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 DRI2QeuryExtensionAndCheckVersion(Display * dpy, int *eventBase, int *errorBase, int *major, int *minor, int check_major, int check_minor)
 280 {
 281    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 282    xDRI2QueryVersionReply rep;
 283    xDRI2QueryVersionReq *req;
 284    int i, nevents;
 285    char* ptr;
 286
 287    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 288
 289    LockDisplay(dpy);
 290    GetReq(DRI2QueryVersion, req);
 291    req->reqType = info->codes->major_opcode;
 292    req->dri2ReqType = X_DRI2QueryVersion;
 293    req->majorVersion = DRI2_MAJOR;
 294    req->minorVersion = DRI2_MINOR;
 295    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 296       UnlockDisplay(dpy);
 297       SyncHandle();
 298       return False;
 299    }
 300    *major = rep.majorVersion;
 301    *minor = rep.minorVersion;
 302    UnlockDisplay(dpy);
 303    SyncHandle();
 304
 305    if (rep.majorVersion < check_major)
 306        goto version_err;
 307
 308    if (rep.minorVersion < check_major)
 309        goto version_err;
 310
 311    if((ptr=getenv("DRI2LOG")))
 312    {
 313        bEnableLog = atoi(ptr);
 314    }
 315
 316    if (XextHasExtension(info)) {
 317        *eventBase = info->codes->first_event;
 318        *errorBase = info->codes->first_error;
 319        return True;
 320    }
 321
 322    switch (rep.minorVersion) {
 323    case 1:
 324        nevents = 0;
 325        break;
 326    case 2:
 327        nevents = 1;
 328        break;
 329    case 3:
 330    default:
 331        nevents = 2;
 332        break;
 333    }
 334
 335 #ifndef _EMUL_
 336    for (i = 0; i < nevents; i++) {
 337        XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent);
 338        XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire);
 339    }
 340 #endif
 341
 342    return True;
 343
 344 version_err:
 345
 346    XextRemoveDisplay (dri2Info, dpy);
 347
 348    return False;
 349 }
 350
 351
 352 Bool
 353 DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName)
 354 {
 355    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 356    xDRI2ConnectReply rep;
 357    xDRI2ConnectReq *req;
 358
 359    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 360
 361    LockDisplay(dpy);
 362    GetReq(DRI2Connect, req);
 363    req->reqType = info->codes->major_opcode;
 364    req->dri2ReqType = X_DRI2Connect;
 365    req->window = window;
 366    req->driverType = DRI2DriverDRI;
 367    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 368       UnlockDisplay(dpy);
 369       SyncHandle();
 370       return False;
 371    }
 372
 373    if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
 374       UnlockDisplay(dpy);
 375       SyncHandle();
 376       return False;
 377    }
 378
 379    *driverName = Xmalloc(rep.driverNameLength + 1);
 380    if (*driverName == NULL) {
 381       _XEatData(dpy,
 382                 ((rep.driverNameLength + 3) & ~3) +
 383                 ((rep.deviceNameLength + 3) & ~3));
 384       UnlockDisplay(dpy);
 385       SyncHandle();
 386       return False;
 387    }
 388    _XReadPad(dpy, *driverName, rep.driverNameLength);
 389    (*driverName)[rep.driverNameLength] = '\0';
 390
 391    *deviceName = Xmalloc(rep.deviceNameLength + 1);
 392    if (*deviceName == NULL) {
 393       Xfree(*driverName);
 394       _XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
 395       UnlockDisplay(dpy);
 396       SyncHandle();
 397       return False;
 398    }
 399    _XReadPad(dpy, *deviceName, rep.deviceNameLength);
 400    (*deviceName)[rep.deviceNameLength] = '\0';
 401
 402    UnlockDisplay(dpy);
 403    SyncHandle();
 404
 405    return True;
 406 }
 407
 408 Bool
 409 DRI2Authenticate(Display * dpy, XID window, unsigned int magic)
 410 {
 411    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 412    xDRI2AuthenticateReq *req;
 413    xDRI2AuthenticateReply rep;
 414
 415    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 416
 417    LockDisplay(dpy);
 418    GetReq(DRI2Authenticate, req);
 419    req->reqType = info->codes->major_opcode;
 420    req->dri2ReqType = X_DRI2Authenticate;
 421    req->window = window;
 422    req->magic = magic;
 423
