win32ss/gdi/eng/bitblt_new.c

   1
   2 #include <win32k.h>
   3 #include "../diblib/DibLib_interface.h"
   4 DBG_DEFAULT_CHANNEL(GdiFont);
   5
   6 #define SURFOBJ_flags(pso) (CONTAINING_RECORD(pso, SURFACE, SurfObj)->flags)
   7
   8 // FIXME this needs to be updated, once we use the new structure
   9 extern XCLIPOBJ gxcoTrivial;
  10 /*
  11 {
  12     {0, {LONG_MIN, LONG_MIN, LONG_MAX, LONG_MAX}, DC_TRIVIAL, FC_RECT, TC_RECTANGLES, 0},
  13     0, 0, 0
  14 };
  15 */
  16
  17 static
  18 void
  19 CalculateCoordinates(
  20     PBLTDATA pbltdata,
  21     PRECTL prclClipped,
  22     PRECTL prclOrg,
  23     PPOINTL pptlSrc,
  24     PPOINTL pptlMask,
  25     PPOINTL pptlPat,
  26     PSIZEL psizlPat)
  27 {
  28     ULONG cx, cy;
  29
  30     /* Calculate width and height of this rect */
  31     pbltdata->ulWidth = prclClipped->right - prclClipped->left;
  32     pbltdata->ulHeight = prclClipped->bottom - prclClipped->top;
  33
  34     /* Calculate the x offset to the origin coordinates */
  35     if (pbltdata->siDst.iFormat == 0)
  36         cx = (prclClipped->right - 1 - prclOrg->left);
  37     else
  38         cx = (prclClipped->left - prclOrg->left);
  39
  40     /* Calculate the y offset to the origin coordinates */
  41     if (pbltdata->dy < 0)
  42         cy = (prclClipped->bottom - 1 - prclOrg->top);
  43     else
  44         cy = (prclClipped->top - prclOrg->top);
  45
  46     /* Calculate the target start point */
  47     pbltdata->siDst.ptOrig.x = prclOrg->left + cx;
  48     pbltdata->siDst.ptOrig.y = prclOrg->top + cy;
  49
  50     /* Calculate start position for target */
  51     pbltdata->siDst.pjBase = pbltdata->siDst.pvScan0;
  52     pbltdata->siDst.pjBase += pbltdata->siDst.ptOrig.y * pbltdata->siDst.lDelta;
  53     pbltdata->siDst.pjBase += pbltdata->siDst.ptOrig.x * pbltdata->siDst.jBpp / 8;
  54
  55     if (pptlSrc)
  56     {
  57         /* Calculate start point and bitpointer for source */
  58         pbltdata->siSrc.ptOrig.x = pptlSrc->x + cx;
  59         pbltdata->siSrc.ptOrig.y = pptlSrc->y + cy;
  60         pbltdata->siSrc.pjBase = pbltdata->siSrc.pvScan0;
  61         pbltdata->siSrc.pjBase += pbltdata->siSrc.ptOrig.y * pbltdata->siSrc.lDelta;
  62         pbltdata->siSrc.pjBase += pbltdata->siSrc.ptOrig.x * pbltdata->siSrc.jBpp / 8;
  63     }
  64
  65     if (pptlMask)
  66     {
  67         /* Calculate start point and bitpointer for mask */
  68         pbltdata->siMsk.ptOrig.x = pptlMask->x + cx;
  69         pbltdata->siMsk.ptOrig.y = pptlMask->y + cy;
  70         pbltdata->siMsk.pjBase = pbltdata->siMsk.pvScan0;
  71         pbltdata->siMsk.pjBase += pbltdata->siMsk.ptOrig.y * pbltdata->siMsk.lDelta;
  72         pbltdata->siMsk.pjBase += pbltdata->siMsk.ptOrig.x * pbltdata->siMsk.jBpp / 8;
  73     }
  74
  75     if (pptlPat)
  76     {
  77         /* Calculate start point and bitpointer for pattern */
  78         pbltdata->siPat.ptOrig.x = (pptlPat->x + cx) % psizlPat->cx;
  79         pbltdata->siPat.ptOrig.y = (pptlPat->y + cy) % psizlPat->cy;
  80         pbltdata->siPat.pjBase = pbltdata->siPat.pvScan0;
  81
  82         /* Check for bottom-up case */
  83         if (pbltdata->dy < 0)
  84         {
