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 "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  33
  34 Display *gdi_display;  /* display to use for all GDI functions */
  35
  36 static int palette_size;
  37
  38 static Pixmap stock_bitmap_pixmap;  /* phys bitmap for the default stock bitmap */
  39
  40 static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
  41
  42 static const struct gdi_dc_funcs x11drv_funcs;
  43 static const struct gdi_dc_funcs *xrender_funcs;
  44
  45 /**********************************************************************
  46  *           device_init
  47  *
  48  * Perform initializations needed upon creation of the first device.
  49  */
  50 static BOOL WINAPI device_init( INIT_ONCE *once, void *param, void **context )
  51 {
  52     /* Initialize XRender */
  53     xrender_funcs = X11DRV_XRender_Init();
  54
  55     /* Init Xcursor */
  56     X11DRV_Xcursor_Init();
  57
  58     palette_size = X11DRV_PALETTE_Init();
  59
  60     stock_bitmap_pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
  61
  62     return TRUE;
  63 }
  64
  65
  66 static X11DRV_PDEVICE *create_x11_physdev( Drawable drawable )
  67 {
  68     X11DRV_PDEVICE *physDev;
  69
  70     InitOnceExecuteOnce( &init_once, device_init, NULL, NULL );
  71
  72     if (!(physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) ))) return NULL;
  73
  74     physDev->drawable = drawable;
  75     physDev->gc = XCreateGC( gdi_display, drawable, 0, NULL );
  76     XSetGraphicsExposures( gdi_display, physDev->gc, False );
  77     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
  78     XFlush( gdi_display );
  79     return physDev;
  80 }
  81
  82 /**********************************************************************
  83  *           X11DRV_CreateDC
  84  */
  85 static BOOL X11DRV_CreateDC( PHYSDEV *pdev, LPCWSTR driver, LPCWSTR device,
  86                              LPCWSTR output, const DEVMODEW* initData )
  87 {
  88     X11DRV_PDEVICE *physDev = create_x11_physdev( root_window );
  89
  90     if (!physDev) return FALSE;
  91
  92     physDev->depth         = default_visual.depth;
  93     physDev->color_shifts  = &X11DRV_PALETTE_default_shifts;
  94     physDev->dc_rect       = get_virtual_screen_rect();
  95     OffsetRect( &physDev->dc_rect, -physDev->dc_rect.left, -physDev->dc_rect.top );
  96     push_dc_driver( pdev, &physDev->dev, &x11drv_funcs );
  97     if (xrender_funcs && !xrender_funcs->pCreateDC( pdev, driver, device, output, initData )) return FALSE;
  98     return TRUE;
  99 }
 100
 101
 102 /**********************************************************************
 103  *           X11DRV_CreateCompatibleDC
 104  */
 105 static BOOL X11DRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 106 {
 107     X11DRV_PDEVICE *physDev = create_x11_physdev( stock_bitmap_pixmap );
 108
 109     if (!physDev) return FALSE;
 110
 111     physDev->depth  = 1;
 112     SetRect( &physDev->dc_rect, 0, 0, 1, 1 );
 113     push_dc_driver( pdev, &physDev->dev, &x11drv_funcs );
 114     if (orig) return TRUE;  /* we already went through Xrender if we have an orig device */
 115     if (xrender_funcs && !xrender_funcs->pCreateCompatibleDC( NULL, pdev )) return FALSE;
 116     return TRUE;
 117 }
 118
 119
 120 /**********************************************************************
 121  *           X11DRV_DeleteDC
 122  */
 123 static BOOL X11DRV_DeleteDC( PHYSDEV dev )
 124 {
 125     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
 126
 127     XFreeGC( gdi_display, physDev->gc );
 128     HeapFree( GetProcessHeap(), 0, physDev );
 129     return TRUE;
 130 }
 131
 132
 133 void add_device_bounds( X11DRV_PDEVICE *dev, const RECT *rect )
 134 {
 135     RECT rc;
 136
 137     if (!dev->bounds) return;
 138     if (dev->region && GetRgnBox( dev->region, &rc ))
 139     {
 140         if (IntersectRect( &rc, &rc, rect )) add_bounds_rect( dev->bounds, &rc );
 141     }
 142     else add_bounds_rect( dev->bounds, rect );
 143 }
 144
 145 /***********************************************************************
 146  *           X11DRV_SetBoundsRect
 147  */
 148 static UINT X11DRV_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 149 {
 150     X11DRV_PDEVICE *pdev = get_x11drv_dev( dev );