 424    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 425       UnlockDisplay(dpy);
 426       SyncHandle();
 427       return False;
 428    }
 429
 430    UnlockDisplay(dpy);
 431    SyncHandle();
 432
 433    return rep.authenticated;
 434 }
 435
 436 void
 437 DRI2CreateDrawable(Display * dpy, XID drawable)
 438 {
 439     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 440     xDRI2CreateDrawableReq *req;
 441
 442     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 443     LockDisplay(dpy);
 444
 445     LOG("CREATE drawable:0x%x\n", (unsigned int)drawable);
 446
 447     GetReq(DRI2CreateDrawable, req);
 448     req->reqType = info->codes->major_opcode;
 449     req->dri2ReqType = X_DRI2CreateDrawable;
 450     req->drawable = drawable;
 451     UnlockDisplay(dpy);
 452     SyncHandle();
 453 }
 454
 455 void
 456 DRI2DestroyDrawable(Display * dpy, XID drawable)
 457 {
 458     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 459     xDRI2DestroyDrawableReq *req;
 460
 461     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 462     XSync(dpy, False);
 463     LockDisplay(dpy);
 464
 465     LOG("DESTROY drawable:0x%x\n", (unsigned int)drawable);
 466
 467     GetReq(DRI2DestroyDrawable, req);
 468     req->reqType = info->codes->major_opcode;
 469     req->dri2ReqType = X_DRI2DestroyDrawable;
 470     req->drawable = drawable;
 471     UnlockDisplay(dpy);
 472     SyncHandle();
 473 }
 474
 475 DRI2Buffer *
 476 DRI2GetBuffers(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 #if GFXLOG
 492     GFX_PERF("DRAW_S");
 493 #endif
 494
 495     LOG("GET-BUF drawable:0x%x, count:%d, attach:%d \n"
 496                 , (unsigned int)drawable, count, *attachments);
 497
 498     GetReqExtra(DRI2GetBuffers, count * 4, req);
 499     req->reqType = info->codes->major_opcode;
 500     req->dri2ReqType = X_DRI2GetBuffers;
 501     req->drawable = drawable;
 502     req->count = count;
 503     p = (CARD32 *) & req[1];
 504     for (i = 0; i < count; i++)
 505         p[i] = attachments[i];
 506
 507     if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 508         UnlockDisplay(dpy);
 509         SyncHandle();
 510         return NULL;
 511     }
 512
 513     *width = rep.width;
 514     *height = rep.height;
 515     *outCount = rep.count;
 516
 517     buffers = Xmalloc(rep.count * sizeof buffers[0]);
 518     if (buffers == NULL) {
 519         _XEatData(dpy, rep.count * sizeof repBuffer);
 520         UnlockDisplay(dpy);
 521         SyncHandle();
 522         return NULL;
 523     }
 524
 525     for (i = 0; i < rep.count; i++) {
 526         _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
 527         buffers[i].attachment = repBuffer.attachment;
 528         buffers[i].name = repBuffer.name;
 529         buffers[i].pitch = repBuffer.pitch;
 530         buffers[i].cpp = repBuffer.cpp;
 531         buffers[i].flags = repBuffer.flags;
 532
 533         LOG("\t\t New attach:%d name:%d flags:0x%x width:%d, height:%d\n"
 534                 , buffers[i].attachment, buffers[i].name, buffers[i].flags, *width, *height);
 535     }
 536
 537 #if GFXLOG
 538     if(buffers)
 539         GFX_PERF_INT("G", buffers[0].name);
 540 #endif
 541
 542     UnlockDisplay(dpy);
 543     SyncHandle();
 544
 545     return buffers;
 546 }
 547
 548
 549 DRI2Buffer *
 550 DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
 551                          int *width, int *height,
 552                          unsigned int *attachments, int count, int *outCount)
 553 {
 554     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 555     xDRI2GetBuffersReply rep;
 556     xDRI2GetBuffersReq *req;
 557     DRI2Buffer *buffers;
 558     xDRI2Buffer repBuffer;
 559     CARD32 *p;
 560     int i;
 561
 562     XextCheckExtension(dpy, info, dri2ExtensionName, False);
 563     LockDisplay(dpy);
 564
 565     GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
 566     req->reqType = info->codes->major_opcode;
 567     req->dri2ReqType = X_DRI2GetBuffersWithFormat;
 568     req->drawable = drawable;
 569     req->count = count;
 570     p = (CARD32 *) & req[1];
 571     for (i = 0; i < (count * 2); i++)
 572         p[i] = attachments[i];
 573
 574     if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