  85             pbltdata->siPat.pjBase += (psizlPat->cy - 1) * pbltdata->siPat.lDelta;
  86             pbltdata->siPat.ptOrig.y = psizlPat->cy - 1 - pbltdata->siPat.ptOrig.y;
  87         }
  88
  89         /* Check for right-to-left case */
  90         if (pbltdata->siDst.iFormat == 0)
  91         {
  92             pbltdata->siPat.pjBase += (psizlPat->cx - 1) * pbltdata->siMsk.jBpp / 8;
  93             pbltdata->siPat.ptOrig.x = psizlPat->cx - 1 - pbltdata->siPat.ptOrig.x;
  94         }
  95     }
  96 }
  97
  98 BOOL
  99 APIENTRY
 100 EngBitBlt(
 101     _Inout_ SURFOBJ *psoTrg,
 102     _In_opt_ SURFOBJ *psoSrc,
 103     _In_opt_ SURFOBJ *psoMask,
 104     _In_opt_ CLIPOBJ *pco,
 105     _In_opt_ XLATEOBJ *pxlo,
 106     _In_ RECTL *prclTrg,
 107     _When_(psoSrc, _In_) POINTL *pptlSrc,
 108     _When_(psoMask, _In_) POINTL *pptlMask,
 109     _In_opt_ BRUSHOBJ *pbo,
 110     _When_(pbo, _In_) POINTL *pptlBrush,
 111     _In_ ROP4 rop4)
 112 {
 113     BLTDATA bltdata;
 114     ULONG i, iFunctionIndex, iDirection = CD_ANY;
 115     RECTL rcTrg;
 116     PFN_DIBFUNCTION pfnBitBlt;
 117     BOOL bEnumMore;
 118     RECT_ENUM rcenum;
 119     PSIZEL psizlPat;
 120     SURFOBJ *psoPattern;
 121
 122 //static int count = 0;
 123 //if (++count >= 1230) __debugbreak();
 124
 125     /* Sanity checks */
 126     ASSERT(psoTrg);
 127     ASSERT(psoTrg->iBitmapFormat >= BMF_1BPP);
 128     ASSERT(psoTrg->iBitmapFormat <= BMF_32BPP);
 129     ASSERT(prclTrg);
 130     ASSERT(prclTrg->left >= 0);
 131     ASSERT(prclTrg->top >= 0);
 132     ASSERT(prclTrg->right <= psoTrg->sizlBitmap.cx);
 133     ASSERT(prclTrg->bottom <= psoTrg->sizlBitmap.cy);
 134
 135     rcTrg = *prclTrg;
 136
 137     bltdata.dy = 1;
 138     bltdata.rop4 = rop4;
 139     bltdata.apfnDoRop[0] = gapfnRop[ROP4_BKGND(rop4)];
 140     bltdata.apfnDoRop[1] = gapfnRop[ROP4_FGND(rop4)];
 141     if (!pxlo) pxlo = &gexloTrivial.xlo;
 142     bltdata.pxlo = pxlo;
 143     bltdata.pfnXlate = XLATEOBJ_pfnXlate(pxlo);
 144
 145     /* Check if the ROP uses a source */
 146     if (ROP4_USES_SOURCE(rop4))
 147     {
 148         /* Sanity checks */
 149         ASSERT(psoSrc);
 150         ASSERT(psoSrc->iBitmapFormat >= BMF_1BPP);
 151         ASSERT(psoSrc->iBitmapFormat <= BMF_32BPP);
 152         ASSERT(pptlSrc);
 153         ASSERT(pptlSrc->x >= 0);
 154         ASSERT(pptlSrc->y >= 0);
 155         ASSERT(pptlSrc->x <= psoSrc->sizlBitmap.cx);
 156         ASSERT(pptlSrc->y <= psoSrc->sizlBitmap.cy);
 157
 158         /* Check if source and target are equal */
 159         if (psoSrc == psoTrg)
 160         {
 161             /* Analyze the copying direction */
 162             if (rcTrg.top > pptlSrc->y)
 163             {
 164                 /* Need to copy from bottom to top */
 165                 iDirection = rcTrg.left < pptlSrc->x ? CD_RIGHTUP : CD_LEFTUP;
 166                 bltdata.dy = -1;
 167             }
 168             else
 169                 iDirection = rcTrg.left < pptlSrc->x ? CD_RIGHTDOWN : CD_LEFTDOWN;
 170
 171             /* Check for special right to left case */
 172             if ((rcTrg.top == pptlSrc->y) && (rcTrg.left > pptlSrc->x))
 173             {
 174                 /* Use 0 as target format to get special right to left versions */
