git.oblomov.eu Git - wine/blob - dlls/winex11.drv/init.c

   1 /*
   2  * X11 graphics driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "x11drv.h"
  30 #include "ddrawi.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  34
  35 Display *gdi_display;  /* display to use for all GDI functions */
  36
  37 /* a few dynamic device caps */
  38 static int log_pixels_x;  /* pixels per logical inch in x direction */
  39 static int log_pixels_y;  /* pixels per logical inch in y direction */
  40 static int horz_size;     /* horz. size of screen in millimeters */
  41 static int vert_size;     /* vert. size of screen in millimeters */
  42 static int palette_size;
  43 static int device_init_done;
  44
  45 static Pixmap stock_bitmap_pixmap;  /* phys bitmap for the default stock bitmap */
  46
  47 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  48 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  49
  50 static const struct gdi_dc_funcs x11drv_funcs;
  51 static const struct gdi_dc_funcs *xrender_funcs;
  52
  53 /******************************************************************************
  54  *      get_dpi
  55  *
  56  * get the dpi from the registry
  57  */
  58 static DWORD get_dpi( void )
  59 {
  60     DWORD dpi = 96;
  61     HKEY hkey;
  62
  63     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  64     {
  65         DWORD type, size, new_dpi;
  66
  67         size = sizeof(new_dpi);
  68         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  69         {
  70             if(type == REG_DWORD && new_dpi != 0)
  71                 dpi = new_dpi;
  72         }
  73         RegCloseKey(hkey);
  74     }
  75     return dpi;
  76 }
  77
  78 /**********************************************************************
  79  *           device_init
  80  *
  81  * Perform initializations needed upon creation of the first device.
  82  */
  83 static void device_init(void)
  84 {
  85     device_init_done = TRUE;
  86
  87     /* Initialize XRender */
  88     xrender_funcs = X11DRV_XRender_Init();
  89
  90     /* Init Xcursor */
  91     X11DRV_Xcursor_Init();
  92
  93     palette_size = X11DRV_PALETTE_Init();
  94
  95     stock_bitmap_pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
  96
  97     /* Initialize device caps */
  98     log_pixels_x = log_pixels_y = get_dpi();
  99     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
 100     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
 101 }
 102
 103
 104 static X11DRV_PDEVICE *create_x11_physdev( Drawable drawable )
 105 {
 106     X11DRV_PDEVICE *physDev;
 107
 108     if (!device_init_done) device_init();
 109
 110     if (!(physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) ))) return NULL;
 111
 112     physDev->drawable = drawable;
 113     physDev->gc = XCreateGC( gdi_display, drawable, 0, NULL );
 114     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 115     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 116     XFlush( gdi_display );
 117     return physDev;
 118 }
 119
 120 /**********************************************************************
 121  *           X11DRV_CreateDC
 122  */
 123 static BOOL X11DRV_CreateDC( PHYSDEV *pdev, LPCWSTR driver, LPCWSTR device,
 124                              LPCWSTR output, const DEVMODEW* initData )
 125 {
 126     const struct gdi_dc_funcs *glx_funcs = get_glx_driver();
 127     X11DRV_PDEVICE *physDev = create_x11_physdev( root_window );
 128
 129     if (!physDev) return FALSE;
 130
 131     physDev->depth         = screen_depth;
 132     physDev->color_shifts  = &X11DRV_PALETTE_default_shifts;
 133     SetRect( &physDev->dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
 134              virtual_screen_rect.bottom - virtual_screen_rect.top );
 135     push_dc_driver( pdev, &physDev->dev, &x11drv_funcs );
 136     if (xrender_funcs && !xrender_funcs->pCreateDC( pdev, driver, device, output, initData )) return FALSE;
 137     if (glx_funcs && !glx_funcs->pCreateDC( pdev, driver, device, output, initData )) return FALSE;
 138     return TRUE;
 139 }
 140
 141
 142 /**********************************************************************
 143  *           X11DRV_CreateCompatibleDC
 144  */
 145 static BOOL X11DRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 146 {
 147     const struct gdi_dc_funcs *glx_funcs = get_glx_driver();
 148     X11DRV_PDEVICE *physDev = create_x11_physdev( stock_bitmap_pixmap );
 149
 150     if (!physDev) return FALSE;
 151
 152     physDev->depth  = 1;
 153     SetRect( &physDev->dc_rect, 0, 0, 1, 1 );
 154     push_dc_driver( pdev, &physDev->dev, &x11drv_funcs );
 155     if (orig) return TRUE;  /* we already went through Xrender if we have an orig device */