 575         UnlockDisplay(dpy);
 576         SyncHandle();
 577         return NULL;
 578     }
 579
 580     *width = rep.width;
 581     *height = rep.height;
 582     *outCount = rep.count;
 583
 584     buffers = Xmalloc(rep.count * sizeof buffers[0]);
 585     if (buffers == NULL) {
 586         _XEatData(dpy, rep.count * sizeof repBuffer);
 587         UnlockDisplay(dpy);
 588         SyncHandle();
 589         return NULL;
 590     }
 591
 592     for (i = 0; i < rep.count; i++) {
 593         _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
 594         buffers[i].attachment = repBuffer.attachment;
 595         buffers[i].name = repBuffer.name;
 596         buffers[i].pitch = repBuffer.pitch;
 597         buffers[i].cpp = repBuffer.cpp;
 598         buffers[i].flags = repBuffer.flags;
 599     }
 600
 601     UnlockDisplay(dpy);
 602     SyncHandle();
 603
 604     return buffers;
 605 }
 606
 607
 608 void
 609 DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
 610                CARD32 dest, CARD32 src)
 611 {
 612     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 613     xDRI2CopyRegionReq *req;
 614     xDRI2CopyRegionReply rep;
 615
 616     XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
 617
 618     LOG("COPY-REGION drawable:0x%x, src:%d, dest:%d\n", (unsigned int)drawable, (int)src, (int)dest);
 619
 620     LockDisplay(dpy);
 621     GetReq(DRI2CopyRegion, req);
 622     req->reqType = info->codes->major_opcode;
 623     req->dri2ReqType = X_DRI2CopyRegion;
 624     req->drawable = drawable;
 625     req->region = region;
 626     req->dest = dest;
 627     req->src = src;
 628
 629     _XReply(dpy, (xReply *) & rep, 0, xFalse);
 630
 631     UnlockDisplay(dpy);
 632     SyncHandle();
 633 }
 634
 635 #ifdef X_DRI2SwapBuffers
 636 static void
 637 load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
 638              CARD64 remainder)
 639 {
 640     req->target_msc_hi = target >> 32;
 641     req->target_msc_lo = target & 0xffffffff;
 642     req->divisor_hi = divisor >> 32;
 643     req->divisor_lo = divisor & 0xffffffff;
 644     req->remainder_hi = remainder >> 32;
 645     req->remainder_lo = remainder & 0xffffffff;
 646 }
 647
 648 static CARD64
 649 vals_to_card64(CARD32 lo, CARD32 hi)
 650 {
 651     return (CARD64)hi << 32 | lo;
 652 }
 653
 654 void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
 655                      CARD64 divisor, CARD64 remainder, CARD64 *count)
 656 {
 657     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 658     xDRI2SwapBuffersReq *req;
 659     xDRI2SwapBuffersReply rep;
 660
 661     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 662     LockDisplay(dpy);
 663
 664     LOG("SWAP drawable:0x%x\n", (unsigned int)drawable);
 665
 666     GetReq(DRI2SwapBuffers, req);
 667     req->reqType = info->codes->major_opcode;
 668     req->dri2ReqType = X_DRI2SwapBuffers;
 669     req->drawable = drawable;
 670     load_swap_req(req, target_msc, divisor, remainder);
 671
 672     _XReply(dpy, (xReply *)&rep, 0, xFalse);
 673
 674     *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
 675
 676 #if GFXLOG
 677     GFX_PERF("DRAW_E");
 678 #endif
 679
 680     UnlockDisplay(dpy);
 681     SyncHandle();
 682 }
 683 #endif
 684
 685 #ifdef X_DRI2GetMSC
 686 Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
 687                 CARD64 *sbc)
 688 {
 689     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 690     xDRI2GetMSCReq *req;
 691     xDRI2MSCReply rep;
 692
 693     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 694
 695     LockDisplay(dpy);
 696     GetReq(DRI2GetMSC, req);
 697     req->reqType = info->codes->major_opcode;
 698     req->dri2ReqType = X_DRI2GetMSC;
 699     req->drawable = drawable;
 700
 701     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 702         UnlockDisplay(dpy);
 703         SyncHandle();
 704         return False;
 705     }
 706
 707     *ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
 708     *msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
 709     *sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
 710
 711     UnlockDisplay(dpy);
 712     SyncHandle();
 713
 714     return True;
 715 }
 716 #endif
 717
 718 #ifdef X_DRI2WaitMSC