 175                 bltdata.siDst.iFormat = 0;
 176                 bltdata.siSrc.iFormat = psoSrc->iBitmapFormat;
 177                 //__debugbreak();
 178             }
 179             else
 180             {
 181                 /* Use 0 as source format to get special equal surface versions */
 182                 bltdata.siDst.iFormat = psoTrg->iBitmapFormat;
 183                 bltdata.siSrc.iFormat = 0;
 184             }
 185         }
 186         else
 187         {
 188             bltdata.siDst.iFormat = psoTrg->iBitmapFormat;
 189             bltdata.siSrc.iFormat = psoSrc->iBitmapFormat;
 190         }
 191
 192         /* Set the source format info */
 193         bltdata.siSrc.pvScan0 = psoSrc->pvScan0;
 194         bltdata.siSrc.lDelta = psoSrc->lDelta;
 195         bltdata.siSrc.cjAdvanceY = bltdata.dy * psoSrc->lDelta;
 196         bltdata.siSrc.jBpp = gajBitsPerFormat[psoSrc->iBitmapFormat];
 197     }
 198     else
 199     {
 200         bltdata.siDst.iFormat = psoTrg->iBitmapFormat;
 201     }
 202
 203     /* Set the destination format info */
 204     bltdata.siDst.pvScan0 = psoTrg->pvScan0;
 205     bltdata.siDst.lDelta = psoTrg->lDelta;
 206     bltdata.siDst.cjAdvanceY = bltdata.dy * psoTrg->lDelta;
 207     bltdata.siDst.jBpp = gajBitsPerFormat[psoTrg->iBitmapFormat];
 208
 209     /* Check if the ROP uses a pattern / brush */
 210     if (ROP4_USES_PATTERN(rop4))
 211     {
 212         /* Must have a brush */
 213         ASSERT(pbo); // FIXME: test this!
 214
 215         /* Copy the solid color */
 216         bltdata.ulSolidColor = pbo->iSolidColor;
 217
 218         /* Check if this is a pattern brush */
 219         if (pbo->iSolidColor == 0xFFFFFFFF)
 220         {
 221             /* Get the realized pattern bitmap */
 222             psoPattern = BRUSHOBJ_psoPattern(pbo);
 223             if (!psoPattern)
 224             {
 225                 __debugbreak();
 226                 return FALSE;
 227             }
 228
 229             /* Set the pattern format info */
 230             bltdata.siPat.iFormat = psoPattern->iBitmapFormat;
 231             bltdata.siPat.pvScan0 = psoPattern->pvScan0;
 232             bltdata.siPat.lDelta = psoPattern->lDelta;
 233             bltdata.siPat.cjAdvanceY = bltdata.dy * psoPattern->lDelta;
 234             bltdata.siPat.jBpp = gajBitsPerFormat[psoPattern->iBitmapFormat];
 235
 236             bltdata.ulPatWidth = psoPattern->sizlBitmap.cx;
 237             bltdata.ulPatHeight = psoPattern->sizlBitmap.cy;
 238
 239             psizlPat = &psoPattern->sizlBitmap;
 240         }
 241         else
 242         {
 243             pptlBrush = NULL;
 244             psizlPat = NULL;
 245         }
 246     }
 247     else
 248     {
 249         pptlBrush = NULL;
 250         psizlPat = NULL;
 251     }
 252
 253     /* Check if the ROP uses a mask */
 254     if (ROP4_USES_MASK(rop4))
 255     {
 256         /* Must have a mask surface and point */
 257         ASSERT(psoMask);
 258         ASSERT(pptlMask);
 259
 260         //__debugbreak();
 261
 262         /* Set the mask format info */
 263         bltdata.siMsk.iFormat = psoMask->iBitmapFormat;
 264         bltdata.siMsk.pvScan0 = psoMask->pvScan0;