 151
 152     if (flags & DCB_DISABLE) pdev->bounds = NULL;
 153     else if (flags & DCB_ENABLE) pdev->bounds = rect;
 154     return DCB_RESET;  /* we don't have device-specific bounds */
 155 }
 156
 157
 158 /***********************************************************************
 159  *           GetDeviceCaps    (X11DRV.@)
 160  */
 161 static INT X11DRV_GetDeviceCaps( PHYSDEV dev, INT cap )
 162 {
 163     switch(cap)
 164     {
 165     case BITSPIXEL:
 166         return screen_bpp;
 167     case SIZEPALETTE:
 168         return palette_size;
 169     default:
 170         dev = GET_NEXT_PHYSDEV( dev, pGetDeviceCaps );
 171         return dev->funcs->pGetDeviceCaps( dev, cap );
 172     }
 173 }
 174
 175
 176 /***********************************************************************
 177  *           SelectFont
 178  */
 179 static HFONT X11DRV_SelectFont( PHYSDEV dev, HFONT hfont, UINT *aa_flags )
 180 {
 181     if (default_visual.depth <= 8) *aa_flags = GGO_BITMAP;  /* no anti-aliasing on <= 8bpp */
 182     dev = GET_NEXT_PHYSDEV( dev, pSelectFont );
 183     return dev->funcs->pSelectFont( dev, hfont, aa_flags );
 184 }
 185
 186 /**********************************************************************
 187  *           ExtEscape  (X11DRV.@)
 188  */
 189 static INT X11DRV_ExtEscape( PHYSDEV dev, INT escape, INT in_count, LPCVOID in_data,
 190                       INT out_count, LPVOID out_data )
 191 {
 192     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
 193
 194     switch(escape)
 195     {
 196     case QUERYESCSUPPORT:
 197         if (in_data && in_count >= sizeof(DWORD))
 198         {
 199             switch (*(const INT *)in_data)
 200             {
 201             case X11DRV_ESCAPE:
 202                 return TRUE;
 203             }
 204         }
 205         break;
 206
 207     case X11DRV_ESCAPE:
 208         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 209         {
 210             switch(*(const enum x11drv_escape_codes *)in_data)
 211             {
 212             case X11DRV_SET_DRAWABLE:
 213                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 214                 {
 215                     const struct x11drv_escape_set_drawable *data = in_data;
 216                     physDev->dc_rect = data->dc_rect;
 217                     physDev->drawable = data->drawable;
 218                     XFreeGC( gdi_display, physDev->gc );
 219                     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 220                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 221                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 222                     TRACE( "SET_DRAWABLE hdc %p drawable %lx dc_rect %s\n",
 223                            dev->hdc, physDev->drawable, wine_dbgstr_rect(&physDev->dc_rect) );
 224                     return TRUE;
 225                 }
 226                 break;
 227             case X11DRV_GET_DRAWABLE:
 228                 if (out_count >= sizeof(struct x11drv_escape_get_drawable))
 229                 {
 230                     struct x11drv_escape_get_drawable *data = out_data;
 231                     data->drawable = physDev->drawable;
 232                     return TRUE;
 233                 }
 234                 break;
 235             case X11DRV_FLUSH_GL_DRAWABLE:
 236                 if (in_count >= sizeof(struct x11drv_escape_flush_gl_drawable))
 237                 {
 238                     const struct x11drv_escape_flush_gl_drawable *data = in_data;
 239                     RECT rect = physDev->dc_rect;
 240
 241                     OffsetRect( &rect, -physDev->dc_rect.left, -physDev->dc_rect.top );
 242                     if (data->flush) XFlush( gdi_display );
 243                     XSetFunction( gdi_display, physDev->gc, GXcopy );
 244                     XCopyArea( gdi_display, data->gl_drawable, physDev->drawable, physDev->gc,
 245                                0, 0, rect.right, rect.bottom,
 246                                physDev->dc_rect.left, physDev->dc_rect.top );
 247                     add_device_bounds( physDev, &rect );
 248                     return TRUE;
 249                 }
 250                 break;