 156     if (xrender_funcs && !xrender_funcs->pCreateCompatibleDC( NULL, pdev )) return FALSE;
 157     if (glx_funcs && !glx_funcs->pCreateCompatibleDC( NULL, pdev )) return FALSE;
 158     return TRUE;
 159 }
 160
 161
 162 /**********************************************************************
 163  *           X11DRV_DeleteDC
 164  */
 165 static BOOL X11DRV_DeleteDC( PHYSDEV dev )
 166 {
 167     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
 168
 169     XFreeGC( gdi_display, physDev->gc );
 170     HeapFree( GetProcessHeap(), 0, physDev );
 171     return TRUE;
 172 }
 173
 174
 175 void add_device_bounds( X11DRV_PDEVICE *dev, const RECT *rect )
 176 {
 177     RECT rc;
 178
 179     if (!dev->bounds) return;
 180     if (dev->region && GetRgnBox( dev->region, &rc ))
 181     {
 182         if (IntersectRect( &rc, &rc, rect )) add_bounds_rect( dev->bounds, &rc );
 183     }
 184     else add_bounds_rect( dev->bounds, rect );
 185 }
 186
 187 /***********************************************************************
 188  *           X11DRV_SetBoundsRect
 189  */
 190 static UINT X11DRV_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 191 {
 192     X11DRV_PDEVICE *pdev = get_x11drv_dev( dev );
 193
 194     if (flags & DCB_DISABLE) pdev->bounds = NULL;
 195     else if (flags & DCB_ENABLE) pdev->bounds = rect;
 196     return DCB_RESET;  /* we don't have device-specific bounds */
 197 }
 198
 199
 200 /***********************************************************************
 201  *           GetDeviceCaps    (X11DRV.@)
 202  */
 203 static INT X11DRV_GetDeviceCaps( PHYSDEV dev, INT cap )
 204 {
 205     switch(cap)
 206     {
 207     case DRIVERVERSION:
 208         return 0x300;
 209     case TECHNOLOGY:
 210         return DT_RASDISPLAY;
 211     case HORZSIZE:
 212         return horz_size;
 213     case VERTSIZE:
 214         return vert_size;
 215     case HORZRES:
 216         return screen_width;
 217     case VERTRES:
 218         return screen_height;
 219     case DESKTOPHORZRES:
 220         return virtual_screen_rect.right - virtual_screen_rect.left;
 221     case DESKTOPVERTRES:
 222         return virtual_screen_rect.bottom - virtual_screen_rect.top;
 223     case BITSPIXEL:
 224         return screen_bpp;
 225     case PLANES:
 226         return 1;
 227     case NUMBRUSHES:
 228         return -1;
 229     case NUMPENS:
 230         return -1;
 231     case NUMMARKERS:
 232         return 0;
 233     case NUMFONTS:
 234         return 0;
 235     case NUMCOLORS:
 236         /* MSDN: Number of entries in the device's color table, if the device has
 237          * a color depth of no more than 8 bits per pixel.For devices with greater
 238          * color depths, -1 is returned. */
 239         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 240     case PDEVICESIZE:
 241         return sizeof(X11DRV_PDEVICE);
 242     case CURVECAPS:
 243         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 244                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 245     case LINECAPS:
 246         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 247                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 248     case POLYGONALCAPS:
 249         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 250                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 251     case TEXTCAPS:
 252         return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 253                 TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 254                 TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 255     case CLIPCAPS:
 256         return CP_REGION;
 257     case COLORRES:
 258         /* The observed correspondence between BITSPIXEL and COLORRES is:
 259          * BITSPIXEL: 8  -> COLORRES: 18
 260          * BITSPIXEL: 16 -> COLORRES: 16
 261          * BITSPIXEL: 24 -> COLORRES: 24
 262          * BITSPIXEL: 32 -> COLORRES: 24 */
 263         return (screen_bpp <= 8) ? 18 : min( 24, screen_bpp );
 264     case RASTERCAPS:
 265         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 266                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 267                 (palette_size ? RC_PALETTE : 0));
 268     case SHADEBLENDCAPS:
 269         return (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
 270     case ASPECTX:
 271     case ASPECTY:
 272         return 36;
 273     case ASPECTXY:
 274         return 51;
 275     case LOGPIXELSX:
 276         return log_pixels_x;
 277     case LOGPIXELSY:
 278         return log_pixels_y;
 279     case CAPS1:
 280         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", dev->hdc );
 281         /* please see wingdi.h for the possible bit-flag values that need