 265         bltdata.siMsk.lDelta = psoMask->lDelta;
 266         bltdata.siMsk.cjAdvanceY = bltdata.dy * psoMask->lDelta;
 267         bltdata.siMsk.jBpp = 1;
 268
 269         /* Calculate the masking function index */
 270         iFunctionIndex = ROP4_USES_PATTERN(rop4) ? 1 : 0;
 271         iFunctionIndex |= ROP4_USES_SOURCE(rop4) ? 2 : 0;
 272         iFunctionIndex |= ROP4_USES_DEST(rop4) ? 4 : 0;
 273
 274         /* Get the masking function */
 275         pfnBitBlt = gapfnMaskFunction[iFunctionIndex];
 276     }
 277     else
 278     {
 279         /* Get the function index from the foreground ROP index*/
 280         iFunctionIndex = gajIndexPerRop[ROP4_FGND(rop4)];
 281
 282         /* Get the dib function */
 283         pfnBitBlt = gapfnDibFunction[iFunctionIndex];
 284     }
 285
 286     /* If no clip object is given, use trivial one */
 287     if (!pco) pco = (CLIPOBJ*)&gxcoTrivial;
 288
 289     /* Check if we need to enumerate rects */
 290     if (pco->iDComplexity == DC_COMPLEX)
 291     {
 292         /* Start the enumeration of the clip object */
 293         CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, iDirection, 0);
 294         bEnumMore = CLIPOBJ_bEnum(pco, sizeof(rcenum), (ULONG*)&rcenum);
 295     }
 296     else if (pco->iDComplexity == DC_RECT)
 297     {
 298         /* Use the clip bounds */
 299         rcenum.arcl[0] = pco->rclBounds;
 300         rcenum.c = 1;
 301         bEnumMore = FALSE;
 302     }
 303     else
 304     {
 305         /* Use the target rect */
 306         rcenum.arcl[0] = rcTrg;
 307         rcenum.c = 1;
 308         bEnumMore = FALSE;
 309     }
 310
 311     /* Enter enumeration loop */
 312     while (TRUE)
 313     {
 314         /* Loop all rectangles we got */
 315         for (i = 0; i < rcenum.c; i++)
 316         {
 317             /* Intersect this rect with the target rect */
 318             if (!RECTL_bIntersectRect(&rcenum.arcl[i], &rcenum.arcl[i], &rcTrg))
 319             {
 320                 /* This rect is outside the bounds, continue */
 321                 continue;
 322             }
 323
 324             /* Calculate coordinates and pointers */
 325             CalculateCoordinates(&bltdata,
 326                                  &rcenum.arcl[i],
 327                                  prclTrg,
 328                                  pptlSrc,
 329                                  pptlMask,
 330                                  pptlBrush,
 331                                  psizlPat);
 332
 333             /* Call the dib function */
 334             pfnBitBlt(&bltdata);
 335         }
 336
 337         /* Bail out, when there's nothing more to do */
 338         if(!bEnumMore) break;
 339
 340         /* Enumerate more rectangles */
 341         bEnumMore = CLIPOBJ_bEnum(pco, sizeof(rcenum), (ULONG*)&rcenum);
 342     }
 343
 344     return TRUE;
 345 }
 346
 347
 348 static
 349 VOID
 350 AdjustOffsetAndSize(
 351     _Out_ PPOINTL pptOffset,
 352     _Out_ PSIZEL psizTrg,
 353     _In_ PPOINTL pptlSrc,
 354     _In_ PSIZEL psizSrc)
 355 {
 356     LONG x, y, cxMax, cyMax;
 357
 358     x = pptlSrc->x + pptOffset->x;
 359     if (x < 0) pptOffset->x -= x, x = 0;
 360
 361     cxMax = psizSrc->cx - x;