 251             case X11DRV_START_EXPOSURES:
 252                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 253                 physDev->exposures = 0;
 254                 return TRUE;
 255             case X11DRV_END_EXPOSURES:
 256                 if (out_count >= sizeof(HRGN))
 257                 {
 258                     HRGN hrgn = 0, tmp = 0;
 259
 260                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 261                     if (physDev->exposures)
 262                     {
 263                         for (;;)
 264                         {
 265                             XEvent event;
 266
 267                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 268                             if (event.type == NoExpose) break;
 269                             if (event.type == GraphicsExpose)
 270                             {
 271                                 RECT rect;
 272
 273                                 rect.left   = event.xgraphicsexpose.x - physDev->dc_rect.left;
 274                                 rect.top    = event.xgraphicsexpose.y - physDev->dc_rect.top;
 275                                 rect.right  = rect.left + event.xgraphicsexpose.width;
 276                                 rect.bottom = rect.top + event.xgraphicsexpose.height;
 277                                 if (GetLayout( dev->hdc ) & LAYOUT_RTL)
 278                                     mirror_rect( &physDev->dc_rect, &rect );
 279
 280                                 TRACE( "got %s count %d\n", wine_dbgstr_rect(&rect),
 281                                        event.xgraphicsexpose.count );
 282
 283                                 if (!tmp) tmp = CreateRectRgnIndirect( &rect );
 284                                 else SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
 285                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 286                                 else
 287                                 {
 288                                     hrgn = tmp;
 289                                     tmp = 0;
 290                                 }
 291                                 if (!event.xgraphicsexpose.count) break;
 292                             }
 293                             else
 294                             {
 295                                 ERR( "got unexpected event %d\n", event.type );
 296                                 break;
 297                             }
 298                         }
 299                         if (tmp) DeleteObject( tmp );
 300                     }
 301                     *(HRGN *)out_data = hrgn;
 302                     return TRUE;
 303                 }
 304                 break;
 305             default:
 306                 break;
 307             }
 308         }
 309         break;
 310     }
 311     return 0;
 312 }
 313
 314 /**********************************************************************
 315  *           X11DRV_wine_get_wgl_driver
 316  */
 317 static struct opengl_funcs * X11DRV_wine_get_wgl_driver( PHYSDEV dev, UINT version )
 318 {
 319     struct opengl_funcs *ret;
 320
 321     if (!(ret = get_glx_driver( version )))
 322     {
 323         dev = GET_NEXT_PHYSDEV( dev, wine_get_wgl_driver );
 324         ret = dev->funcs->wine_get_wgl_driver( dev, version );
 325     }
 326     return ret;
 327 }
 328
 329 /**********************************************************************
 330  *           X11DRV_wine_get_vulkan_driver
 331  */
 332 static const struct vulkan_funcs * X11DRV_wine_get_vulkan_driver( PHYSDEV dev, UINT version )
 333 {
 334     const struct vulkan_funcs *ret;
 335
 336     if (!(ret = get_vulkan_driver( version )))
 337     {
 338         dev = GET_NEXT_PHYSDEV( dev, wine_get_vulkan_driver );
 339         ret = dev->funcs->wine_get_vulkan_driver( dev, version );
 340     }
 341     return ret;
 342 }
 343
 344
 345 static const struct gdi_dc_funcs x11drv_funcs =
 346 {
 347     NULL,                               /* pAbortDoc */
 348     NULL,                               /* pAbortPath */
 349     NULL,                               /* pAlphaBlend */
 350     NULL,                               /* pAngleArc */
 351     X11DRV_Arc,                         /* pArc */