 719 static void
 720 load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
 721              CARD64 remainder)
 722 {
 723     req->target_msc_hi = target >> 32;
 724     req->target_msc_lo = target & 0xffffffff;
 725     req->divisor_hi = divisor >> 32;
 726     req->divisor_lo = divisor & 0xffffffff;
 727     req->remainder_hi = remainder >> 32;
 728     req->remainder_lo = remainder & 0xffffffff;
 729 }
 730
 731 Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
 732                  CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
 733 {
 734     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 735     xDRI2WaitMSCReq *req;
 736     xDRI2MSCReply rep;
 737
 738     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 739
 740     LockDisplay(dpy);
 741     GetReq(DRI2WaitMSC, req);
 742     req->reqType = info->codes->major_opcode;
 743     req->dri2ReqType = X_DRI2WaitMSC;
 744     req->drawable = drawable;
 745     load_msc_req(req, target_msc, divisor, remainder);
 746
 747     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 748         UnlockDisplay(dpy);
 749         SyncHandle();
 750         return False;
 751     }
 752
 753     *ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo;
 754     *msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo;
 755     *sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo;
 756
 757     UnlockDisplay(dpy);
 758     SyncHandle();
 759
 760     return True;
 761 }
 762 #endif
 763
 764 #ifdef X_DRI2WaitSBC
 765 static void
 766 load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
 767 {
 768     req->target_sbc_hi = target >> 32;
 769     req->target_sbc_lo = target & 0xffffffff;
 770 }
 771
 772 Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
 773                  CARD64 *msc, CARD64 *sbc)
 774 {
 775     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 776     xDRI2WaitSBCReq *req;
 777     xDRI2MSCReply rep;
 778
 779     XextCheckExtension (dpy, info, dri2ExtensionName, False);
 780
 781     LockDisplay(dpy);
 782     GetReq(DRI2WaitSBC, req);
 783     req->reqType = info->codes->major_opcode;
 784     req->dri2ReqType = X_DRI2WaitSBC;
 785     req->drawable = drawable;
 786     load_sbc_req(req, target_sbc);
 787
 788     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 789         UnlockDisplay(dpy);
 790         SyncHandle();
 791         return False;
 792     }
 793
 794     *ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo;
 795     *msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo;
 796     *sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo;
 797
 798     UnlockDisplay(dpy);
 799     SyncHandle();
 800
 801     return True;
 802 }
 803 #endif
 804
 805 #ifdef X_DRI2SwapInterval
 806 void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
 807 {
 808     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 809     xDRI2SwapIntervalReq *req;
 810
 811     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 812
 813     LockDisplay(dpy);
 814     GetReq(DRI2SwapInterval, req);
 815     req->reqType = info->codes->major_opcode;
 816     req->dri2ReqType = X_DRI2SwapInterval;
 817     req->drawable = drawable;
 818     req->interval = interval;
 819     UnlockDisplay(dpy);
 820     SyncHandle();
 821 }
 822 #endif
 823
 824 #ifdef X_DRI2SwapBuffersWithRegion
 825 void DRI2SwapBuffersWithRegion(Display *dpy, XID drawable, XserverRegion region,
 826                 CARD64 *count)
 827 {
 828     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
 829     xDRI2SwapBuffersWithRegionReq *req;
 830     xDRI2SwapBuffersReply rep;
 831
 832     XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
 833     LockDisplay(dpy);
 834
 835     LOG("SWAP drawable:0x%x\n", (unsigned int)drawable);
 836
 837     GetReq(DRI2SwapBuffersWithRegion, req);
 838     req->reqType = info->codes->major_opcode;
 839     req->dri2ReqType = X_DRI2SwapBuffersWithRegion;
 840     req->drawable = drawable;
 841     req->region = region;
 842
 843     _XReply(dpy, (xReply *)&rep, 0, xFalse);
 844
 845     *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
 846
 847 #if GFXLOG
 848     GFX_PERF("DRAW_E");
 849 #endif
 850
 851     UnlockDisplay(dpy);
 852     SyncHandle();
 853 }
 854 #endif