 282            to be returned. */
 283         return 0;
 284     case SIZEPALETTE:
 285         return palette_size;
 286     case NUMRESERVED:
 287     case PHYSICALWIDTH:
 288     case PHYSICALHEIGHT:
 289     case PHYSICALOFFSETX:
 290     case PHYSICALOFFSETY:
 291     case SCALINGFACTORX:
 292     case SCALINGFACTORY:
 293     case VREFRESH:
 294     case BLTALIGNMENT:
 295         return 0;
 296     default:
 297         FIXME("(%p): unsupported capability %d, will return 0\n", dev->hdc, cap );
 298         return 0;
 299     }
 300 }
 301
 302
 303 /**********************************************************************
 304  *           ExtEscape  (X11DRV.@)
 305  */
 306 static INT X11DRV_ExtEscape( PHYSDEV dev, INT escape, INT in_count, LPCVOID in_data,
 307                       INT out_count, LPVOID out_data )
 308 {
 309     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
 310
 311     switch(escape)
 312     {
 313     case QUERYESCSUPPORT:
 314         if (in_data)
 315         {
 316             switch (*(const INT *)in_data)
 317             {
 318             case DCICOMMAND:
 319                 return DD_HAL_VERSION;
 320             case X11DRV_ESCAPE:
 321                 return TRUE;
 322             }
 323         }
 324         break;
 325
 326     case X11DRV_ESCAPE:
 327         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 328         {
 329             switch(*(const enum x11drv_escape_codes *)in_data)
 330             {
 331             case X11DRV_SET_DRAWABLE:
 332                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 333                 {
 334                     const struct x11drv_escape_set_drawable *data = in_data;
 335                     physDev->dc_rect = data->dc_rect;
 336                     physDev->drawable = data->drawable;
 337                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 338                     TRACE( "SET_DRAWABLE hdc %p drawable %lx dc_rect %s\n",
 339                            dev->hdc, physDev->drawable, wine_dbgstr_rect(&physDev->dc_rect) );
 340                     return TRUE;
 341                 }
 342                 break;
 343             case X11DRV_GET_DRAWABLE:
 344                 if (out_count >= sizeof(struct x11drv_escape_get_drawable))
 345                 {
 346                     struct x11drv_escape_get_drawable *data = out_data;
 347                     data->drawable = physDev->drawable;
 348                     return TRUE;
 349                 }
 350                 break;
 351             case X11DRV_START_EXPOSURES:
 352                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 353                 physDev->exposures = 0;
 354                 return TRUE;
 355             case X11DRV_END_EXPOSURES:
 356                 if (out_count >= sizeof(HRGN))
 357                 {
 358                     HRGN hrgn = 0, tmp = 0;
 359
 360                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 361                     if (physDev->exposures)
 362                     {
 363                         for (;;)
 364                         {
 365                             XEvent event;
 366
 367                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 368                             if (event.type == NoExpose) break;
 369                             if (event.type == GraphicsExpose)
 370                             {
 371                                 RECT rect;
 372
 373                                 rect.left   = event.xgraphicsexpose.x - physDev->dc_rect.left;
 374                                 rect.top    = event.xgraphicsexpose.y - physDev->dc_rect.top;
 375                                 rect.right  = rect.left + event.xgraphicsexpose.width;
 376                                 rect.bottom = rect.top + event.xgraphicsexpose.height;
 377                                 if (GetLayout( dev->hdc ) & LAYOUT_RTL)
 378                                     mirror_rect( &physDev->dc_rect, &rect );
 379
 380                                 TRACE( "got %s count %d\n", wine_dbgstr_rect(&rect),
 381                                        event.xgraphicsexpose.count );
 382
 383                                 if (!tmp) tmp = CreateRectRgnIndirect( &rect );
 384                                 else SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
 385                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 386                                 else
 387                                 {
 388                                     hrgn = tmp;
 389                                     tmp = 0;
 390                                 }
 391                                 if (!event.xgraphicsexpose.count) break;