 352     NULL,                               /* pArcTo */
 353     NULL,                               /* pBeginPath */
 354     NULL,                               /* pBlendImage */
 355     X11DRV_Chord,                       /* pChord */
 356     NULL,                               /* pCloseFigure */
 357     X11DRV_CreateCompatibleDC,          /* pCreateCompatibleDC */
 358     X11DRV_CreateDC,                    /* pCreateDC */
 359     X11DRV_DeleteDC,                    /* pDeleteDC */
 360     NULL,                               /* pDeleteObject */
 361     NULL,                               /* pDeviceCapabilities */
 362     X11DRV_Ellipse,                     /* pEllipse */
 363     NULL,                               /* pEndDoc */
 364     NULL,                               /* pEndPage */
 365     NULL,                               /* pEndPath */
 366     NULL,                               /* pEnumFonts */
 367     X11DRV_EnumICMProfiles,             /* pEnumICMProfiles */
 368     NULL,                               /* pExcludeClipRect */
 369     NULL,                               /* pExtDeviceMode */
 370     X11DRV_ExtEscape,                   /* pExtEscape */
 371     X11DRV_ExtFloodFill,                /* pExtFloodFill */
 372     NULL,                               /* pExtSelectClipRgn */
 373     NULL,                               /* pExtTextOut */
 374     X11DRV_FillPath,                    /* pFillPath */
 375     NULL,                               /* pFillRgn */
 376     NULL,                               /* pFlattenPath */
 377     NULL,                               /* pFontIsLinked */
 378     NULL,                               /* pFrameRgn */
 379     NULL,                               /* pGdiComment */
 380     NULL,                               /* pGetBoundsRect */
 381     NULL,                               /* pGetCharABCWidths */
 382     NULL,                               /* pGetCharABCWidthsI */
 383     NULL,                               /* pGetCharWidth */
 384     X11DRV_GetDeviceCaps,               /* pGetDeviceCaps */
 385     X11DRV_GetDeviceGammaRamp,          /* pGetDeviceGammaRamp */
 386     NULL,                               /* pGetFontData */
 387     NULL,                               /* pGetFontRealizationInfo */
 388     NULL,                               /* pGetFontUnicodeRanges */
 389     NULL,                               /* pGetGlyphIndices */
 390     NULL,                               /* pGetGlyphOutline */
 391     X11DRV_GetICMProfile,               /* pGetICMProfile */
 392     X11DRV_GetImage,                    /* pGetImage */
 393     NULL,                               /* pGetKerningPairs */
 394     X11DRV_GetNearestColor,             /* pGetNearestColor */
 395     NULL,                               /* pGetOutlineTextMetrics */
 396     NULL,                               /* pGetPixel */
 397     X11DRV_GetSystemPaletteEntries,     /* pGetSystemPaletteEntries */
 398     NULL,                               /* pGetTextCharsetInfo */
 399     NULL,                               /* pGetTextExtentExPoint */
 400     NULL,                               /* pGetTextExtentExPointI */
 401     NULL,                               /* pGetTextFace */
 402     NULL,                               /* pGetTextMetrics */
 403     X11DRV_GradientFill,                /* pGradientFill */
 404     NULL,                               /* pIntersectClipRect */
 405     NULL,                               /* pInvertRgn */
 406     X11DRV_LineTo,                      /* pLineTo */
 407     NULL,                               /* pModifyWorldTransform */
 408     NULL,                               /* pMoveTo */
 409     NULL,                               /* pOffsetClipRgn */
 410     NULL,                               /* pOffsetViewportOrg */
 411     NULL,                               /* pOffsetWindowOrg */
 412     X11DRV_PaintRgn,                    /* pPaintRgn */
 413     X11DRV_PatBlt,                      /* pPatBlt */
 414     X11DRV_Pie,                         /* pPie */
 415     NULL,                               /* pPolyBezier */
 416     NULL,                               /* pPolyBezierTo */
 417     NULL,                               /* pPolyDraw */