 362     if (psizTrg->cx > cxMax) psizTrg->cx = cxMax;
 363
 364     y = pptlSrc->y + pptOffset->y;
 365     if (y < 0) pptOffset->y -= y, y = 0;
 366
 367     cyMax = psizSrc->cy - y;
 368     if (psizTrg->cy > cyMax) psizTrg->cy = cyMax;
 369 }
 370
 371 BOOL
 372 APIENTRY
 373 IntEngBitBlt(
 374     _Inout_ SURFOBJ *psoTrg,
 375     _In_opt_ SURFOBJ *psoSrc,
 376     _In_opt_ SURFOBJ *psoMask,
 377     _In_opt_ CLIPOBJ *pco,
 378     _In_opt_ XLATEOBJ *pxlo,
 379     _In_ RECTL *prclTrg,
 380     _When_(psoSrc, _In_) POINTL *pptlSrc,
 381     _When_(psoMask, _In_) POINTL *pptlMask,
 382     _In_opt_ BRUSHOBJ *pbo,
 383     _When_(pbo, _In_) POINTL *pptlBrush,
 384     _In_ ROP4 rop4)
 385 {
 386     BOOL bResult;
 387     RECTL rcClipped;
 388     POINTL ptOffset, ptSrc, ptMask, ptBrush;
 389     SIZEL sizTrg;
 390     PFN_DrvBitBlt pfnBitBlt;
 391
 392 //__debugbreak();
 393
 394     /* Sanity checks */
 395     ASSERT(IS_VALID_ROP4(rop4));
 396     ASSERT(psoTrg);
 397     ASSERT(psoTrg->iBitmapFormat >= BMF_1BPP);
 398     ASSERT(psoTrg->iBitmapFormat <= BMF_32BPP);
 399     ASSERT(prclTrg);
 400
 401     /* Clip the target rect to the extents of the target surface */
 402     rcClipped.left = max(prclTrg->left, 0);
 403     rcClipped.top = max(prclTrg->top, 0);
 404     rcClipped.right = min(prclTrg->right, psoTrg->sizlBitmap.cx);
 405     rcClipped.bottom = min(prclTrg->bottom, psoTrg->sizlBitmap.cy);
 406
 407     /* If no clip object is given, use trivial one */
 408     if (!pco) pco = (CLIPOBJ*)&gxcoTrivial;
 409
 410     /* Check if there is something to clip */
 411     if (pco->iDComplexity != DC_TRIVIAL)
 412     {
 413         /* Clip the target rect to the bounds of the clipping region */
 414         if (!RECTL_bIntersectRect(&rcClipped, &rcClipped, &pco->rclBounds))
 415         {
 416             /* Nothing left */
 417             return TRUE;
 418         }
 419     }
 420
 421     /* Don't pass a clip object with a single rectangle */
 422     if (pco->iDComplexity == DC_RECT) pco = (CLIPOBJ*)&gxcoTrivial;
 423
 424     /* Calculate initial offset and size */
 425     ptOffset.x = rcClipped.left - prclTrg->left;
 426     ptOffset.y = rcClipped.top - prclTrg->top;
 427     sizTrg.cx = rcClipped.right - rcClipped.left;
 428     sizTrg.cy = rcClipped.bottom - rcClipped.top;
 429
 430     /* Check if the ROP uses a source */
 431     if (ROP4_USES_SOURCE(rop4))
 432     {
 433         /* Must have a source surface and point */
 434         ASSERT(psoSrc);
 435         ASSERT(pptlSrc);
 436
 437         /* Get the source point */
 438         ptSrc = *pptlSrc;
 439
 440         /* Clip against the extents of the source surface */
 441         AdjustOffsetAndSize(&ptOffset, &sizTrg, &ptSrc, &psoSrc->sizlBitmap);
 442     }
 443     else
 444     {
 445         psoSrc = NULL;
 446         ptSrc.x = 0;
 447         ptSrc.y = 0;
 448     }
 449
 450     /* Check if the ROP uses a mask */
 451     if (ROP4_USES_MASK(rop4))
 452     {
 453         /* Must have a mask surface and point */
 454         ASSERT(psoMask);
 455         ASSERT(pptlMask);
 456
 457         /* Get the mask point */
 458         ptMask = *pptlMask;
 459
 460         /* Clip against the extents of the mask surface */
