2CreateDrawable;
 374     req->drawable = drawable;
 375     UnlockDisplay(dpy);
 376     SyncHandle();
 377 }
 378
 379 void
 380 DRI2DestroyDrawable(Display * dpy, XID drawable)
 381 {
 382     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 383     xDRI2DestroyDrawableReq *req;
 384
 385     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 386     XSync(dpy, False);
 387     LockDisplay(dpy);
 388
 389     LOG("DESTROY drawable:0x%x\n", (unsigned int)drawable);
 390
 391     GetReq(DRI2DestroyDrawable, req);
 392     req->reqType = info->codes->major_opcode;
 393     req->dri2ReqType = X_DRI2DestroyDrawable;
 394     req->drawable = drawable;
 395     UnlockDisplay(dpy);
 396     SyncHandle();
 397 }
 398
 399 DRI2Buffer *
 400 DRI2GetBuffers(Display * dpy, XID drawable,
 401                int *width, int *height,
 402                unsigned int *attachments, int count, int *outCount)
 403 {
 404     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 405     xDRI2GetBuffersReply rep;
 406     xDRI2GetBuffersReq *req;
 407     DRI2Buffer *buffers;
 408     xDRI2Buffer repBuffer;
 409     CARD32 *p;
 410     int i;
 411
 412     XextCheckExtension(dpy, info, dri2ExtensionName, False);
 413     LockDisplay(dpy);
 414
 415 #if GFXLOG
 416     GFX_PERF("DRAW_S");
 417 #endif
 418
 419     LOG("GET-BUF drawable:0x%x, count:%d, attach:%d \n"
 420                 , (unsigned int)drawable, count, *attachments);
 421
 422     GetReqExtra(DRI2GetBuffers, count * 4, req);
 423     req->reqType = info->codes->major_opcode;
 424     req->dri2ReqType = X_DRI2GetBuffers;
 425     req->drawable = drawable;
 426     req->count = count;
 427     p = (CARD32 *) & req[1];
 428     for (i = 0; i < count; i++)
 429         p[i] = attachments[i];
 430
 431     if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 432         UnlockDisplay(dpy);
 433         SyncHandle();
 434         return NULL;
 435     }
 436
 437     *width = rep.width;
 438     *height = rep.height;
 439     *outCount = rep.count;
 440
 441     buffers = Xmalloc(rep.count * sizeof buffers[0]);
 442     if (buffers == NULL) {
 443         _XEatData(dpy, rep.count * sizeof repBuffer);
 444         UnlockDisplay(dpy);
 445         SyncHandle();
 446         return NULL;
 447     }
 448
 449     for (i = 0; i < rep.count; i++) {
 450         _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
 451         buffers[i].attachment = repBuffer.attachment;
 452         buffers[i].name = repBuffer.name;
 453         buffers[i].pitch = repBuffer.pitch;
 454         buffers[i].cpp = repBuffer.cpp;
 455         buffers[i].flags = repBuffer.flags;
 456
 457         LOG("\t\t New attach:%d name:%d flags:0x%x width:%d, height:%d\n"
 458                 , buffers[i].attachment, buffers[i].name, buffers[i].flags, *width, *height);
 459     }
 460
 461 #if GFXLOG
 462     if(buffers)
 463         GFX_PERF_INT("G", buffers[0].name);
 464 #endif
 465
 466     UnlockDisplay(dpy);
 467     SyncHandle();
 468
 469     return buffers;
 470 }
 471
 472
 473 DRI2Buffer *
 474 DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
 475                          int *width, int *height,
 476                          unsigned int *attachments, int count, int *outCount)
 477 {
 478     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 479     xDRI2GetBuffersReply rep;
 480     xDRI2GetBuffersReq *req;
 481     DRI2Buffer *buffers;
 482     xDRI2Buffer repBuffer;
 483     CARD32 *p;
 484     int i;
 485
 486     XextCheckExtension(dpy, info, dri2ExtensionName, False);
 487     LockDisplay(dpy);
 488
 489     GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
 490     req->reqType = info->codes->major_opcode;
 491     req->dri2ReqType = X_DRI2GetBuffersWithFormat;
 492     req->drawable = drawable;
 493     req->count = count;
 494     p = (CARD32 *) & req[1];