 418     X11DRV_PolyPolygon,                 /* pPolyPolygon */
 419     X11DRV_PolyPolyline,                /* pPolyPolyline */
 420     X11DRV_Polygon,                     /* pPolygon */
 421     NULL,                               /* pPolyline */
 422     NULL,                               /* pPolylineTo */
 423     X11DRV_PutImage,                    /* pPutImage */
 424     X11DRV_RealizeDefaultPalette,       /* pRealizeDefaultPalette */
 425     X11DRV_RealizePalette,              /* pRealizePalette */
 426     X11DRV_Rectangle,                   /* pRectangle */
 427     NULL,                               /* pResetDC */
 428     NULL,                               /* pRestoreDC */
 429     X11DRV_RoundRect,                   /* pRoundRect */
 430     NULL,                               /* pSaveDC */
 431     NULL,                               /* pScaleViewportExt */
 432     NULL,                               /* pScaleWindowExt */
 433     NULL,                               /* pSelectBitmap */
 434     X11DRV_SelectBrush,                 /* pSelectBrush */
 435     NULL,                               /* pSelectClipPath */
 436     X11DRV_SelectFont,                  /* pSelectFont */
 437     NULL,                               /* pSelectPalette */
 438     X11DRV_SelectPen,                   /* pSelectPen */
 439     NULL,                               /* pSetArcDirection */
 440     NULL,                               /* pSetBkColor */
 441     NULL,                               /* pSetBkMode */
 442     X11DRV_SetBoundsRect,               /* pSetBoundsRect */
 443     X11DRV_SetDCBrushColor,             /* pSetDCBrushColor */
 444     X11DRV_SetDCPenColor,               /* pSetDCPenColor */
 445     NULL,                               /* pSetDIBitsToDevice */
 446     X11DRV_SetDeviceClipping,           /* pSetDeviceClipping */
 447     X11DRV_SetDeviceGammaRamp,          /* pSetDeviceGammaRamp */
 448     NULL,                               /* pSetLayout */
 449     NULL,                               /* pSetMapMode */
 450     NULL,                               /* pSetMapperFlags */
 451     X11DRV_SetPixel,                    /* pSetPixel */
 452     NULL,                               /* pSetPolyFillMode */
 453     NULL,                               /* pSetROP2 */
 454     NULL,                               /* pSetRelAbs */
 455     NULL,                               /* pSetStretchBltMode */
 456     NULL,                               /* pSetTextAlign */
 457     NULL,                               /* pSetTextCharacterExtra */
 458     NULL,                               /* pSetTextColor */
 459     NULL,                               /* pSetTextJustification */
 460     NULL,                               /* pSetViewportExt */
 461     NULL,                               /* pSetViewportOrg */
 462     NULL,                               /* pSetWindowExt */
 463     NULL,                               /* pSetWindowOrg */
 464     NULL,                               /* pSetWorldTransform */
 465     NULL,                               /* pStartDoc */
 466     NULL,                               /* pStartPage */
 467     X11DRV_StretchBlt,                  /* pStretchBlt */
 468     NULL,                               /* pStretchDIBits */
 469     X11DRV_StrokeAndFillPath,           /* pStrokeAndFillPath */
 470     X11DRV_StrokePath,                  /* pStrokePath */
 471     X11DRV_UnrealizePalette,            /* pUnrealizePalette */
 472     NULL,                               /* pWidenPath */
 473     X11DRV_wine_get_wgl_driver,         /* wine_get_wgl_driver */
 474     X11DRV_wine_get_vulkan_driver,      /* wine_get_vulkan_driver */
 475     GDI_PRIORITY_GRAPHICS_DRV           /* priority */
 476 };
 477
 478
 479 /******************************************************************************
 480  *      X11DRV_get_gdi_driver
 481  */
 482 const struct gdi_dc_funcs * CDECL X11DRV_get_gdi_driver( unsigned int version )
 483 {
 484     if (version != WINE_GDI_DRIVER_VERSION)
 485     {
 486         ERR( "version mismatch, gdi32 wants %u but winex11 has %u\n", version, WINE_GDI_DRIVER_VERSION );
 487         return NULL;
 488     }
 489     return &x11drv_funcs;
 490 }