 461         AdjustOffsetAndSize(&ptOffset, &sizTrg, &ptMask, &psoMask->sizlBitmap);
 462     }
 463     else
 464     {
 465         psoMask = NULL;
 466         ptMask.x = 0;
 467         ptMask.y = 0;
 468     }
 469
 470     /* Check if all has been clipped away */
 471     if ((sizTrg.cx <= 0) || (sizTrg.cy <= 0))
 472         return TRUE;
 473
 474     /* Adjust the points */
 475     ptSrc.x += ptOffset.x;
 476     ptSrc.y += ptOffset.y;
 477     ptMask.x += ptOffset.x;
 478     ptMask.y += ptOffset.y;
 479
 480     /* Check if we have a brush origin */
 481     if (pptlBrush)
 482     {
 483         /* calculate the new brush origin */
 484         ptBrush.x = pptlBrush->x + ptOffset.x;
 485         ptBrush.y = pptlBrush->y + ptOffset.y;
 486     }
 487
 488     /* Recalculate the target rect */
 489     rcClipped.left = prclTrg->left + ptOffset.x;
 490     rcClipped.top = prclTrg->top + ptOffset.y;
 491     rcClipped.right = rcClipped.left + sizTrg.cx;
 492     rcClipped.bottom = rcClipped.top + sizTrg.cy;
 493
 494     /* Is the target surface device managed? */
 495     if (SURFOBJ_flags(psoTrg) & HOOK_BITBLT)
 496     {
 497         /* Is the source a different device managed surface? */
 498         if (psoSrc && (psoSrc->hdev != psoTrg->hdev) &&
 499             (SURFOBJ_flags(psoSrc) & HOOK_BITBLT))
 500         {
 501             ERR("Need to copy to standard bitmap format!\n");
 502             ASSERT(FALSE);
 503         }
 504
 505         pfnBitBlt = GDIDEVFUNCS(psoTrg).BitBlt;
 506     }
 507     /* Otherwise is the source surface device managed? */
 508     else if (psoSrc && (SURFOBJ_flags(psoSrc) & HOOK_BITBLT))
 509     {
 510         pfnBitBlt = GDIDEVFUNCS(psoSrc).BitBlt;
 511     }
 512     else
 513     {
 514         pfnBitBlt = EngBitBlt;
 515     }
 516
 517     bResult = pfnBitBlt(psoTrg,
 518                         psoSrc,
 519                         psoMask,
 520                         pco,
 521                         pxlo,
 522                         &rcClipped,
 523                         psoSrc ? &ptSrc : NULL,
 524                         psoMask ? &ptMask : NULL,
 525                         pbo,
 526                         pptlBrush ? &ptBrush : NULL,
 527                         rop4);
 528
 529     // FIXME: cleanup temp surface!
 530
 531     return bResult;
 532 }
 533
 534 BOOL
 535 APIENTRY
 536 NtGdiEngBitBlt(
 537     IN SURFOBJ *psoTrgUMPD,
 538     IN SURFOBJ *psoSrcUMPD,
 539     IN SURFOBJ *psoMaskUMPD,
 540     IN CLIPOBJ *pcoUMPD,
 541     IN XLATEOBJ *pxloUMPD,
 542     IN RECTL *prclTrg,
 543     IN POINTL *pptlSrc,
 544     IN POINTL *pptlMask,
 545     IN BRUSHOBJ *pboUMPD,
 546     IN POINTL *pptlBrush,
 547     IN ROP4 rop4)
 548 {
 549     RECTL  rclTrg;
 550     POINTL ptlSrc, ptlMask, ptlBrush;
 551     HSURF hsurfTrg, hsurfSrc = NULL, hsurfMask = NULL;
 552     HANDLE hBrushObj; // HUMPDOBJ
 553     SURFOBJ *psoTrg, *psoSrc, *psoMask;
 554     CLIPOBJ *pco;
 555     XLATEOBJ *pxlo;
 556     BRUSHOBJ *pbo;
 557     BOOL bResult;
 558
 559     _SEH2_TRY
 560     {
 561         ProbeForRead(prclTrg, sizeof(RECTL), 1);
 562         rclTrg = *prclTrg;
 563
 564         ProbeForRead(psoTrgUMPD, sizeof(SURFOBJ), 1);