 495     for (i = 0; i < (count * 2); i++)
 496         p[i] = attachments[i];
 497
 498     if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 499         UnlockDisplay(dpy);
 500         SyncHandle();
 501         return NULL;
 502     }
 503
 504     *width = rep.width;
 505     *height = rep.height;
 506     *outCount = rep.count;
 507
 508     buffers = Xmalloc(rep.count * sizeof buffers[0]);
 509     if (buffers == NULL) {
 510         _XEatData(dpy, rep.count * sizeof repBuffer);
 511         UnlockDisplay(dpy);
 512         SyncHandle();
 513         return NULL;
 514     }
 515
 516     for (i = 0; i < rep.count; i++) {
 517         _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
 518         buffers[i].attachment = repBuffer.attachment;
 519         buffers[i].name = repBuffer.name;
 520         buffers[i].pitch = repBuffer.pitch;
 521         buffers[i].cpp = repBuffer.cpp;
 522         buffers[i].flags = repBuffer.flags;
 523     }
 524
 525     UnlockDisplay(dpy);
 526     SyncHandle();
 527
 528     return buffers;
 529 }
 530
 531
 532 void
 533 DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
 534                CARD32 dest, CARD32 src)
 535 {
 536     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 537     xDRI2CopyRegionReq *req;
 538     xDRI2CopyRegionReply rep;
 539
 540     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 541
 542     LOG("COPY-REGION drawable:0x%x, src:%d, dest:%d\n", (unsigned int)drawable, (int)src, (int)dest);
 543
 544     LockDisplay(dpy);
 545     GetReq(DRI2CopyRegion, req);
 546     req->reqType = info->codes->major_opcode;
 547     req->dri2ReqType = X_DRI2CopyRegion;
 548     req->drawable = drawable;
 549     req->region = region;
 550     req->dest = dest;
 551     req->src = src;
 552
 553     _XReply(dpy, (xReply *) & rep, 0, xFalse);
 554
 555     UnlockDisplay(dpy);
 556     SyncHandle();
 557 }
 558
 559 #ifdef X_DRI2SwapBuffers
 560 static void
 561 load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
 562              CARD64 remainder)
 563 {
 564     req->target_msc_hi = target >> 32;
 565     req->target_msc_lo = target & 0xffffffff;
 566     req->divisor_hi = divisor >> 32;
 567     req->divisor_lo = divisor & 0xffffffff;
 568     req->remainder_hi = remainder >> 32;
 569     req->remainder_lo = remainder & 0xffffffff;
 570 }
 571
 572 static CARD64
 573 vals_to_card64(CARD32 lo, CARD32 hi)
 574 {
 575     return (CARD64)hi << 32 | lo;
 576 }
 577
 578 void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
 579                      CARD64 divisor, CARD64 remainder, CARD64 *count)
 580 {
 581     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 582     xDRI2SwapBuffersReq *req;
 583     xDRI2SwapBuffersReply rep;
 584
 585     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 586     LockDisplay(dpy);
 587
 588     LOG("SWAP drawable:0x%x\n", (unsigned int)drawable);
 589
 590     GetReq(DRI2SwapBuffers, req);
 591     req->reqType = info->codes->major_opcode;
 592     req->dri2ReqType = X_DRI2SwapBuffers;
 593     req->drawable = drawable;
 594     load_swap_req(req, target_msc, divisor, remainder);
 595
 596     _XReply(dpy, (xReply *)&rep, 0, xFalse);
 597
 598     *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
 599
 600 #if GFXLOG
 601     GFX_PERF("DRAW_E");
 602 #endif
 603
 604     UnlockDisplay(dpy);
 605     SyncHandle();
 606 }
 607 #endif
 608
 609 #ifdef X_DRI2GetMSC
 610 Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
 611                 CARD64 *sbc)
 612 {
 613     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 614     xDRI2GetMSCReq *req;
 615     xDRI2MSCReply rep;
 616
 617     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 618
 619     LockDisplay(dpy);
 620     GetReq(DRI2GetMSC, req);
 621     req->reqType = info->codes->major_opcode;