 392                             }
 393                             else
 394                             {
 395                                 ERR( "got unexpected event %d\n", event.type );
 396                                 break;
 397                             }
 398                         }
 399                         if (tmp) DeleteObject( tmp );
 400                     }
 401                     *(HRGN *)out_data = hrgn;
 402                     return TRUE;
 403                 }
 404                 break;
 405             default:
 406                 break;
 407             }
 408         }
 409         break;
 410     }
 411     return 0;
 412 }
 413
 414
 415 static const struct gdi_dc_funcs x11drv_funcs =
 416 {
 417     NULL,                               /* pAbortDoc */
 418     NULL,                               /* pAbortPath */
 419     NULL,                               /* pAlphaBlend */
 420     NULL,                               /* pAngleArc */
 421     X11DRV_Arc,                         /* pArc */
 422     NULL,                               /* pArcTo */
 423     NULL,                               /* pBeginPath */
 424     NULL,                               /* pBlendImage */
 425     X11DRV_Chord,                       /* pChord */
 426     NULL,                               /* pCloseFigure */
 427     X11DRV_CreateCompatibleDC,          /* pCreateCompatibleDC */
 428     X11DRV_CreateDC,                    /* pCreateDC */
 429     X11DRV_DeleteDC,                    /* pDeleteDC */
 430     NULL,                               /* pDeleteObject */
 431     NULL,                               /* pDeviceCapabilities */
 432     X11DRV_Ellipse,                     /* pEllipse */
 433     NULL,                               /* pEndDoc */
 434     NULL,                               /* pEndPage */
 435     NULL,                               /* pEndPath */
 436     NULL,                               /* pEnumFonts */
 437     X11DRV_EnumICMProfiles,             /* pEnumICMProfiles */
 438     NULL,                               /* pExcludeClipRect */
 439     NULL,                               /* pExtDeviceMode */
 440     X11DRV_ExtEscape,                   /* pExtEscape */
 441     X11DRV_ExtFloodFill,                /* pExtFloodFill */
 442     NULL,                               /* pExtSelectClipRgn */
 443     NULL,                               /* pExtTextOut */
 444     NULL,                               /* pFillPath */
 445     NULL,                               /* pFillRgn */
 446     NULL,                               /* pFlattenPath */
 447     NULL,                               /* pFontIsLinked */
 448     NULL,                               /* pFrameRgn */
 449     NULL,                               /* pGdiComment */
 450     NULL,                               /* pGdiRealizationInfo */
 451     NULL,                               /* pGetBoundsRect */
 452     NULL,                               /* pGetCharABCWidths */
 453     NULL,                               /* pGetCharABCWidthsI */
 454     NULL,                               /* pGetCharWidth */
 455     X11DRV_GetDeviceCaps,               /* pGetDeviceCaps */
 456     X11DRV_GetDeviceGammaRamp,          /* pGetDeviceGammaRamp */
 457     NULL,                               /* pGetFontData */
 458     NULL,                               /* pGetFontUnicodeRanges */
 459     NULL,                               /* pGetGlyphIndices */
 460     NULL,                               /* pGetGlyphOutline */
 461     X11DRV_GetICMProfile,               /* pGetICMProfile */
 462     X11DRV_GetImage,                    /* pGetImage */
 463     NULL,                               /* pGetKerningPairs */
 464     X11DRV_GetNearestColor,             /* pGetNearestColor */
 465     NULL,                               /* pGetOutlineTextMetrics */
 466     NULL,                               /* pGetPixel */
 467     X11DRV_GetSystemPaletteEntries,     /* pGetSystemPaletteEntries */
 468     NULL,                               /* pGetTextCharsetInfo */
 469     NULL,                               /* pGetTextExtentExPoint */
 470     NULL,                               /* pGetTextExtentExPointI */
 471     NULL,                               /* pGetTextFace */
 472     NULL,                               /* pGetTextMetrics */
 473     X11DRV_GradientFill,                /* pGradientFill */
 474     NULL,                               /* pIntersectClipRect */
 475     NULL,                               /* pInvertRgn */
 476     X11DRV_LineTo,                      /* pLineTo */
 477     NULL,                               /* pModifyWorldTransform */
 478     NULL,                               /* pMoveTo */