 565         hsurfTrg = psoTrgUMPD->hsurf;
 566
 567         if (ROP4_USES_SOURCE(rop4))
 568         {
 569             ProbeForRead(pptlSrc, sizeof(POINTL), 1);
 570             ptlSrc = *pptlSrc;
 571
 572             ProbeForRead(psoSrcUMPD, sizeof(SURFOBJ), 1);
 573             hsurfSrc = psoSrcUMPD->hsurf;
 574         }
 575
 576         if (ROP4_USES_MASK(rop4))
 577         {
 578             ProbeForRead(pptlMask, sizeof(POINTL), 1);
 579             ptlMask = *pptlMask;
 580
 581             ProbeForRead(psoMaskUMPD, sizeof(SURFOBJ), 1);
 582             hsurfMask = psoMaskUMPD->hsurf;
 583         }
 584
 585         if (ROP4_USES_PATTERN(rop4))
 586         {
 587             ProbeForRead(pptlBrush, sizeof(POINTL), 1);
 588             ptlBrush = *pptlBrush;
 589
 590             ProbeForRead(psoSrcUMPD, sizeof(SURFOBJ), 1);
 591             hBrushObj = pboUMPD->pvRbrush; // FIXME
 592         }
 593     }
 594     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
 595     {
 596         _SEH2_YIELD(return FALSE);
 597     }
 598     _SEH2_END;
 599
 600     // FIXME: these need to be converted/locked!
 601     psoTrg = NULL;
 602     psoSrc = NULL;
 603     psoMask = NULL;
 604     pco = NULL;
 605     pxlo = NULL;
 606     pbo = NULL;
 607
 608     bResult = EngBitBlt(psoTrg,
 609                         psoSrc,
 610                         psoMask,
 611                         pco,
 612                         pxlo,
 613                         &rclTrg,
 614                         pptlSrc ? &ptlSrc : NULL,
 615                         pptlMask ? &ptlMask : NULL,
 616                         pbo,
 617                         pptlBrush ? &ptlBrush : NULL,
 618                         rop4);
 619
 620     return bResult;
 621 }
 622
 623 BOOL
 624 APIENTRY
 625 EngCopyBits(
 626     SURFOBJ *psoTrg,
 627     SURFOBJ *psoSrc,
 628     CLIPOBJ *pco,
 629     XLATEOBJ *pxlo,
 630     RECTL *prclTrg,
 631     POINTL *pptlSrc)
 632 {
 633     PFN_DrvCopyBits pfnCopyBits;
 634
 635     /* Is the target surface device managed? */
 636     if (SURFOBJ_flags(psoTrg) & HOOK_COPYBITS)
 637     {
 638         pfnCopyBits = GDIDEVFUNCS(psoTrg).CopyBits;
 639     }
 640     if (SURFOBJ_flags(psoSrc) & HOOK_COPYBITS)
 641     {
 642         pfnCopyBits = GDIDEVFUNCS(psoSrc).CopyBits;
 643     }
 644     else
 645     {
 646         /* Use SRCCOPY for 2 bitmaps */
 647         return EngBitBlt(psoTrg,
 648                          psoSrc,
 649                          NULL,
 650                          pco,
 651                          pxlo,
 652                          prclTrg,
 653                          pptlSrc,
 654                          NULL,
 655                          NULL,
 656                          NULL,
 657                          ROP4_SRCCOPY);
 658     }
 659
 660     /* Forward to the driver */
 661     return pfnCopyBits(psoTrg, psoSrc, pco, pxlo, prclTrg, pptlSrc);
 662 }
 663
 664 BOOL
 665 APIENTRY
 666 IntEngCopyBits(
 667     SURFOBJ *psoTrg,
 668     SURFOBJ *psoSrc,
 669     CLIPOBJ *pco,
 670     XLATEOBJ *pxlo,
 671     RECTL *prclTrg,
 672     POINTL *pptlSrc)
 673 {
 674     return EngCopyBits(psoTrg, psoSrc, pco, pxlo, prclTrg, pptlSrc);
 675 }