 622     req->dri2ReqType = X_DRI2GetMSC;
 623     req->drawable = drawable;
 624
 625     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 626         UnlockDisplay(dpy);
 627         SyncHandle();
 628         return False;
 629     }
 630
 631     *ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
 632     *msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
 633     *sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
 634
 635     UnlockDisplay(dpy);
 636     SyncHandle();
 637
 638     return True;
 639 }
 640 #endif
 641
 642 #ifdef X_DRI2WaitMSC
 643 static void
 644 load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
 645              CARD64 remainder)
 646 {
 647     req->target_msc_hi = target >> 32;
 648     req->target_msc_lo = target & 0xffffffff;
 649     req->divisor_hi = divisor >> 32;
 650     req->divisor_lo = divisor & 0xffffffff;
 651     req->remainder_hi = remainder >> 32;
 652     req->remainder_lo = remainder & 0xffffffff;
 653 }
 654
 655 Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
 656                  CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
 657 {
 658     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 659     xDRI2WaitMSCReq *req;
 660     xDRI2MSCReply rep;
 661
 662     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 663
 664     LockDisplay(dpy);
 665     GetReq(DRI2WaitMSC, req);
 666     req->reqType = info->codes->major_opcode;
 667     req->dri2ReqType = X_DRI2WaitMSC;
 668     req->drawable = drawable;
 669     load_msc_req(req, target_msc, divisor, remainder);
 670
 671     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 672         UnlockDisplay(dpy);
 673         SyncHandle();
 674         return False;
 675     }
 676
 677     *ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo;
 678     *msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo;
 679     *sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo;
 680
 681     UnlockDisplay(dpy);
 682     SyncHandle();
 683
 684     return True;
 685 }
 686 #endif
 687
 688 #ifdef X_DRI2WaitSBC
 689 static void
 690 load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
 691 {
 692     req->target_sbc_hi = target >> 32;
 693     req->target_sbc_lo = target & 0xffffffff;
 694 }
 695
 696 Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
 697                  CARD64 *msc, CARD64 *sbc)
 698 {
 699     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 700     xDRI2WaitSBCReq *req;
 701     xDRI2MSCReply rep;
 702
 703     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 704
 705     LockDisplay(dpy);
 706     GetReq(DRI2WaitSBC, req);
 707     req->reqType = info->codes->major_opcode;
 708     req->dri2ReqType = X_DRI2WaitSBC;
 709     req->drawable = drawable;
 710     load_sbc_req(req, target_sbc);
 711
 712     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 713         UnlockDisplay(dpy);
 714         SyncHandle();
 715         return False;
 716     }
 717
 718     *ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo;
 719     *msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo;
 720     *sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo;
 721
 722     UnlockDisplay(dpy);
 723     SyncHandle();
 724
 725     return True;
 726 }
 727 #endif
 728
 729 #ifdef X_DRI2SwapInterval
 730 void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
 731 {
 732     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 733     xDRI2SwapIntervalReq *req;
 734
 735     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 736
 737     LockDisplay(dpy);
 738     GetReq(DRI2SwapInterval, req);
 739     req->reqType = info->codes->major_opcode;
 740     req->dri2ReqType = X_DRI2SwapInterval;
 741     req->drawable = drawable;
 742     req->interval = interval;
 743     UnlockDisplay(dpy);
 744     SyncHandle();
 745 }
 746 #endif
 747