 479     NULL,                               /* pOffsetClipRgn */
 480     NULL,                               /* pOffsetViewportOrg */
 481     NULL,                               /* pOffsetWindowOrg */
 482     X11DRV_PaintRgn,                    /* pPaintRgn */
 483     X11DRV_PatBlt,                      /* pPatBlt */
 484     X11DRV_Pie,                         /* pPie */
 485     NULL,                               /* pPolyBezier */
 486     NULL,                               /* pPolyBezierTo */
 487     NULL,                               /* pPolyDraw */
 488     X11DRV_PolyPolygon,                 /* pPolyPolygon */
 489     X11DRV_PolyPolyline,                /* pPolyPolyline */
 490     X11DRV_Polygon,                     /* pPolygon */
 491     NULL,                               /* pPolyline */
 492     NULL,                               /* pPolylineTo */
 493     X11DRV_PutImage,                    /* pPutImage */
 494     X11DRV_RealizeDefaultPalette,       /* pRealizeDefaultPalette */
 495     X11DRV_RealizePalette,              /* pRealizePalette */
 496     X11DRV_Rectangle,                   /* pRectangle */
 497     NULL,                               /* pResetDC */
 498     NULL,                               /* pRestoreDC */
 499     X11DRV_RoundRect,                   /* pRoundRect */
 500     NULL,                               /* pSaveDC */
 501     NULL,                               /* pScaleViewportExt */
 502     NULL,                               /* pScaleWindowExt */
 503     NULL,                               /* pSelectBitmap */
 504     X11DRV_SelectBrush,                 /* pSelectBrush */
 505     NULL,                               /* pSelectClipPath */
 506     NULL,                               /* pSelectFont */
 507     NULL,                               /* pSelectPalette */
 508     X11DRV_SelectPen,                   /* pSelectPen */
 509     NULL,                               /* pSetArcDirection */
 510     NULL,                               /* pSetBkColor */
 511     NULL,                               /* pSetBkMode */
 512     X11DRV_SetBoundsRect,               /* pSetBoundsRect */
 513     X11DRV_SetDCBrushColor,             /* pSetDCBrushColor */
 514     X11DRV_SetDCPenColor,               /* pSetDCPenColor */
 515     NULL,                               /* pSetDIBitsToDevice */
 516     X11DRV_SetDeviceClipping,           /* pSetDeviceClipping */
 517     X11DRV_SetDeviceGammaRamp,          /* pSetDeviceGammaRamp */
 518     NULL,                               /* pSetLayout */
 519     NULL,                               /* pSetMapMode */
 520     NULL,                               /* pSetMapperFlags */
 521     X11DRV_SetPixel,                    /* pSetPixel */
 522     NULL,                               /* pSetPolyFillMode */
 523     NULL,                               /* pSetROP2 */
 524     NULL,                               /* pSetRelAbs */
 525     NULL,                               /* pSetStretchBltMode */
 526     NULL,                               /* pSetTextAlign */
 527     NULL,                               /* pSetTextCharacterExtra */
 528     NULL,                               /* pSetTextColor */
 529     NULL,                               /* pSetTextJustification */
 530     NULL,                               /* pSetViewportExt */
 531     NULL,                               /* pSetViewportOrg */
 532     NULL,                               /* pSetWindowExt */
 533     NULL,                               /* pSetWindowOrg */
 534     NULL,                               /* pSetWorldTransform */
 535     NULL,                               /* pStartDoc */
 536     NULL,                               /* pStartPage */
 537     X11DRV_StretchBlt,                  /* pStretchBlt */
 538     NULL,                               /* pStretchDIBits */
 539     NULL,                               /* pStrokeAndFillPath */
 540     NULL,                               /* pStrokePath */
 541     X11DRV_UnrealizePalette,            /* pUnrealizePalette */
 542     NULL,                               /* pWidenPath */
 543     NULL,                               /* wine_get_wgl_driver */
 544     GDI_PRIORITY_GRAPHICS_DRV           /* priority */
 545 };
 546
 547
 548 /******************************************************************************
 549  *      X11DRV_get_gdi_driver
 550  */
 551 const struct gdi_dc_funcs * CDECL X11DRV_get_gdi_driver( unsigned int version )
 552 {
 553     if (version != WINE_GDI_DRIVER_VERSION)
 554     {
 555         ERR( "version mismatch, gdi32 wants %u but winex11 has %u\n", version, WINE_GDI_DRIVER_VERSION );
 556         return NULL;
 557     }
 558     return &x11drv_funcs;
 559 }